The InfoSec Blog

Why Silicon Valley Will Continue to Rule

Posted by Anton Aylward

The historical, cultural and economic context described here sums up why
efforts to replicate 'the valley' in other countries, other places,
according to governmental whims, never happens, never works, never will.

People around the world have tried to reproduce Silicon Valley. No one
has succeeded.

And no one will succeed because no place else — including Silicon Valley
itself in its 2015 incarnation — could ever reproduce the unique
concoction of academic research, technology, countercultural ideals and
a California-specific type of Gold Rush reputation that attracts people
with a high tolerance for risk and very little to lose. Partially
through the passage of time, partially through deliberate effort by some
entrepreneurs who tried to “give back” and others who tried to make a
buck, this culture has become self-perpetuating.

See also



Tracking kids via microchip ‘can’t be far off,’ says expert

Posted by Anton Aylward

Dickerson said she though one day, "I microchip my dog, why couldn't I
microchip my son?"

I think there's something despicable about treating a human being the same way you would treat a dog or your keys.

Its one thing to chip your keys or have one of those devices that when you whistle the keyring goes bleep-bleep to help you find it. I can imagine extending that to people who let their dogs (or cats) roam and need/want to have them in at night. Domesticated pets might not be able to cope with even urban predators such as badgers and grizzly raccoons.
If, that is, the animals aren't smart though to come in when you call them.

But treating a human as you would a dog?

What's that? "Kidnapping"?
So this is getting reduced to an issue of Risk management is it?
What's the risk of kidnapping?

The reality is that the press is not interested in the humdrum of life so it plays up the spectacular and we come to believe that this is the norm even though its not.

And if your child is a clear target for kidnapping because you're a celebrity, then there are much better controls to make sure the kidnapping doesn't happen in the first place.

However to my mind there is one thing that none of this has considered.
Oh, wait, more than one thing.

The child become an adult, then what? Are we going to have a society where every adult is chipped? When chipped adults are the norm? How is this different, once we have GPS satellite tracking of such people, from the unresolvable tracking band certain accused felons have to wear as part of their bail conditions? Will not being chipped become a privilege for the elite?

So, as an adult you can remove the chip your parents implanted. Lets suppose that become a legal right on achieving majority. What's to say that the hypothetical kidnappers of the earlier part of the child's like won't have access to chip scanning/detection & removal technology?

Heck, come to that what's to say that the kidnappers won't have access to somewhere underground, a basement with good RF-impermeable stone and concrete or perhaps a cave system, where GPS cannot reach?

No, this idea is just too flawed. It simply has not been thought through.

Can We Secure the ‘Internet of Other People’s Things’?

Posted by Anton Aylward

I think that title expresses the problem very well.

There are a few generalizations and 'skating on thin ice' in the article, never the less. Linux itself is not a lightweight OS, though there are stripped down and altered versions, such as Android. Other competing RTOS exist. Some like QNX are much more suited to small embedded devices that don't have a GPU/GUI and comprehensive set of commands/applications.

The reality is that the inherent model of Linux is NOT real-time, it cannot guarantee a real time response that many embedded systems such as TVs and some classes of network devices demand, especially in a small controller, limited CPU, limited memory configuration.

But yes, the Internet has already shown the problems lie with "Other People".


Cyber general: US satellite networks hit by ‘millions’

Posted by antonaylward

I wonder what they consider to be a hack? The wording in the in the article is loose enough to mean that if someone pinged one of their servers it would be considered a hack. Perhaps they even they count Google spider indexing as a probe into their network. It makes me wonder how many 'real' hack attempts are made and how many succeed. All in it, it sounds like a funding bid!

Marcus Ranum once commented about firewall logging that an umbrella that notified you about every raindrop it repulsed would soon get annoying.I suspect the same thing is going on here. Are these 'repulsed' probes really 'need to know'? Are they worth the rotating rust it takes to store that they happened?

Oh, right, Big Data.

Oh, right, "precursor probes".

Can we live without this?

No doubt there are people who have a vested interest here:

  • vendors of storage for the Big Data side of all this
  • vendors of the logging and analyzing software
  • political hacks and special interest groups who make a living out of crying "ain't it awful" about such things and demanding "something must be done NOW", pretty much regardless of the side effects, such as we saw with the Security Theatre that followed on from the "must be done now" that resulted form 9/11.
  • the media and subject-ignorant journalists, especially TV journalists after a superficial, meaningless but catchy sound-bite.
  • people who say that this is out of control ...
    • because the government hasn't a clue and should get out of this business and leave it to 'the professionals', aka Big Business
    • and we need more government controls and regulations to stop this being taken over by a commercial lemming-tide.

Who have I left out?
Oh right, CISSPs.


U.S. Defense Secretary Carter emphasizes culture change needed to

Posted by Anton Aylward

Yes the government needs a culture change if it is to address its own and the national issues pertaining to security, technological, in general, internet related and more. But not like this.

A real culture change would involve hiring the likes of people such as Marcus Ranum, Gene Spafford, Becky Herrold., and more significantly the very vocal Bruce Schneier AND PAYING ATTENTION TO WHAT THEY SAY AND CARRYING OUT THEIR RECOMMENDATIONS.  And please note: none of this is new or radical.

But a read of Bruce's articles blog and published articles will make it clear to any intelligent reader, even those outside the InfoSec community, that they won't. The culture change it would require would impact too many vested interests and long held beliefs, even though Bruce -- and others -- have long since shown them to be in the same class as The Emperor's New Clothes.

When the government talks of cyber-security experts it really doesn't want people who think in terms of policy and strategy. The fact that most government agencies could do better if they carried out the recommendations that have been made to them -- but consistently don't[1] -- tells you something about their innate culture. Just adopting the GAO recommendations would take a culture change. Adopting 'uber 133z h4x0r'-wannabes for job roles that are written as what amounts to jumped-up netadmin and sysadmin positions doesn't make for good security[2].

Yes, a culture change is needed. But the kind of changes that the 'insiders' -- and that goes for the media too -- envision don't really amount to a meaningful change.


[2] The idiom "rearrange the deckchairs on the Titanic" comes to mind
Or perhaps the Hindenburg.


Review: “Penetration with Perl” by Douglas Berdeaux

Posted by Anton Aylward

Penetration Testing with Perl

Douglas Berdeaux has written an excellent book, excellent from quite a number of points of view, some of which I will address. Packt Publishing have done a great service making this and other available at their web site. It is one of many technical books there that have extensive source code and are good 'instructors'.

Penetration Testing with Perl is available as both a PDF file and as an e-book in Mobi and epub formats.

It is one of over 2000 instructional books and videos available at the Packt web site.

I read a lot on my tablet but most of the ebooks I read are "linear text" (think: 'novels', 'news'). A book like this is heavily annotated by differentiating fonts and type and layout. How well your ebook reader renders that might vary. None of the ones I used were as satisfactory as the PDF. For all its failings, if you want a page that looks "just so" whatever it is read on, then PDF still wins out. For many, this won't matter since the source code can be downloaded in a separate ZIP file.

Of course you may be like me and prefer to learn by entering the code by hand so as to develop the learned physical habit which you can then carry forward. You may also prefer to have a hard copy version of the book rather than use a 'split screen' mode.

This is not a book about learning to code in Perl, or earning about the basics of TCP/IP. Berdeaux himself says in the introduction:

This book is written for people who are already familiar with
basic Perl programming and who have the desire to advance this
knowledge by applying it to information security and penetration
testing. With each chapter, I encourage you to branch off into
tangents, expanding upon the lessons and modifying the code to
pursue your own creative ideas.

I found this to be an excellent 'source book' for ideas and worked though many variations of the example code. This book is a beginning, not a end point.

That was Then, This is Now

Pen testing has come a long way since those outspoken pioneers of InfoSec, Marcus Ranum and Bruce Schneier, naysayed it back in 2007 and 2008. See here, and here, and here, and especially here.

Basing a criticism on a 'penetrate and patch' view of pen-testing is, of course rather biased. So is basing it on the idea that these are tools for malicious hackers. That has long since not been the case. Today, penetration testing is a technique approved by the financial community as part of the PCI:DSS certification.

In one sense its not 'penetrate and patch' so much as a classical Red-team. Blue team codes; red team debugs by breaking the code. A quite acceptable approach to software development. Manufacturers crash car to prove their safety. Most materials are 'stress-tested' to ensure they won't break during normal and even exceptional use. Pen-testing to prove correctness and compliance and resilience is perfectly valid.

Who This Book is For

Douglas Berdeaux has chosen to take the reader into the dirty byte-level depths of cracking WPA2, packet sniffing and disassembly, ARP spoofing (the right way), and performing other advanced tasks, such as blind and time-based SQL injection. Parts of the book are Perl code that mimicked the functionality of other information security programs, so one can see how it all fits together. Although Perl was originally about scanning text and building reports, this is something quite different, dramatically different, and shows what Perl is really capable of.

It wasn't until several years prior to writing this book that
I truly began to understand the harmonious nature of Perl,
Linux, and information security. Perl is designed for string
manipulation, which excels in an operating system that treats
everything as a file. Rather than writing Perl scripts to parse
the output from other programs, I was now writing independent
code that mimicked the functionality of other information
security programs. At this stage, I had a newfound appreciation
for the power of Perl, which opened the door for endless
opportunities, including this book.

I myself adopted Perl in 1989 with version 3 and built a complete ISP management, tracking and reporting/billing system. I found that it had all the expressive power of C but handled many matters such as string manipulation and patter matching much more gracefully. And then there was the CPAN repository! Perhaps I should fault Berdeaux for not emphasising CPAN more, but to be fair, CPAN deserves a book of its own and is a living, growing subject.

This is certainly a 'how-to' book and Berdeaux makes it quite explicit that the examples and exercises are for the real world. He suggests a test-bench with a 802.11 Wi-Fi router that is capable of WPA2 encryption, two workstations (which can be virtual if networked properly) that will act as an attacker and a victim, a smartphone device, an 802.11 Wi-Fi adapter that is supported by the Linux OS driver for packet injection, network shared storage, and a connection to the Internet.

All that being said, the book is an excellent example of how to design, write and document open source code. So much open source code is just presented and difficult to understand or support. The author has not documented his design decisions, not documented what the various code sections are trying to do and how that way of doing it rather than another was chosen. In the literary world we often have early manuscript that show revisions, author's notes and such like. All too often with code we only see the end result. Berdeaux unfolds all this and the result is very readable. This is the kind of book that could be used on a course on either Perl or Pen-testing because it is practical and will engage the student's interest.

What's Inside

Chapter 1 takes you though the basics of Perl and ends up discussing CPAN And showing you how to download LWP::UserAgent, which plays a key role in the code examples that follow. Readers already familiar with Perl can page though this quickly.

Chapter 2 deals with shell programming under Linux using BASH. Again the basics are covered and those with shell experience can move on quickly.

The only parts of importance to those with experience is some setup of the environment for what follows.

Chapters 3 and 4 deal with the wired environment before going on to the wireless environment in chapter 5.

Chapter 3 is basically about replicating the functionality of NMAP using Perl. While this seems trivial it introduces many concepts and tools that will be used later. Using them in this context makes them more visible and understandable than simply blindly using them later with no explanation, and also shows how Perl can be used for network functions.

Along the way we meet many other network tools available under Linux:  ettercap and wireshark/tshark, smbtree, hping3, arp. Of course it helps if you know the basics of how the TCP handshake works and of course the Ethernet, IP, and TCP layers.

Chapter 4 addresses packet capture and filtering with Perl. Those who have a thorough knowledge of the TCP protocol suite and tools such as wireshark can move quickly though this as much of the first part of this chapter is how to take packets apart using Perl. We then move on to the application layer and so into how to set up a "Man in the Middle" (MitM) attack. Berdeaux emphasises the importance of information gathering and uses the example MAC/IP address determined earlier to illustrate a hijacking with ARP spoofing.

In Chapter 5 we move on to Wifi networking with 802.11 and how to disassemble 802.11 frames. A more detailed knowledge how 802.11 is managed is the basic knowledge requirement here, though Berdeaux does cover what is needed for his examples. Once again a variety of Linux networking tools, this time the wifi tools, are used alongside or within the Perl code.

Having laid these foundations Chapter 6 moves on to applying these skills in the first state of a penetration test, the gathering of information, in this case Open Source information (OSINT) such as email addresses and DNS information.  This covers not only obviously googling but also searching social media sites such as Google+, LinkedIn, Facebook and others. This section shows the power of Perl's regular expression mechanism to filter out the desired information from what might be a 'fire-hose' of results. As humans we look at only the first few results of a google query, probably not noticing that there are many thousands of hits. A Perl based scanner can dive deeper.

Chapter 7 goes into detail about the powerful hack SQL Injection, making the point that SQL injection is one of the longest-running vulnerabilities in IT, only bettered by Buffer Over-run. It is a demonstration that some web technologies, including languages, are inherently fragile and simple mistake can have dramatic consequences.

Chapter 8 looks at other web based vulnerabilities and how to exploit them, such as cross site scripting (XSS), file inclusion and others. Berdeaux makes these all very clear and simple and shows how Perl really is an easy to use tool, a hackers "Swiss Army Knife".

Chapter 9 deals with password cracking. While Perl isn't as fast as lower level languages for brute force cracking, Berdeaux makes the very valid point that there are better ways, making use of precomputed tables and of leaked information, the Internet equivalent of the yellow stickie under the mousepad. Once again google comes into play. In one sense this book is as much about using google as it is about Perl!

It is in the section on WPA - wifi - cracking that Berdeaux makes Perl shine. He begins with a clear explanation of the protocol and then carefully explains the code and how it works. He makes it look very simple and straight forward, an excellent piece of writing about something that can be very confusing.

"Metadata", addressed in Chapter 10 has been in the news recently due to revelations about national security agencies collecting communication information.  "Metadata" refers to the contextual information rather than the actual content, the who, where, what. The metadata of a photograph can reveal where and when it was taken, how it was edited. How this information can be exploited is going to depend on the context. One might imagine law enforcement using metadata to trace child pornographers.

Files other than photographs also contain metadata. Examples include many of the types of documents stored on web sites and that can be found by searching with google and specifying the filetype. One of the most common of these is PDF, and Berdeaux uses this as an example too.

In a general sense, metadata is an interesting form of information 'leakage' simply because it is not visible. An "out of sight means out of mind" phenomena, added to that fact that many people are simple ignorant of its existence.

Chapter 11 deals with Social Engineering, and as Berdeaux says, that's about psychology:

Human psychology and the human nature of will, sympathy, empathy,
and the most commonly exploited nature of curiosity are all weaknesses
that a successful social engineer can use to elicit private information.
Some institutions and most large-scale client targets for penetration
testing are slowly becoming aware of this type of attack and are employing
practices to mitigate these attacks. However, just as we can sharpen our
weapons to clear through defense, we can also sharpen our social engineering
skills by investing our efforts in the initial OSINT, profiling and gathering
information, which we have already done throughout the course of this book.

This kind of penetration method relies on bait messages. It is effective because it so often works when all else fails. Ultimately it relies on human frailty and trust. Berdeaux makes it clear that a great deal of our trust is in the integrity of the programs we use. He uses the example of a rogue version of SSH written in Perl to make this point

Chapter 12 deals with the most important part of any penetration test operation:  the reporting of the results. A quality report ensures a satisfied client. As Berdeaux says:

The process of planning the reports begins the minute we begin testing and
ends the minute we stop.

He goes on to add

Logging successful steps is not only crucial for the logistics of the target
client, but can also lead to further exploitation after close analysis.

Perl is admirable suited to generating and tabulating reports, it was part of its original design concept. Along the way, Perl has seen the development of many code modules and has been the core of the engine behind many web sites.

That has led to facilities for things such as graphing, which are used in the examples here.

The final report might be presented as a PDF or as a web page (HTML). Perl can handle both and both are illustrated. These techniques, obviously, have a wider application.

Finally in Chapter 13 we learn how to write GUIs in Perl with the "Tk" extensions. Along the way we have to learn the Object Oriented syntax of Perl.

If I had been structuring this book I would have introduced the OO-Perl much earlier and make use of the GUI capabilities much earlier. At the very least, the techniques of OO-Perl and call-backs that this chapter introduces are more generally applicable.

GUIs can be wonderful things, or they can be limiting things. It is up to the GUI designer. The point of this chapter is that you can be the GUI designer and have an interface that meets your needs.

Title Penetration Testing with Perl
Author Douglas Berdeaux
Publisher Packt Publishing (
Address Livery Place, 35 Livery Street, Birmingham B3 2PB, UK
ISBN-13 978-1-78328-345-3
Date 2014
Price $26.99 ebook, $44.99 print+ebook
Pages 332

pen_test_logo  This review has now been published at Pentest Magazine

Should all applicable controls be mentioned in documenting an ISMS?

Posted by Anton Aylward

In my very first job we were told, repeatedly told, to document everything and keep our personal journals up to date. Not just with what we did but the reasoning behind those decisions. This was so that if anything happened to use kn knowledge about the work, the project, what had been tried and thought about was lost, if, perhaps, we were 'hit by a bus on the way to work'.

At that point whoever was saying this looked toward a certain office or certain place in the parking lot. One of the Project managers drove a VW bus and was most definitely not a good driver!

So the phrase 'document everything in case you're hit by a bus' entered into the work culture, even after that individual had left.

And for the rest of us it entered into our person culture and practices.

Oh, and the WHY is very important. How often have you looked at something that seems strange and worried about changing it in case there was some special reason for it being like that which you did no know of?
Unless things get documented .... Heck a well meaning 'kid' might 'clean it out' ignorant of the special reason it was like that!

So here we have what appear to be undocumented controls.
Perhaps they are just controls that were added and someone forgot to mention; perhaps the paperwork for these 'exceptions' is filed somewhere else[1] or is referred to by the easily overlooked footnote or mentioned in the missing appendix.

It has been pointed out to me that having to document everything, including the reasons for taking one decision rather than another, "slows down work". Well that's been said of security, too, hasn't it? I've had this requirement referred to in various unsavoury terms and had those terms associated with me personally for insisting on them. I've had people 'caught out', doing one thing and saying another.
But I've also had the documentation saving mistakes and rework.

These days with electronic tools, smartphones, tablets, networking, and things like wikis as shared searchable resources, its a lot easier.[2]

Sadly I still find places where key documents such as the Policy Manuals and more are really still "3-ring binder" state of the art, PDF files in some obscure[1] location that don't have any mechanism for commenting or feedback or ways they can be updated.

Up to date and accurate documentation is always a good practice!

[2] And what surpises me is that when I've implemented those I get a 'deer in the headlight' reaction from staff an managers much younger than myself. Don't believe what you read about 'millennials' being better able to deal with e-tools than us Greybeards.

This is not the IoT you want.

Posted by Anton Aylward

If I plug in an IDE drive or a SATA drive or a USB drive or device my mobo or system recognizes what it is. The connection protocol tell the mobo or system.

My digital camera uses exif to convey a vast amount of contextual information and imprint it on each photo: date, time, the camera, shutter, aperture, flash. I have GPS in the camera so it can tell the location, elevation. The exif protocol also allows for vendor specific information and is extensible and customizable.

Unless and until we have an 'exif' for IoT its going to be lame and useless.

What is plugged in to that socket? A fan, a PC, a refrigerator, a charger for your cell phone? What's the rating of the device? How is it used? What functions other than on/off can be controlled?

Lame lame lame lame.

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14 antivirus apps found to have security problems

Posted by Anton Aylward

Let us pass over the "All A are B" illogic in this and consider what we've known all along. AV doesn't really work; it never did.
Signature based AV, the whole "I'm better than you cos I have more signatures in my database" approach to AV and AV marketing that so bedazzled the journalists ("Metrics? You want metrics? We can give you metrics! How many you want? One million? Two million!) is a loosing game. Skip over polymorphism and others.  The boundary between what actually works and what works for marketing blurs.

So then we have the attacks on the 'human firewall' or whatever the buzz-word is that appears in this month's geek-Vogue magazines, whatever the latest fashion is. What's that? Oh right, the malware writers are migrating to Android the industry commentators say. Well they've tried convincing us that Linux and MacOS were under attack and vulnerable, despite the evidence. Perhaps those same vendor driven - yes vendors try convincing Linux and Apple users to buy AV products, just because Linux and MacOS ran on the same chip as Microsoft they were just as vulnerable as Microsoft, and gave up dunning the journalists and advertising when they found that the supposed market wasn't convinced and didn't buy.

That large software production is buggy surprises no-one. There are methods to producing high quality code as NASA has shown on its deep space projects, but they are incompatible with the attitudes that commercial software vendors have. They require an discipline that seems absent from the attitudes of many younger coders, the kind that so many commercial firms hire on the basis of cost and who are drive by 'lines of code per day' metrics, feature driven popularity and the 'first to market' imperatives.

So when I read about, for example, RSA getting hacked by means of social engineering, I'm not surprised. Neither am I surprised when I hear that so many point of sales terminals are, if not already infected, then vulnerable.

But then all too many organization take a 'risk-based' approach that just is not right. The resistance that US firms have had to implementing chi-n-pin credit card technology while the rest of the world had adopted it is an example in point. "It was too expensive" - until it was more expensive not to have implemented it.


OpenBSD forks, prunes, fixes OpenSSL

Posted by Anton Aylward

Interesting, eh?

At the very least, this will apply a 'many eyes' to some of the SSL code and so long as the ssh pruning isn't wholesale slash-and-burn that cutting it back may prove efficacious for two reasons.

Less code can be simpler code, with decreased likelihood of there being a bug due to complexity and interaction.

Getting rid of the special cases such as VMS and Windows also reduces the complexity.

POSIX I'm not sure about; in many ways POSIX has become a dinosaur. Quite a number of Linux authors have observed that if you stop being anal about POSIX you can gt code that works and a simple #ifdef can take care of portability. In the 90% case there isn't a lot of divergence between the flavours and in the 99% case the #ifdef can take care of that.

Whether SSH fits into the 90% or the 99% I don't know. The APIs for 'random' and 'crypto' are in the grey areas where implementations differ but also one where POSIX seems to be the most anal and 'lowest common denominator'. I suspect that this is one where the #ifdef route will allow more effective implementations.

We shall see what emerges, but on the whole the BSD team have a reputation for good security practices so I'm hopeful about the quality.

I'd be interested to see their testing approach.


Film or digital?

Posted by Anton Aylward

Do you recall Alan Cooper's book "The Inmates are running the Asylum"?

He makes the case that once you put a computer in something it stops being that something and becomes a computer.

Camera + computer => computer

What Applicants Should Ask When Interviewing For An InfoSecurity Position

Posted by Anton Aylward

Well what would you ask?

These seem to be the kind of questions that might be asked by someone with a strong technical bias. The CISSP cert is supposed to be more oriented towards security management than to the technical aspects, so what would you ask?

We should, I think, be asking about "The Tone At The Top", the organizations attitude towards security and, but what does that mean in terms of interview questions?

My thoughts tend towards Policy and Certification, but them many of my past clients have been financial, so regulatory compliance looms large for them. I'd certainly ask about Policy, how it is formulated, how it is communicated and how it is enforced. That's not as easy as it sounds: most people know what should be done but ask that tactlessly and other than being an opening ("Yes, I can work on that for you") all you've done is embarrassed the interviewer.

So we have a refinement that the article never touched on: this is an interview not an audit.


Data on a Train

Posted by Anton Aylward

The latest intelligence on Al-Qaeda, a high profile Child Protection
report and plans for policing the London 2012 Olympics; three very
different documents with two things in common: firstly, they all
contained highly confidential information and secondly, they were all
left on a train.

Or maybe "Strangers on a Train"

Our latest research reveals that two thirds of Europe’s office commuters
have no qualms about peering across to see what the person sitting next
to them is working on; and more than one in ten (14 per cent) has
spotted confidential or highly sensitive information.

Most CEOs clueless about cyberattacks

Posted by Anton Aylward
Perhaps that's cynical and pessimistic and a headline grabber, but then that's what makes news.

What I’m afraid of is that things like this set a low threshold of expectation, that people will thing they don't need to be better than the herd.



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Former Head Of Airport Security: ‘The TSA Couldn’t Save You From

Posted by Anton Aylward

Based on the demonstrated persistence of their enemies, I have a lot of respect for what Israeli security achieves.
Back to Verb vs Noun.

His point about baggage claim is interesting. It strikes me that this is the kind of location serious terrorists, that is the ones who worked
in Europe through the last century, might attack: not just dramatic, but shows how ineffectual airport security really is. And what will the TSA do about such an attack? Inconvenience passengers further.

Full article at

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Canada’s counter terrorism strategy

Posted by Anton Aylward

Here in Kanukistaniland, Vic Toews (remember him? Check back to February of last year to see an example of him being idiotic in his role as Minister of Pubic Safety) has published a "2013 Public Report on the Terrorist Threat to Canada"

You can read it at the above URL.
I ask you, would you buy a used Huawei router from someone who looks like that?

The map/infographic has, you will note, a large number of grey areas. There is no legend referring to that colour. Are we to take it that grey means 'zero'? In which case having Indonesia grey is very interesting. Of course China is grey, the authorities will not permit any terrorist activity since that would mean people are acting out grievances against the state. As opposed to, say, foreign cartels that are employing under-age workers, which is against Chinese law.

Do note that in Canada terrorist activity or affiliation is an offence under the CRIMINAL code. Unlike many InfoSec-bad-things.


Linux Archive file systems – ext3 vs reiser vs … ?

Posted by Anton Aylward

So what's the best file system to use for archiving and data storage rather than the normal usage?

Won't that depend on ...

a) the nature of the archive files

If this is simply to be a 'mirror' of the regular file system, a 1:1
file mapping then there is no need for some specific optimizations as there would be if, for example, each snapshot were to be a single large file, a TAR or CPIO image say. You then have to look at what you are archiving: small files, large files .... Archiving mail a mbox is going to be different from archiving as maildir. For example the later is going to consume a LOT of inodes and that affects how one would format a ext2, est3 r ext4 file system but not be relevant on a ReiserFS or BtrFS.

b) the demand for retrieval from the archive

This is actually a can of worms. You might not think so at first but I've seen businesses put out of service because their 'backup' indexing was inadequate when the time came to retrieve a specific archive file of a specific date, as oppose to restore the whole backup. You need to be driven by your business methods here and that in turn will determine your indexing and retrieval which will determine your storage format.

Its business drive, not technology driven. Why else would you be archiving?

Now while (b) is pretty much an 'absolute', (a) can end up being flexible. You HAVE to have a clear way of retrieval otherwise your
archive is just a 'junk room' into which your file system overflows.
That (a) can be flexible also means that the optimization curve is not clearly peaked. Why else would you be asking this question? What's the worst situation if you choose ReiserFS rather than extN? The size of the file system? The number of inodes?

But if your indexing broken or inadequate you've got a business problem.


On ‘paranoia’ – revisiting “Paid to be paraoid”

Posted by Anton Aylward

My fellow CISSP and author Walter Jon  Williams observed that

Paranoia is not a part of any mindset. It is an illness.

Ah, Walter the literalist!

Yes I agree with what you say but look at it this way

"We're paid to be paranoid" doesn't mean we're ill.
It's a job.

Now if your job is an obsession, one you take home with you and it interferes with your family life, that you can't let go, then its an illness whatever it is.

"We're paid to be paranoid"

Its a job. You don't pay us Information Security Professionals to be pollyannas, to have a relaxed attitude.

The Truth About Best Practices

Posted by Anton Aylward

An article on Linked entitled 'The Truth about Practices" started a discussion thread with some of my colleagues.

The most pertinent comment came from Alan Rocker:

I'm not sure whether to quote "Up the Organisation", ("If you must have a
policy manual, reprint the Ten Commandments"),  or "Catch-22" (about the
nice "tidy bomb pattern" that unfortunately failed to hit the target), in
support of the article.

Industry-wide metrics can nevertheless be useful, though it's fatal to
confuse a speedometer and a motor.

However not everyone in the group agreed with our skepricism and the observations of the autor of the article.
One asked

And Anton aren't the controls you advocate so passionately best practices? >

NOT. Make that *N*O*T*!*!*!  Even allowing for the lowercase!

"Best practices" is an advertising line of self-aggrandization invented by the Big Name Accounting Firms when operating in Consulting Mode.Information Security SWOT Analysis

Confusion over Physical Assets, Information Assets – Part Two

Posted by Anton Aylward

So I need to compile a list of ALL assets, information or otherwise,

That leads to tables and chairs and powerbars.

OK so you can't work without those, but that's not what I meant.

InfoAssetsPhysical assets are only relevant in so far as they part of information processing. You should not start from those, you should start from the information and look at how the business processes make use of it.  Don't confuse you DR/BC plan with your core ISMS statements.  ISO Standard 22301 addresses that.

This is, ultimately, about the business processes.