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Comments for The InfoSec Blog http://infosecblog.antonaylward.com System Integrity: Context Is Everything Sun, 03 Jul 2016 07:44:40 +0000 hourly 1 https://wordpress.org/?v=4.7.4 Comment on Cyber, Ciber or Syber? by GaryH http://infosecblog.antonaylward.com/2015/07/05/cyber-ciber-or-syber/#comment-20427 Sun, 03 Jul 2016 07:44:40 +0000 http://infosecblog.antonaylward.com/?p=1643#comment-20427 Good luck Anton. I’m right behind you!

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Comment on Should all applicable controls be mentioned in documenting an ISMS? by GaryH http://infosecblog.antonaylward.com/2014/11/19/should-all-applicable-controls-be-mentioned/#comment-20397 Sun, 12 Jul 2015 08:26:27 +0000 http://infosecblog.antonaylward.com/?p=1567#comment-20397 Documents are of course a good way to record, store and replay information. They’re also good for sharing stuff with colleagues or other interested parties. They constitute evidence, provide guidance and instruction, and so forth.

As if that’s not enough, the *process* of documenting something can itself be a valuable activity. Authors are forced to think through what they are trying to say, get their thoughts in order, structure the content, and generally make the effort to express themselves. They often need to research, reading and building upon other works.

These days, collaborative approaches bring authors, researchers, critics and creatives together, pooling and feeding off each others’ knowledge, expertise and creative energies. It’s great fun when the team gels.

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Comment on Tracking kids via microchip ‘can’t be far off,’ says expert by Woody Weaver http://infosecblog.antonaylward.com/2015/05/09/tracking-kids-via-microchip-cant-be-far-off-says-expert/#comment-20387 Thu, 14 May 2015 19:18:40 +0000 http://infosecblog.antonaylward.com/?p=1600#comment-20387 Yes, this is just a novelty story.

> “I microchip my dog, why couldn’t I microchip my son?”

As pointed out, a dog is property, a son is not. Rights to property are almost absolute; rights to other persons have been pretty limited for a while now.

I got my cat through my local animal shelter. They require a microchip. That way, when they find the cat dead in the street, they can scan it, find the adoption records, and notify me of my loss. I don’t think that is as helpful for children.

My neighbor cat wears a fat collar — and it has a cellular uplink that allows my neighbor to track where the cat is during the day. It is interesting, but again of limited utility, since in general the cat wouldn’t be at an easy place to recover them from (I think the granularity is around 50m) but again if it stopped moving for an extended period of time, it might be helpful to recover the body.

But really, I think for a child the point wouldn’t be to prevent kidnapping but to track movements; I think parents protection rights trump a child’s privacy rights. On my cell phone, I have an app, “GPSlogger” that will periodically wake up and send a GPS trackpoint to file or remote server. I used local files, but it would be trivial to use it to know where the phone was. So give the phone to the child; if very young, sew it into a pocket, and if older tell them to keep it with them. There might be compliance issues (hey, would you hold my phone for me? I want to go over to the wrong side of the tracks…) but that is a helpful thing between parent and child.

So implanting just means you can’t trust the phone to stay with the child — that the child is so willful he would reject your control (in which case you have a far bigger problem) or that he would be forcibly separated from the phone. As noted, child abductions are very rare, and in most cases the child is killed within three hours of the abduction. So again, we are back to making it easier to notify me of my loss.

Not helpful.

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Comment on Should all applicable controls be mentioned in documenting an ISMS? by Woody Weaver http://infosecblog.antonaylward.com/2014/11/19/should-all-applicable-controls-be-mentioned/#comment-20386 Thu, 14 May 2015 18:47:09 +0000 http://infosecblog.antonaylward.com/?p=1567#comment-20386 I do a lot of writing of tooling, mostly for my own personal use. I’ll use the tool for years, and it slowly develops new appendages as needs evolve.

> Heck a well meaning ‘kid’ might ‘clean it out’ ignorant of the special reason it was like that!

What I find is that well meaning ‘kid’ is myself six months or a year later — why the heck did I write it like that? Oh, well, it was probably just something awkward… and then several days later (and hooray for RCS) I figure out that it *had* to be that way. So yeah, TiddlyWiki for ongoing microcontent aggregation, and extensive code documentation is the only way to keep from wasting a lot of time.

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Comment on This is not the IoT you want. by Woody Weaver http://infosecblog.antonaylward.com/2014/11/15/this-is-not-the-iot-you-want/#comment-20353 Mon, 17 Nov 2014 13:23:52 +0000 http://infosecblog.antonaylward.com/2014/11/15/this-is-not-the-iot-you-want/#comment-20353 I don’t think I get the issue.

I don’t follow the Quirky product line, but I think its based upon the Zigbee standard. Layers 3 and down are an extension of 802.15.4 combined with a mesh (broadcast all routes) topology. At the application layer, it has “device objects” that provide the kinds of profiles that you are asking for — the protocol tells anyone else in the mesh that asks what kind of device it is and basic parameters about the system.

You seem to be observing that legacy applications — that fan or desk light — are just using raw AC, and aren’t communicating anything over that protocol. It seems a little unfair to complain about legacy designs from the turn of last century, when even ENIAC was just a gleam in its father’s eyes. (And for what its worth, raw resources do have an advantage — c.f. “network neutrality”.

I think we do have naming standards for the IoT. There are still too many of them, perhaps, but they are there.

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Comment on The Classical Risk Equation by Information Gathering and Risk Assessment « The InfoSec Blog http://infosecblog.antonaylward.com/2010/05/19/the-classical-risk-equation/#comment-20217 Mon, 05 May 2014 19:54:51 +0000 http://infosecblog.antonaylward.com/?p=521#comment-20217 […] this point I usually point people to the classical models. Yes there are other models, but there are damn good reasons for the classical models, and like so […]

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Comment on How much Risk Assessment is needed? by Information Gathering and Risk Assessment « The InfoSec Blog http://infosecblog.antonaylward.com/2012/10/02/how-much-risk-assessment-is-needed/#comment-20213 Thu, 01 May 2014 04:06:42 +0000 http://infosecblog.antonaylward.com/?p=1059#comment-20213 […] For example: http://infosecblog.antonaylward.com/2012/10/02/how-much-risk-assessment-is-needed/ […]

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Comment on The Classical Risk Equation by Risk Analysis Makes No Sense … does it? « The InfoSec Blog http://infosecblog.antonaylward.com/2010/05/19/the-classical-risk-equation/#comment-20212 Sat, 26 Apr 2014 00:30:50 +0000 http://infosecblog.antonaylward.com/?p=521#comment-20212 […] and more than one asset. This kind of cross influence makes it more like using matrices in the CRE than […]

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Comment on Canada’s counter terrorism strategy by Fwd: Canada’s counter terrorism strategy | Labyrinth http://infosecblog.antonaylward.com/2013/11/02/canadas-counter-terrorism-strategy/#comment-20206 Wed, 16 Apr 2014 17:38:27 +0000 http://infosecblog.antonaylward.com/?p=1492#comment-20206 […] Canada’s counter terrorism strategy […]

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Comment on On ‘paranoia’ – revisiting “Paid to be paraoid” by Anton Aylward http://infosecblog.antonaylward.com/2013/08/31/on-paranoia/#comment-20203 Fri, 04 Apr 2014 03:33:59 +0000 http://infosecblog.antonaylward.com/?p=1463#comment-20203 In a discussion thread on LinkedIn, we came back to the matter of experise. I added this observation, whcih is also in context here:

“The cold war era also had one additional factor that we don’t see in modern software.
ts been pointed out that modern software is commercial and driven by marketing and is about ‘features’ (and glitz). Cold war designs were based around a paranoid world view: “they” were out to get us; “they” were planing spies and saboteurs (read malware/trojans); they were seducing our scientists & politicians (think “Manchurian Candidate” and social engineering). While many security droids feel they are “paid to be paranoid”, not all those who claim to be in the security business and few if any of the wannabes who think it will be a cool career have that “healthy paranoia” that the job demands. “

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Comment on How much Risk Assessment is needed? by GaryH http://infosecblog.antonaylward.com/2012/10/02/how-much-risk-assessment-is-needed/#comment-20083 Sun, 16 Jun 2013 23:09:56 +0000 http://infosecblog.antonaylward.com/?p=1059#comment-20083 Hi Anton. “Hey, leave something to do next year, why don’t you?” hints at the possibility of deliberately taking a business rather than infosec view. What can we afford to live with, for now? In what areas are we on safe enough ground to take a chance? How lucky do we feel today?

It’s a question of risk aversion vs entrepreneurial perspectives. Appreciating both sides of the coin enables both parties to appreciate the issue at hand more realistically, I reckon.

Cheerio,
Gary

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Comment on Another Java bug: Disable the java setting in your browser by Woody Weaver http://infosecblog.antonaylward.com/2013/01/11/disable-jave-in-your-browser/#comment-20048 Fri, 11 Jan 2013 19:34:45 +0000 http://infosecblog.antonaylward.com/?p=1124#comment-20048 I’m afraid I don’t understand this blog entry.

It starts by highlighting a US-CERT vulnerability note, and observes as well that Java is pervasive, and that one needs to be careful about disabling java. But then, the US-CERT advice is ‘we are currently unaware of a practical solution’ and suggests disabling java in a browser as a workaround. This seems correct and valid advice.

It goes on to ask ‘are we fighting a losing battle?’ I’m not sure what the reference to AV products means, as no product has been mentioned to date. I don’t get the digression into ‘bugs’. The observation seems to be that both technical and novice users may have bad habits, which is of course correct but hardly novel.

The next turn is more interesting. It points out that we are increasingly dependent upon web based systems, and so disabling java in a browser is having increasing impact upon user activity. This is important, I think, but equally important is that we are blurring the ‘my computer, your service’ model — we are increasingly dependent upon external providers for *all* resources, not just external data. This has a profound impact upon the trusted path, and should call into question all risk assessment evaluation; increasingly, we are not able to mitigate risk, but depend upon risk transference — while at the same time these players treat security as externalities, and do not accept the transferal of risk. It is a puzzle.

But I guess I don’t understand the subject of this article.

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Comment on Learning to Counter Threats – Skills or Ethics? by Woody Weaver http://infosecblog.antonaylward.com/2012/09/14/learning-to-counter-threats/#comment-20004 Mon, 17 Sep 2012 14:56:22 +0000 http://infosecblog.antonaylward.com/?p=1044#comment-20004 >> Declaring that learning such techniques is a priori a breach of ethics is short-sighted.

I used to be a professor, so I’m biased in favor of public disclosure and widespread education. But it is far more than short-sighted. It is the same slippery slope that offering knowledge risks. It is the aspect of the dark side that leads to blocking the Hugo awards ( https://www.ustream.tv/blog/2012/09/03/hugo-awards-an-apology-and-explanation/ ).

I would also like to point out that in grad school I had a friend who had a portion of his PhD thesis classified, preventing him from publishing. (This was in the early days of public key crypto, and this wasn’t an exploit, just insight into how things worked.)

Certain kinds of training *are* harmful. Certain kinds of tools to protect us from ourselves have unintended consequences which can be dire.

This is not easy.

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Comment on Why Info Sec Positions Go Unfilled by ajr http://infosecblog.antonaylward.com/2012/05/25/why-info-sec-positions-go-unfilled/#comment-19601 Mon, 28 May 2012 13:54:22 +0000 http://infosecblog.antonaylward.com/?p=983#comment-19601 No real argument with the theses, though I suspect the main reason is impossible requirements specifications.

Not actually caring very much about infosec might be another. That’s reflected in the pay levels, which don’t match the specifications.

There’s rarely a real shortage of people for any kind of job. Usually it’s a shortage of cheap people.

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Comment on Surely compliance is binary? by antonaylward http://infosecblog.antonaylward.com/2012/03/24/surely-compliance-is-binary/#comment-19582 Mon, 21 May 2012 11:20:30 +0000 http://infosecblog.antonaylward.com/?p=911#comment-19582 Ah, good, Gary, you are finally seeing my point.
This is about TESTS. You either pass the test or you don’t. Binary. You are either in compliance or you are not.

There an old saw that goes “What do you call the guy that came in last in class in medical school?” The answer: “Doctor”.

Yes, there are situations where the analogue value counts, but that’s not the point I was making.

Consider a annual race such as the Iditarod Race (See http://iditarod.com/race/) It may happen that one year, because of conditions, the “winner” has a time significantly poorer than last year’s winner. Does that mean that he hasn’t won the race? In the Olympics and track events its common for a winner *not* to break the world, record, that is to have a time worse by an analogue measure, than the record. That doesn’t stop them taking the medal.

Winning is binary, not analogue.
The timing may be analogue but that’s another matter.

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Comment on Surely compliance is binary? by GaryH http://infosecblog.antonaylward.com/2012/03/24/surely-compliance-is-binary/#comment-19580 Mon, 21 May 2012 08:02:49 +0000 http://infosecblog.antonaylward.com/?p=911#comment-19580 OK, let’s try another tack.

Would you accept that there’s a difference between “barely scraping a pass” and “passing with flying colours”? Both are a 1 on the binary compliance scale, but rather different on the analogue real-life scale.

Gary

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Comment on Surely compliance is binary? by antonaylward http://infosecblog.antonaylward.com/2012/03/24/surely-compliance-is-binary/#comment-19568 Sat, 19 May 2012 01:10:51 +0000 http://infosecblog.antonaylward.com/?p=911#comment-19568 Yes Gary, but its still binary.

Suppose the pass-mark is 80%. Well you’ve either passed or you haven’t. Yes that 80% may be the sum of individual questions; but each of those questions was answered either correctly or incorrectly. Such is the nature of tests.

I’ve just had this debate in another form. A younger engineer seemed to think that things like FFT filters and auto-correlators could only be digital (though he did admit that our ears did that as analogue in some way he didn’t understand). I had to explain to him that all my first exposure to signal processing was analogue and I only learnt digital methods later.

Yes, out there in the real world, things are ‘continuous’, but I was talking about compliance and tests. You either pass a test or you don’t.

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Comment on Social Engineering and sufficency of awareness training by GaryH http://infosecblog.antonaylward.com/2012/03/23/social-engineering-and-sufficency-of-awareness-training/#comment-19567 Sat, 19 May 2012 00:52:32 +0000 http://infosecblog.antonaylward.com/?p=910#comment-19567 Building on “The Art of Deception”, Kevin Mitnick’s latest book – “Ghost in the Wires” – is replete with numerous examples of how someone with sufficient skills, knowledge and cohones can often succeed by social engineering, especially in conjunction with hacking. Of course, he barely mentions the inevitable failed social engineering attempts, and merely hints at the huge effort involved in establishing the background knowledge required to make the attacks succeed (e.g. finding out who to attack, how to contact them, and the lingo needed to make the requests seem legitimate), but one thing does shine through. He is a persistent bugger who treats the entire exercise as a challenge. We white-hats tend to think that if we put a sufficiently strong control in place, we can depend upon it. Some merely see our barriers as speed bumps or something to bypass, undermine or slip past. Defense-in-depth is the traditional way of dealing with this, but do we ever really go far enough? Shouldn’t the quality and breadth of our defense-in-depth measures reflect the risk of failure? Following that train of thought brings a new emphasis to risk assessment, threat modelling and all that jazz.

Regards,
Gary

PS Having only just finished reading it, I’ll publish a review of Kevin’s book soon, probably at http://www.NoticeBored.com

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Comment on Surely compliance is binary? by GaryH http://infosecblog.antonaylward.com/2012/03/24/surely-compliance-is-binary/#comment-19566 Sat, 19 May 2012 00:36:42 +0000 http://infosecblog.antonaylward.com/?p=911#comment-19566 Hi Anton.

Many real-world assessments involve pass-marks or hurdles or qualifying levels, which are arbitrary, very seldom at 100%. Furthermore, regarding the pass-marks themselves, there’s ambiguity and leeway in almost all real-world situations, for very good reasons (e.g. variations in factors, inaccuracies in measurement, and to give the assessors some latitude to “take things into account”). The alternative – hard and fast, absolute, strictly applied rules – may suit your binary preference but can create anomalies and inappropriate outcomes under some real-world situations.

Get real! Embrace ambiguity (to some extent)!

Gary.

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Comment on The Classical Risk Equation by Risk Models that hide important information » http://infosecblog.antonaylward.com - System Integrity: Without Integrity you don’t have Security http://infosecblog.antonaylward.com/2010/05/19/the-classical-risk-equation/#comment-19323 Wed, 18 Jan 2012 13:28:08 +0000 http://infosecblog.antonaylward.com/?p=521#comment-19323 […] I discuss the CLASSICAL risk equation in my blog http://infosecblog.antonaylward.com/2010/05/19/the-classical-risk-equation/ […]

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