Shostack + Friends Blog Archive

 

Do Games Teach Security?

There’s a new paper from Mark Thompson and Hassan Takabi of the University of North Texas. The title captures the question: Effectiveness Of Using Card Games To Teach Threat Modeling For Secure Web Application Developments Gamification of classroom assignments and online tools has grown significantly in recent years. There have been a number of card […]

 

What Boards Want in Security Reporting

Recently, some of my friends were talking about a report by Bay Dynamics, “How Boards of Directors Really Feel About Cyber Security Reports.” In that report, we see things like: More than three in five board members say they are both significantly or very “satisfied” (64%) and “inspired”(65%) after the typical presentation by IT and […]

 

"Cyber" Insurance and an Opportunity

There’s a fascinating article on PropertyCasualty360 “ As Cyber Coverage Soars, Opportunity Clicks” (thanks to Jake Kouns and Chris Walsh for the pointer). I don’t have a huge amount to add, but wanted to draw attention to some excerpts that drew my attention: Parisi observes that pricing has also become more consistent over the past […]

 

The High Price of the Silence of Cyberwar

A little ways back, I was arguing [discussing cyberwar] with thegrugq, who said “[Cyberwar] by it’s very nature is defined by acts of espionage, where all sides are motivated to keep incidents secret.” I don’t agree that all sides are obviously motivated to keep incidents secret, and I think that it’s worth asking, is there […]

 

The Fog of Reporting on Cyberwar

There’s a fascinating set of claims in Foreign Affairs “The Fog of Cyberward“: Our research shows that although warnings about cyberwarfare have become more severe, the actual magnitude and pace of attacks do not match popular perception. Only 20 of 124 active rivals — defined as the most conflict-prone pairs of states in the system […]

 

Usable Security: Timing of Information?

As I’ve read Kahneman’s “Thinking, Fast and Slow,” I’ve been thinking a lot about “what you see is all there is” and the difference between someone’s state of mind when they’re trying to decide on an action, and once they’ve selected and are executing a plan. I think that as you’re trying to figure out […]

 

The "Human Action" argument is not even wrong

Several commenters on my post yesterday have put forth some form of the argument that hackers are humans, humans are unpredictable, and therefore, information security cannot have a Nate Silver. This is a distraction, as a moment’s reflection will show. Muggings, rapes and murders all depend on the actions of unpredictable humans, and we can, […]

 

Where is Information Security's Nate Silver?

So by now everyone knows that Nate Silver predicted 50 out of 50 states in the 2012 election. Michael Cosentino has a great picture: Actually, he was one of many quants who predicted what was going to happen via meta-analysis of the data that was available. So here’s my question. Who’s making testable predictions of […]

 

Effective training: Wombat's USBGuru

Many times when computers are compromised, the compromise is stealthy. Take a moment to compare that to being attacked by a lion. There, the failure to notice the lion is right there, in your face. Assuming you survive, you’re going to relive that experience, and think about what you can learn from it. But in […]

 

The Evolution of Information Security

A little while back, a colleague at the NSA reached out to me for an article for their “Next Wave” journal, with a special topic of the science of information security. I’m pleased with the way the article and the entire issue came out, and so I’m glad that the NSA has decided to release […]

 

Active Defense: Show me the Money!

Over the last few days, there’s been a lot of folks in my twitter feed talking about “active defense.” Since I can’t compress this into 140 characters, I wanted to comment quickly: show me the money. And if you can’t show me the money, show me the data. First, I’m unsure what’s actually meant by […]

 

Feynman on Cargo Cult Science

On Twitter, Phil Venables said “More new school thinking from the Feynman archives. Listen to this while thinking of InfoSec.” During the Middle Ages there were all kinds of crazy ideas, such as that a piece of rhinoceros horn would increase potency. Then a method was discovered for separating the ideas–which was to try one […]

 

Aviation Safety

The past 10 years have been the best in the country’s aviation history with 153 fatalities. That’s two deaths for every 100 million passengers on commercial flights, according to an Associated Press analysis of government accident data. The improvement is remarkable. Just a decade earlier, at the time the safest, passengers were 10 times as […]

 

Kudos to Ponemon

In the past, we have has some decidedly critical words for the Ponemon Institute reports, such as “A critique of Ponemon Institute methodology for “churn”” or “Another critique of Ponemon’s method for estimating ‘cost of data breach’“. And to be honest, I’d become sufficiently frustrated that I’d focused my time on other things. So I’d […]

 

The New School of Security Predictions

Bill Brenner started it with “Stop them before they predict again!:” My inbox has been getting hammered with 2012 vendor security predictions since Halloween. They all pretty much state the obvious: Mobile malware is gonna be a big deal Social networking will continue to be riddled with security holes Technologies A, B and C will […]

 

The One Where David Lacey's Article On Risk Makes Us All Stupider

In possibly the worst article on risk assessment I’ve seen in a while, David Lacey of Computerworld gives us the “Six Myth’s Of Risk Assessment.”  This article is so patently bad, so heinously wrong, that it stuck in my caw enough to write this blog post.  So let’s discuss why Mr. Lacey has no clue […]

 

AT&T Hack Attempt

First, good on AT&T for telling people that there’s been an attempt to hack their account. (My copy of the letter that was sent is after the break.) I’m curious what we can learn by discussing the attack. An AT&T spokesperson told Fox News that “Fewer than 1 percent of customers were targeted.” I’m currently […]

 

Lean Startups & the New School

On Friday, I watched Eric Ries talk about his new Lean Startup book, and wanted to talk about how it might relate to security. Ries concieves as startups as businesses operating under conditions of high uncertainty, which includes things you might not think of as startups. In fact, he thinks that startups are everywhere, even […]

 

Diginotar Quantitative Analysis ("Black Tulip")

Following the Diginotar breach, FOX-IT has released analysis and a nifty video showing OCSP requests. As a result, lots of people are quoting a number of “300,000”. Cem Paya has a good analysis of what the OCSP numbers mean, what biases might be introduced at “DigiNotar: surveying the damage with OCSP.” To their credit, FoxIt […]

 

Sex, Lies & Cybercrime Surveys: Getting to Action

My colleagues Dinei Florencio and Cormac Herley have a new paper out, “Sex, Lies and Cyber-crime Surveys.” Our assessment of the quality of cyber-crime surveys is harsh: they are so compromised and biased that no faith whatever can be placed in their findings. We are not alone in this judgement. Most research teams who have […]

 

A Few Data Points

First, for those who might have missed it, Google has released Google Refine, a free tool for cleaning dirty data sets.  It allows you to pull in disparate data, then organize and clean it for consistency. Next, some interesting thoughts on how “anonymized” data sets aren’t, and some thoughts on the implications of this from […]

 
 

Gunnar on Heartland

Analysis of Heartland’s business as a going concern by @oneraindrop. Especially interesting after comments on the CMO video.

 

The Only Trust Models You'll Ever Need

Lately there has been quite a bit of noise about the concept of “trust” in information security.  This has always confused me, because I tend towards @bobblakley when he says: “trust is for suckers.” But security is keen on having trendy new memes, things to sell you, and I thought that I might as well […]

 

Visualization for Gunnar's "Heartland Revisited"

You may have heard me say in the past that one of the more interesting aspects of security breaches, for me at least, is the concept of reputation damage.  Maybe that’s because I heard so many sales tactics tied to defacement in the 90’s, maybe because it’s so hard to actually quantify brand equity and […]

 

A Letter from Sid CRISC – ious

In the comments to “Why I Don’t Like CRISC” where I challenge ISACA to show us in valid scale and in publicly available models, the risk reduction of COBIT adoption, reader Sid starts to get it, but then kinda devolves into a defense of COBIT or something.  But it’s a great comment, and I wanted […]

 

Fines or Reporting?

Over at the Office of Inadequate Security, Dissent does excellent work digging into several perspectives on Discover Card breaches: Discover’s reports, and the (apparent) silence of breached entities. I’m concerned that for many of the breaches they report, we have never seen breach reports filed by the entities themselves nor media reports on the incidents. […]

 

Fair Warning: I haven't read this report, but…

@pogowasright pointed to “HOW many patient privacy breaches per month?:” As regular readers know, I tend to avoid blogging about commercial products and am leery about reporting results from studies that might be self-serving, but a new paper from FairWarning has some data that I think are worth mentioning here. In their report, they provide […]

 

Measurement Theory & Risk Posts You Should Read

These came across the SIRA mailing list. They were so good, I had to share: https://eight2late.wordpress.com/2009/07/01/cox%E2%80%99s-risk-matrix-theorem-and-its-implications-for-project-risk-management/ http://eight2late.wordpress.com/2009/12/18/visualising-content-and-context-using-issue-maps-an-example-based-on-a-discussion-of-coxs-risk-matrix-theorem/ http://eight2late.wordpress.com/2009/10/06/on-the-limitations-of-scoring-methods-for-risk-analysis/ Thanks to Kevin Riggins for finding them and pointing them out.

 

Dating and InfoSec

So if you don’t follow the folks over at OKCupid, you are missing out on some hot data. In case you’re not aware of it, OKCupid is: the best dating site on earth. Compiling our observations and statistics from the hundreds of millions of user interactions we’ve logged, we use this outlet to explore the […]

 

Measuring The Speed of Light Using Your Microwave

Using a dish full of marshmallows.  We’re doing this with my oldest kids, and while I was reading up on it, I had to laugh out loud at the following: …now you have what you need to measure the speed of light. You just need to know a very fundamental equation of physics: Speed of […]

 

30 vs 150,000

For your consideration, two articles in today’s New York Times. First, “How to Remind a Parent of the Baby in the Car?:” INFANTS or young children left inside a vehicle can die of hyperthermia in a few hours, even when the temperature outside is not especially hot. It is a tragedy that kills about 30 […]

 

Getting the time dimension right

If you are developing or using security metrics, it’s inevitable that you’ll have to deal with the dimension of time. “Data” tells you about the past. “Security” is a judgement about the present. “Risk” is a cost of the future, brought to the present. The way to marry these three is through social learning processes.

 

On Uncertain Security

One of the reasons I like climate studies is because the world of the climate scientist is not dissimilar to ours.  Their data is frought with uncertainty, it has gaps, and it might be kind of important (regardless of your stance of anthropomorphic global warming, I think we can all agree that when the climate […]

 

Data void: False Positives

A Gartner blog post points out the lack of data reported by vendors or customers regarding the false positive rates for anti-spam solutions. This is part of a general problem in the security industry that is a major obstical to rational analysis of effectiveness, cost-effectiveness, risk, and the rest

 

The Visual Display of Quantitative Information

In Verizon’s post, “A Comparison of [Verizon’s] DBIR with UK breach report,” we see: Quick: which is larger, the grey slice on top, or the grey slice on the bottom? And ought grey be used for “sophisticated” or “moderate”? I’m confident that both organizations are focused on accurate reporting. I am optimistic that this small […]

 

Help EFF Measure Browser Uniqueness

The EFF is doing some measurement of browser uniqueness and privacy. It takes ten seconds. Before you go, why not estimate what fraction of users have the same transmitted/discoverable browser settings as you, and then check your accuracy at https://panopticlick.eff.org. Or start at http://www.eff.org/deeplinks/2010/01/help-eff-research-web-browser-tracking for a bit more detail.

 
 

Return on (Other People’s) Investment

‘The Australian’ has a great story on “Focus key to crack money-laundering.” Its focused on the testimony of a British expert on “money laundering” and includes: Last year, British banks, accountants and lawyers made some 200,000 reports to the authorities. But in the three years since Britain’s law was implemented, there had been only one […]