Category Archives: Security

The Fourth Bullet – When Defensive Acts Become Indefensible

At the RSA Conference Europe 2012 last week David and I explained how businesses can build a real Active Defense plan, as reported by The Register.

Companies and governments are constantly under siege by hackers and malware. Standard incident response is failing and police are overstretched. Faced by these challenges, small businesses have the option to actively respond against attackers rather than mounting only a passive defense.

Rather than jumping to the conclusion that any defensive action beyond currently accepted techniques is illegal, better and more effective options need to be considered, the argument runs.

Our presentation emphasizes the philosophy and law of self-defense and the need to formally document engagement rules and steps. After the presentation an audience member asked me to comment on the Clegg criminal law case from Northern Ireland.

I found this case described in detail at a school of law and in Cases & Materials on Criminal Law: Fourth Edition by Mike Molan

In relation to the first three shots, the judge accepted Private Clegg’s defence that he fired in self-defence or in defence of Private Aindow. But with regard to the fourth shot he found that Private Clegg could not have been firing in defence of himself or Private Aindow, since, once the car had passed, they were no longer in danger.

The situation involved soldiers on patrol who ordered a car to stop. When the car failed to follow orders it was fired upon. The soldiers’ claims were evaluated against scientific proof that a fourth shot hit the threatening vehicle after it had passed (entered it from the rear) and was more than 50 feet away. This contradicted Clegg’s testimony that he fired three shots through the front and the fourth shot through the side door as the car passed nearby. The judge thus ruled a fourth bullet was fired “with the intention of causing death or serious bodily harm” and Clegg was found guilty of murder.

YouTube has this archival video of the news with more detail, including an attempt by the soldiers to falsify proof of motive.

https://www.youtube.com/zcXRw–gv1M

In a somewhat related news story of today, several Royal Marines have been arrested for how they handled a captured combatant. The arrests were based on video of the incident found on a laptop during a civilian investigation of one of the soldiers.

Footage discovered on a serviceman’s laptop prompted the arrest of seven Royal Marines on suspicion of murder over an incident in Afghanistan, Sky News has learned.

The Ministry of Defence (MoD) said the arrests by the Royal Military Police relate to an incident that happened after an engagement with an insurgent.

Sky sources revealed it only came to light following an arrest last week by civilian police – for a separate matter – of a man who had been serving in Afghanistan.

During that investigation, they had to look at his laptop – where they discovered a video that showed what were allegedly Royal Marines in a compound in Helmand Province with what appears to be an injured Taliban insurgent.

Sources say the clip contains a conversation about what to do with the injured man and whether to administer first aid.

Five soldiers have now been charged with murder.

Defense Secretary Philip Hammond pledged that any abuse would “be dealt with through the normal processes” of military justice.

“Everybody serving in theater knows the rules of engagement. They carry cards in their uniforms with the rules on them in case they should need to remind themselves,” Hammond told the BBC on Sunday.

These cases bring two points to mind.

First, defensive acts have to be measured and proportionate. Preparation and training are essential so action in the heat of the moment can be found reasonable. Some may see these as prohibitively costly calculations but let’s face it, organizations already are working on disaster recovery policy and procedures that do the same thing.

It is a cost relative to threats; a company that wants to stay in business simply has to do the math and make a business decision.

Second, even trained professional soldiers obviously can violate codes of conduct or rules of engagement. That is why formal documentation and verification of procedures are essential to the success of a defensive action.

And Suddenly I Miss Everybody

A recent French film called “Et Soudain Tout le Monde Me Manque” (And Suddenly I Miss Everybody) is peppered with comedic security issues. From the anonymity lost in a simple cup of coffee to the risk from x-rays taped to a window…I don’t think the film was meant to be a study but it raises some funny examples that are worth considering.

It was released to the English-speaking market as “The Day I Saw Your Heart”

Bromium, Beavers, Bruce and Liars & Outliers

What better thing to do on Sunday then read and then comment on a blog post about breaking the compliance rules of Shabbat? Bromium’s Tal Klein, a self-proclaimed Bromide, provides an amusing look at religious rule-breaking:

Enter the Shabbat industry: an entire business model dedicated to keeping devout Jews in compliance with divine policy while creatively circumventing it – in search of enablement (there’s even Shabbat toilet paper).

So when IT decides to play Moses and declare a policy or implement software that puts users in a box, the expectation should be that users will find a creative way around it (and that the bad guys will find a way in), all while ostensibly in-policy.

Tal makes a typical point; to put it simply, water flows downhill so if you try and block the water you can expect it to try and flow around.

My first issue with this line of reasoning is that it over-simplifies the compliance market. Of course it is easy to say enabling is preferred to disabling, but that’s a false dichotomy. Disabling unnecessary and unused services can be justified, for example, because it reduces harm with no expected workaround or demand for flow around. It’s like finding a leaky board in a ship everyone is sailing on. Yet, Tal seems to suggest that this would be like “pretending to know what’s actually happening” and he portrays compliance as lagging and behind:

Policy can’t be a shackle. Compliance standards are by their very nature at least a generation behind modern technology. We can’t predict what users will need in order to do their jobs tomorrow, so we shouldn’t force them to work in a whitelisted box – doing so is pretending to know what’s actually happening. No enforcement can be tough enough to stop the tide of ingenuity. Not whitelisting, not remote wipe, not MDM, not DLP, not VDI. People want to go up to their floor on Shabbat, and they don’t want to take the stairs.

Back to the water analogy, stopping the flow (assuming that is the real intent) involves knowing a lot about issues involved, just like when building a dam. There are benefits to creating a box and stopping flow — disablement. Those who assess the effectiveness of the controls can in fact know a lot about harnessing the power of creative forces, as illustrated below.

Building Dams

Tal says that “…no enforcement can be tough enough to stop the tide…” but obviously, just like building a dam, economic and political factors influence the success of compliance more than engineering issues. The “tough” enforcement is often a question of resolve rather than technical prowess. Moreover, regulators usually do not race towards the latest technology precisely because all those who are regulated also do not race towards it; it is a commonality of acceptance rather than the choices of a few outliers that defines progress. A compliance market definitely is not as simple as a decision whether to make policy a “shackle” or not.

My second issue extends from this first point. A perfect example of the complexities of compliance is the assessment of harm. This is not a failure of compliance “awareness” but rather a burden placed on regulators by those who are regulated. Tal’s conclusion “People want to go up to their floor on Shabbat, and they don’t want to take the stairs” is an example that begs the question “so what?” The impact of elevator versus stairs for those who can use either without any consequence to themselves or anyone else is a false and mostly meaningless dichotomy (with the exception of those who can’t take the stairs). Consider instead the recent compliance case of Chevron

Federal authorities have opened a criminal investigation of Chevron after discovering that the company detoured pollutants around monitoring equipment at its Richmond refinery for four years and burned them off into the atmosphere, in possible violation of a federal court order…

Pollution is by definition harmful, unlike a soft question of stairs versus elevator and what people want. The pollution question becomes how to use compliance to spur innovation and reduce risk of harm or known harm that can have a very lasting effect.

Caterpillar in the early 2000s provide an excellent counter-example. They created more than 500 patents on clean diesel to reduce documented illness and absence for those involved in heavy machinery operations. The reduced sick-time and increased productivity was the result of a compliance framework that altered the market enough to allow for innovation — polluting was made less economically advantageous. Earlier this year the company thus cited their innovation as a partnership with regulators; both working together improve the overall result.

“For Caterpillar, it’s fitting that we’re celebrating cutting-edge technology in California as this state is the birthplace of Caterpillar innovation” […] “Today we’re marking another transformation in the industry: engines that offer our customers superior performance at near zero emissions.”

You might even say Caterpillar was doing what Bromium is positioning itself to do — bring to market a cleaner and lower-risk user experience due to compliance requirements for the same. Keep this in mind when you read Chevron’s response to the investigation of their bypass pipe:

Federal criminal investigators are trying to determine who at Chevron was aware of the bypass pipe and whether the company used it intentionally to deceive air-pollution regulators. Chevron says its use was inadvertent…

Bruce Schneier’s recent book, Liars & Outliers, gives a long and detailed analysis of this phenomenon. People often break out of group and social boundaries, resisting conformance and compliance. Their groups tolerate this in many contexts where there is some benefit but when there is harm…compliance does sometimes actually slam the door shut. An inadvertent pollution pipe will not be rewarded as innovative under societal/regulatory standards, yet it would be under Tal’s post.

There’s a nuanced relationship rather than a simple case of regulators always being “behind” or “pretending”. Often regulators understand risk more broadly than those they have to reign in for the same reason they can predict consequences better than any individual user. Regulators often see the forest for the trees, working across many different needs, which allows them to bring innovation frameworks to those regulated. One of the reasons for this complex relationship is because regulations and compliance tend to be centred around risk management; they account for some principle of consequence/harm both for the individual and groups.

So rather than just throw our hands up on compliance because user ingenuity always wins we should continue to study methods and science of stopping a tide with the aim of finding and improving the natural balance. A measured approach to compliance can be a powerful generator of ingenuity that also is beneficial to groups of users.

Tal concludes with “The challenge, then, is to develop a security policy around enablement, not the other way around.”

We have many examples of innovation in security where enablement was built around security policy. What benefit comes if we reverse this? Why not use policy to define the need for security and generate demand for Bromium? Policies of preventing and detecting breaches, for example, were not developed around enablement but still stimulated innovation in sandboxes and segmentation.

Back to Tal’s analogy of religious Jews and compliance, and to put it in terms of the famous Israeli philosopher Martin Buber, the key is perhaps to think of regulators and users as less of an Ich-Es relationship and more an Ich-Du.

Those who work together generate balanced policy, those who work opposed have imbalanced policy. Balanced policy can shackle harm while still enabling innovation. Benefits even can come from stopping a tide, with ingenuity and positive innovation being one of them:

Beaver Dam
Beaver Lodge, Richard Orr (c) Dorling Kindersley

This Day in History: 1863 Quantrill Ambushes, Kills Badger Band

On this day in 1863, two and a half years after the start of the Civil War, hundreds of pro-slavery Confederates led by Captain William Quantrill disguised themselves as Federal soldiers, then ambushed and killed more than 50 Wisconsin men stationed in “Bloody Kansas”.

Amongst the killed were the brigade band’s 11 men. Several of them had been pinioned to the band wagon by swords driven through them while still alive and the wagon then set afire. Among these served in this way were T.L. Davis, of Platteville, and Johnny Fritz a 15-year-old drummer boy; a sword had been driven through his thigh and then into the woodwork of the wagon.

Quantrill’s group was known to not only torture and burn men alive but kill them even after surrender. Quantrill himself had earned a reputation as a liar and spy.

By the end of 1863 his methods were a clear burden to the Confederate Army, which had to assign soldiers to protect civilians from his men. He eventually was arrested in Texas by a Confederate General in early 1864 on charges of ordering the murder of an officer.

Civilians were accosted, homes were broken into, church steeples were shot up, and a Confederate recruiting officer, Major George N. Butts, was found shot to death on the side of a road. “They regard the life of a man less than you would that of a sheep-killing dog,” said [General] McCulloch. “I regard them but one shade better than highwaymen.” In Sherman, drunken guerrillas rode their horses into a hotel lobby and shot out the gaslights.

Quantrill easily escaped arrest by McCulloch and then tried to continue his style of guerrilla raids, leading men like Jesse James on campaigns North and East of Texas. He was shot in 1865, as he claimed he wanted to march on the US President, and died while in a hospital.