Alan Calder on IT Governance, information security & ISO 27001

Commonly accepted best practice on password security is that passwords should be complex, changed frequently and never written down. Password complexity (8 alphanumeric characters, case sensitivity plus special characters) increases the level of difficulty associated with cracking it; password change regularity decreases the likelihood of the password, having been inadvertently revealed, being improperly used. The easiest way into a computer or network is, of course, via the password that has been written down and is stored somewhere convenient - on a post-it note under the keyboard, behind the screen or in an unlocked drawer….

And, of course, the more complex the password, the more frequently it has to be changed, the more likely users are to forget it - and to write it down. And we’re not just talking about business users here: our experience is that many seasoned IT and information security professionals resort to writing passwords down - not least because we increasingly combine regularity of change with increasing volume of passwords, each of which have different rules.

And it’s the different rules that make it difficult for one to use one strong password in all the applications and websites to which one has access.

So, there’s the information security manager’s dilemma when dealing with user system access - enforce frequent password changes, enforce complexity, block reversions from new to old passwords, block password sequencing and all those sensible things, and you increase the likelihood of passwords being written down thereby potentially making unauthorised system access even easier.

The solution, for me, is to insist on password complexity - but to enforce change only irregularly - certainly no more than once a quarter - and, perhaps, no more frequently than once per year.

I did a presentation earlier this week at NITES, in Ireland.  My topic was data protection and governance. I took the opportunity to make a number of linked points:

1. We already have data protection legislation in the EU and US;
2. These regulations don’t have any real teeth;
3. Most company boards - particularly  in the financial sector - and public sector managements simply don’t care about data security - there are no rewards for doing a good job and no meaningful penalties for failure;
4. The Health and Safety Executive in the UK has a budget and staffing levels about 20 times higher than does the Information Commissioner, as well as powers to inspect and fine, so it’s hardly surprising that health and safety regulation shows progress and data protection doesn’t (remember, too, that our ICO’s tiny budget, the majority of which is provided by company registration fees, has to cover DPA compliance as well as FOI and Environmental Regulation compliance!) 
5. We care more about people using mobile phones while driving than we do about companies losing thousands/millions of sensitive personal records - we jail people for sending text messages while driving but do nothing about company directors whose reckless disregard of data protection regulations endangers the financial future of vast numbers of ordinary consumers;
6. It’s time for data security to be given proper emphasis - by which I mean custodial sentences for CEOs and senior civil servants whose organisations recklessly disregard the DPA - with ‘reckless disregard’ having characteristics like unencrypted laptops or USB sticks and failure to conform to BS10012 (when it is finalised and launched),
7. We also need a pan-European data breach directive, that requires companies who fail to protect personal data to meet in full the costs of restitution for those affected as well as paying substantial financial penalties (and, possibly, jail time for directors - see my earlier point).
8. It’s time for us, the consumers whose personal data is so regularly abused, to start demanding - through all the channels open to us - that our elected representatives start taking this subject seriously and enact legislation that will actually have teeth, and commit the level of financial support that will enable those teeth to bite.

You are welcome to download a copy of my NITES presentation: nites-feb-09.

I’ve been of the view, for some time, that effective corporate information security will only come to pass when company directors are prosecuted, fined and jailed for failures to implement and maintain effective information security management systems.

Here are two stories that rather illustrate the point:

• Companies not evaluating security policies efficiently (if at all)
• Companies mostly unprepared to prevent data leaks over email

And it’s all actually quite straightforward - implement ISO27001, obey the Data Protection Act, and have happy customers, staff and regulators!

Apparently, we’re today kicking off the UK National Identity Fraud Prevention Week - and research for RSA reveals wide-spread disbelief (as in, 90% of Britons) that their personal data are safe with banks and retailers, and half the people think that not enough is done to protect these personal details.

That’s better than I thought! Let me explain: in today’s insecure world, everyone has to be concerned about his or her own personal data - this is a critical personal asset that needs safeguarding. And, for far too long, people have simply not been adequately concerned about this issue. Clearly, this is changing - let’s hope that, as more people learn about the poor care exercised by data controllers in the UK, they get better at insisting that adequate steps are taken - and voting with their feet where they are dissatisfied with the standard of care. 

From an organisational point of view, of course, it’s not hard to respond to the findings of this research - take adequate steps, today, to comply with the Data Protection Act in the UK, or whatever data protection legislation applies in your business jurisdiction. If you accept payment cards, PCI DSS compliance should be a given. And, for every organisation, ISO27001 is the best practice standard for securing information - and this week would be a good week to get started on an ISO27001 project!

Following the news a while ago that some Apple iPods had been shipped complete with a malware infection comes the story that your satnav system may also be a risk. TomTom has allegedly shipped devices that contain a Trojan virus that can jump to an owner’s PC when the two are connected. Happily, there’s no suggestion that this creates hazards for drivers on the road, but it clearly generates a most unwelcome intrusion when they get home. With consumer electronics so integral to our lives paying customers should expect – and will soon demand – that manufacturers have such vulnerabilities locked down. I predict that not long from now ISO 27001 will become a far more mainstream concept.