The Cyber Security Handbook – Prepare for, respond to and recover from cyber attacks

CHAPTER 3: CYBER RESILIENCE

Unfortunately, even the most secure organisation can still fall victim to a cyber attack. To a large extent, it is simply a case of having the odds stacked against you: although you need to protect all your assets from all types of threat, an attacker requires only one weakness to get into your systems. On top of that, any security measure you put in place is only designed to stop a handful of threats – at most. That means that it is likely to be inherently ineffective against other kinds of threat.

It is important both to recognise these challenges and to not view them as insurmountable.

To understand why the former is so important, you only have to look at the past. History teaches us that if you assume that something ...