Malicious intrusion has arguably become the most prolific and insidious threat to IT networks, computer systems and software-controlled machinery and equipment (which is almost everything nowadays!), especially as they become increasingly accessible over the internet. The cost – both financial and reputational – of falling victim to a cyberattack can seriously impact a business. A vast array of tools are required to prevent, detect and recover from intrusions, which need to be constantly enhanced and upgraded as the nature and sophistication of the threat shifts and changes.