AI on the front line in cyber-security war

Machine-learning algorithms are foiling hackers by watching their behaviour and adapting to their evolving tactics

‘Security is an arms race, and the security of machine learning and pattern recognition systems is not an exception’

Last year, Microsoft’s Azure security team detected suspicious activity in the cloud computing usage of a large retailer: one of the company’s administrators, who usually logs on from New York, was trying to gain entry from Romania. And no, the admin wasn’t on holiday. A hacker had broken in.

Microsoft quickly alerted its customer, and the attack was foiled before the intruder got too far.

Chalk one up to a new generation of ...