Expert Comment

The Register: Targeted, custom ransomware rears ugly head


Targeted ransomware attacks using cutom malware should be dealt with using 'containment by design' approaches, says Matt Hillman.

"Hackers are timing their attacks to add pressure," for example by launching assaults just before sales quarters close or a major announcement or industry event.

Hillman advised organizations to review their security policies in order to better defend against custom malware, adopting an approach he described as "containment by design". This would involve running PCs at least privilege (the security perils of running all machines as admin was, of course, illustrated the the recent NotPetya outbreak), using security packages capable of blocking malicious behaviour and network segmentation. Businesses should also develop a recovery plan before testing it to make sure they have an effective disaster recovery strategy in place, he added. 

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