Businesses are still dealing with the fallout from a
Ransomware – a malicious piece of software that locks files on a computer and demands payments to unlock them – is the name of the type of virus that infected the machines. Ransomware attacks have been on the rise and this particular malware known as WannaCry was called "unprecedented" by Europol.
WannaCry affected an exploit in the Windows XP operating system on PCs, and Microsoft shortly sent out a fix for the security flaw. But authorities such as the U.K.'s National Cyber Security Center (NCSC), warned over the weekend that as the working week begins, further cases of ransomware could come to light.
The WannaCry ransomware affects machines running the Windows operating system. It was a security flaw that was originally exploited by the U.S. National Security Agency (NSA) which was then leaked earlier this year. Hackers are now using this themselves.
If you or your organization is running a version of Windows, you could be at risk.
Authorities in the U.S. and U.K. have issued guidance on what to do.
Individuals and small businesses should:
Large organizations should:
There are also steps that can be taken to protect against ransomware more generally. These include: