More than one third of corporates have been hit by ransomware attacks or know a company that has, according to new research from security vendor ESET.
The firm polled 200 security professionals at the annual Infosecurity Europe event in June and found additionally that 84% believe their company would be seriously damaged if it were successfully infected with ransomware.
Almost one third (31%) admitted that if their corporate networks were infected they’d have no choice but to pay the ransom in order to have mission critical data decrypted again.
Although all ransomware attempts to extort money from the victim, there are several variants which set about it in a slightly different way.
These include early versions of so-called ‘police-themed’ ransomware which disguises demands to look like official warnings from the local constabulary – requiring payment of a fine to settle a made-up offense.
Reveton is probably the most famous of these variants.
More recently, malware writers have introduced even more dangerous versions which typically encrypt the victim’s files until a ransom is paid, whereupon they receive the decryption key.
CryptoWall and CryptoLocker are among the most infamous of this type of ransomware.
In fact, an FBI notice earlier this week claimed that CryptoWall has cost US victims in excess of $18m since last April.
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