Bitcoin is driving the rapid growth of a new breed of malware that makes it easier for hackers to hold vast amounts of data for ransom, says a report from Cisco Systems. Because it is difficult to trace, the virtual currency is especially appealing to hackers seeking ransoms. As a result, security researchers have seen a boom in ransomware that, without any human interaction, can sneak into and encrypt an organization’s files, making the data totally inaccessible until the hackers call off the attack. RP
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