Application control, such as greylisting, paired with selective local admin rights management, is 100 percent effective against ransomware and unwanted file encryption. This is according to CyberArk Labs’ new report, based on the analysis of more than 23,000 real-world samples from common ransomware families, such as Cryptolocker, Petya and Locky. More than 30 different malware families were tested, and the results posted in the report entitled Analyzing Ransomware and Potential Mitigation Strategies. The greylisting method was compared to the effectiveness of other, known strategies, such as anti-virus software which relies on blacklists. "Ransomware has emerged as a credible and opportunistic…
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