Cybercrooks focusing more on credential theft
Cybercriminals are increasingly focused on the theft of log-in details and other credentials, according to WatchGuard’s latest Internet Security Report.
The report found that a popular open source tool used for credential theft — Mimikatz — was used so frequently during the second quarter that it made the top 10 list of malware variants for the first time, accounting for 36% of the top malware.
The quarterly Internet Security Report is based on anonymised Firebox Feed data from around 33,500 WatchGuard UTM appliances.
“Knowing this, businesses must harden exposed servers, seriously consider multifactor authentication, train users to identify phishing attacks and implement advanced threat prevention solutions to protect their valuable data.”
The report also found that nearly half (47%) of the malware detected during the quarter was new or zero day, rendering traditional signature-based antivirus detection powerless to detect them.
In total, more than 16 million malware variants were detected and blocked during the quarter, with an average of 488 samples blocked per installed WatchGuard device.
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