One-Third of All Malware Goes Undetected by AV

In the fourth quarter of 2016, about 30% of all malware was classified in new research as “zero day,” and was not caught by legacy antivirus solutions.

By Tara Seals

WatchGuard Technologies’ inaugural Quarterly Internet Security Report postulates that the finding indicates that cybercriminals’ capability to automatically repack or morph their malware has outpaced the AV industry’s ability to keep up with new signatures.

The study also uncovered a theme of old threats becoming new again. First, the results show that macro-based malware is still very prevalent.

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