Rounding out the top 10 in terms of attack types were worms, unsafe apps, unwanted apps, viruses, packers, email worms, and constructors, the report found.
The level of complexity in attacks continues to grow: In 2017 alone, Comodo detected 3,704 unique trojan families, 708 unique application malware families, and 1,621 unique backdoor families. This means businesses should consider focusing limited security resources on these areas, as they are more likely to become points of attack.
On a more positive note, most malware types remained even or declined in Q4 2017, the report noted. The only exception was backdoors, which saw a significant rise that quarter, and will likely continue to increase in Q1 2018.
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