Continued @ SymantecThis month’s analysis reveals a significant increase in activity related to what may be described as a aggressive and rapidly changing form of generic polymorphic1 malware. With one in 280.9 emails identified as malicious in July, the rise accounted for 23.7 percent of all email-borne malware intercepted in July; more than double the same figure six months ago, indicating a much more aggressive strategy on the part of the cyber criminals responsible.
“The number of variants, or different strains of malware involved in each attack has grown dramatically, by a factor of 25 times, when compared to the previous six months. This is a disturbing proliferation in such a short time, increasing the risk profiles of many organizations as these new strains are much harder to detect using traditional security defenses,” said Paul Wood, senior intelligence analyst, Symantec.cloud
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