This growth in number can be attributed to malware authors crafting their infected or trojanized applications to defeat anti-virus signature detection, distributing their malware in different application names, and trojanizing widely popular applications.

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In general, the signature-based security products used to defend enterprise networks, such as firewalls, anti-virus products and intrusion detection systems are increasingly blind to modern attack methods, which are increasingly embedded into application data or designed to self-mutate in order to evade detection.

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