Attacks today incorporate increasingly sophisticated methods of social engineering and client-side software manipulation to exfiltrate data without detection. Some attackers leverage so-called spearphishing to entice employees to give up access information and spread their attacks to other enterprise systems; others use password crackers against compromised applications in order to gain further access rights to the network. The attackers might also set up channels for command and control communications with the compromised systems, as in the case of the Zeus or SpyEye bot infections.
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