Rootkits outfox old school malware protection
Security experts now believe that trojan, spam and malware protection software cannot adequately prevent system compromise by increasingly sophisticated rootkits.
Rootkits are used to conceal the presence of trojans, hacker backdoors, and botnets by cloaking their files and processes through modifying the output of common operating system routines. They grant administrator access to a system after a hacker installs them typically through obtaining user level access by exploiting known vulnerabilities. Computerworld - Rootkits outfox old-school malware protection
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