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248<br />

Part IV: Hacking Operating Systems<br />

In addition to Linux kernel and general operating system updates, make sure<br />

you pay attention to Apache, OpenSSL, OpenSSH, MySQL, and other software<br />

on your systems. They have weaknesses that you probably don’t want to<br />

overlook.<br />

Multi-platform update managers<br />

The open source option for multiple Linux platforms called RPM Package<br />

Manager (www.rpm.org) is worth checking out. Commercial tools have<br />

additional features, such as correlating patches with vulnerabilities and<br />

automatically deploying appropriate patches. Commercial tools that can<br />

help with Linux patch management include Kaseya Patch Management (www.<br />

kaseya.com/features/patch-management.aspx) and Lumension Patch<br />

and Remediation (www.lumension.com/vulnerability-management/<br />

patch-management-software.aspx).

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