The Linux "zombie" machines were compromised when hackers broke into them by exploiting a default setting for the network file system through an RFC buffer overflow, Rouland explains.

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In addition to checking daily for security updates, Mountain Lion includes app sandboxing to keep misbehaving apps from compromising your system, and kernel ASLR for improved protection against buffer overflow attacks.

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The trust fund is worth having as a buffer, but it has zero to do with the feasibility of the system.

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