PC World: Linux Firewalls and Antivirus–Needed or Not?

“Windows XP, left unpatched, is vulnerable to malware that can
make it shrivel up and die within a few minutes of being connected
to the Internet. Even after patching, Windows is still subject to
virus and spyware attacks that make third-party security tools a
must. Linux, on the other hand, has a reputation for being
relatively impervious to attack via the Net. But is it really
immune to the threats that stalk Windows?

“The answer has long been, and still is, a qualified yes…”

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