"How much of a threat is malicious code to Linux as it
becomes more of a mainstream server operating system?
"Jyrki Tulokas: You can write a virus to any platform. Linux is
more secure than Windows by default, but it's not difficult to make
a malicious program that would run on Linux. There are about 100
viruses in existence for Linux. It's obviously a little different
story on the Windows side.
"On Windows, most of the viruses are e-mail borne. On the Linux
side, today and in the future, viruses are network-aware, and
[they] take advantage of vulnerabilities in networks or systems to
infect machines. The Slapper worm, for example, attacked
vulnerabilities in OpenSSL and Apache.
"If and when Linux becomes used more in corporate environments,
the prevalence of viruses will depend on the applications running