Windows v Linux security: the real facts

debunking myths and facts,
http://www.theregister.co.uk/2004/10/22/linux_v_windows_security/

from the register,
http://www.theregister.co.uk/security/security_report_windows_vs_linux/
“Much ado has been made about whether or not #Linux is truly more secure than Windows. We compared Windows vs. #Linux by examining the following metrics in the 40 most recent patches/vulnerabilities listed for Microsoft Windows Server 2003 vs. Red Hat Enterprise #Linux AS v.3:
…
The results were not unexpected. Even by Microsoft’s subjective and flawed standards, fully 38% of the most recent patches address flaws that Microsoft ranks as Critical. Only 10% of Red Hat’s patches and alerts address flaws of Critical severity
Also in PDF format here.