Langara College offers, or at least they did offer, a security course:
CPSC 2810 (3 credits) (4:0:2)
Computer and Information Security
An introduction to the policies, mechanisms, and implementations of computer security. Provides an understanding of threats, including script kiddies; covert channels; and malicious logic such as viruses, worms, time bombs, and trap doors. Students will learn how attacks work, how to defend against attacks, and how to design and administer secure systems and networks.
Prerequisite(s): A minimum "C" grade in one of: CPSC 1280 or 1480; or permission of the department.