http://www.us-cert.gov/cas/tips/index.html US-CERT Cyber Security Tips describe and offer advice about common security issues for non-technical computer users. Tips are restricted to a single topic, although complex issues may span multiple tips. Each tip builds upon the knowledge, both terminology and content, of those published prior to it. en-us Produced 2009 by US-CERT, a government organization. 2009-07-01T17:36:41+00:00 info@us-cert.gov http://www.us-cert.gov/cas/tips/ST04-005.html Understanding Anti-Virus Software http://www.us-cert.gov/cas/tips/ST04-004.html Understanding Firewalls http://www.us-cert.gov/cas/tips/ST04-003.html Good Security Habits http://www.us-cert.gov/cas/tips/ST04-002.html Choosing and Protecting Passwords http://www.us-cert.gov/cas/tips/ST04-001.html Why is Cyber Security a Problem? http://www.us-cert.gov/cas/tips/ST06-003.html Staying Safe on Social Network Sites http://www.us-cert.gov/cas/tips/ST06-009.html Coordinating Virus and Spyware Defense http://www.us-cert.gov/cas/tips/ST06-008.html Safeguarding Your Data http://www.us-cert.gov/cas/tips/ST06-007.html Defending Cell Phones and PDAs Against Attack http://www.us-cert.gov/cas/tips/ST06-006.html Understanding Hidden Threats: Corrupted Software Files