“Yes, I realize that’s an ambitious title for a blog post about staying secure online, but there are a handful of basic security principles that — if followed religiously — can blunt the majority of malicious threats out there today.”
Krebs’s 3 Basic Rules for Online Safety
Krebs on Security, May 20, 2011
By Brian Krebs
Krebs’s Number One Rule for Staying Safe Online: “If you didn’t go looking for it, don’t install it!”
Krebs’s Rule #2 for Staying Safe Online: “If you installed it, update it.”
Krebs’s Rule #3 for Staying Safe Online: “If you no longer need it, remove it.”
[There’s a bit more to it than that, so read the article. It’s short.]