There's been a bit of controversy recently regarding the security of passwords saved within Google Chrome. While Google's head of browser security says it isn't a big deal, some users aren't comfortable with the level of security automatically provided by Chrome. If you're one of those people you're in luck. The good folks over at iMore have put together an overview of different ways OS X users can quickly secure their computer, even if they can't secure Chrome.
The first step is to go to your Security & Privacy settings, found in the System Preferences section of the Menu. U