Password breaches are happening in massive numbers. In one week last year, 500,000 Yahoo! passwords were exposed. While one exposed password may not cause you much grief, if you use that same password for your bank login and other accounts that protect your financial information, you could be in big trouble. Because companies can’t guarantee the security of your username and password, it is crucial to use a different password for every Internet site and/or service. Given the large number of sites most of us frequent while at work and at home, the only real way to ensure password security (and keep our sanity) is to leverage a password manager. Read more.