We all know it’s a no-no to use the same password for everything. If your computer or one of the companies you do business with online is hacked, the bad guys have access to everything you use that password for, from online banking to Dropbox to your firm’s network. You need two things: strong passwords and a way to remember them. For tips on choosing a good password, Microsoft offers some easy to follow suggestions. You won’t have to remember all your new passwords if you use a secure password vault, such as LastPass, KeePass or RoboForm. They will even assign a strong password for you.