One of the big no-no’s in online security is using the same user name and password for different sites. The reason is simple: if one site gets compromised, your login information for other sites is now “floating around”. While having separate passwords is great in theory, practicing it is another story. To help with this, check out the Firefox add-on Magic Password Generator.
You remember one master password. (It is not stored anywhere, don’t forget it!) Then, with a (somewhat simple) cryptographic hash function, the extension combines your master password and the domain name of the site to make another unique password for that site. The password is not saved in Firefox, or anywhere else. It’s secure!
Keep in mind, this extension is completely separate from the password manager built into Firefox. Basically, passwords are generated on the fly each time using an algorithm based on the current domain name.
This extension works best if you only use a single computer, but if you use multiple, there are tools available on their website to help you find out what your password would be.
While Magic Password Generator is certainly not for everyone, some of you may find it useful.
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