Secure Password Generator

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How can I secure my password?

Bearing that in mind, here are 10 tips for choosing and using secure passwords.

1. Don't use personal information as a password. Many people use the name of a pet or child, but if a hacker knows you - or can find out this information from a source like Facebook - it will likely be their first guess.

2. Don't use common passwords - security company Sophos provides a list of 50 popular ones that hackers are bound to try. The most common ones include "123456", "password", and "qwerty".

3. Don't use any single word or pair of words that appear in the dictionary. That's because hackers can use software that can test every word in a dictionary in very short amount of time . And don't be fooled that common substitutions, such as a "5" for an "s" (e.g. pa55word), make a difference - hackers and their software are wise to this.

4. Do use a long password. 11 or 12 characters is probably sufficient, although the SANS Institute, a security research organisation, recommends at least 15.

5. Use a password drawn from a pool of as many characters as possible to protect the most sensitive accounts. That means using at least one upper case letter, lower case letter, digit and special character (although not all websites allow special characters.)

6. One way to create a long password that's easy to remember is to use a whole phrase as a password - something like "WhoDaresWins". Another is to use the first letters of the words in a longer phrase - perhaps capitalising every other letter. For example "God save our gracious queen long live our noble queen" would produce " GsOgQlLoNq ".

7. The longer and more complex your passwords, all else being equal, the better. So you can make them more secure by choosing a simple sequence of three or four characters, like "B52" or "M&S" and adding them to the end of all your passwords, e.g. WhoDaresWinsB52 and GsOgQlLoNqB52.

8. Changing passwords regularly can make them difficult to remember but it's sensible to change them occasionally. An easy way to do this is to add the year to the beginning or end of your passwords - e.g. WhoDaresWinsB522013 and GsOgQlLoNqB522013 - and update them annually. This has the advantage of adding length and complexity, and it's also easy to remember how old the password is.

9. If you have too many passwords to remember them all easily, consider using a password manager program such as LastPass or RoboForm. These encrypt and store your passwords securely, and enter them automatically when you supply one master password - which you still have to remember.

10. To get an idea of how much security a given password provides, check it at Gibson Research's tester. But remember, if your computer is infected with a keylogger then a hacker could still get hold of any password you type in, no matter how secure. For that reason it is important to use different passwords for different sites.