How Often Should You Change Your Password?
Just like a combination for a lock, a security password for your computer can keep intruders away. Unlike the lock, however, you need to change your password on a regular basis to thwart those who would steal your identity.
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Identity
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A password is a hidden word or string of characters used for authentication, to affirm identity or obtain access to a resource, in this case your personal computer. If your password is stolen, thieves can steal your files, infect your hard drive with a virus, and pretend that they are you when conducting online transactions, especially if you use the same password for several different websites. Distinctly separate passwords should be used when logging on to your computer or using online banking.
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Updates
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The longer you keep the same password, the easier it is for someone to access your private data. The Information Technology Department at Utah State University recommends that you change your passwords every six months.
Complexity
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According to Microsoft.com, passwords should be at least eight characters in length, preferably 14 characters or longer. The more complex the password, the less likely it is to be stolen.
Tips
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Never use the same password for all your accounts, including ATM cards, credit cards and online access. Also, avoid using family or pet names, because these are the easiest passwords for thieves to guess.
Secret
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Keep your passwords secret. If you have difficult remembering them, change them to something you can recall but difficult for thieves to guess. Google recommends using common words or phrases but substituting certain letters with other characters, using uppercase as well as lowercase. For example, "myblackcat" might read "M^bl&c*c8t."
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References
Resources
- Photo Credit "Dia 122: Desbloqueado" is Copyrighted by Flickr user: Freddy The Boy (Angel Arcones) under the Creative Commons Attribution license.
