Data from recent password breaches at Yahoo, LinkedIn and Rockyou.com reveals that some passwords are particularly vulnerable. An all lowercase password with 6 characters can be hacked into within 10 minutes, while adding complexity with additional characters and the use of upper case letters, numbers and symbols can extend that timeframe into decades and even millennia.
Common components of easy-to-hack passwords:
2. Names of close family members or friends
3. Your name
4. Words in the dictionary
5. Common names
6. Repeating your login code
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