Learn about 5 common password security myths, plus the importance of password entropy, password length and proper password storage. Everyone Needs a Password Manager. The hackers who recently breached security at Equifax made quite a haul—personal information about LastPass Premium · Dashlane 4 · The Best Free Password · Zoho Vault. How long it would take a computer to crack your password? The upper end is related to the stringent requirements of choosing keys used in encryption. This unlocks all your other passwords. Yahoo Mail is hacked. Typically, humans are asked to choose a password, sometimes guided by suggestions or restricted by a set of rules, when creating a new account for a computer system or Internet Web site. Perhaps you believe that your passwords are very strong, difficult to hack. Alex Halderman ; Brent Waters; Edward W. Retrieved October 12, A Georgia Tech Research Institute study based on unstretched keys recommended a character random password, but as a minimum length requirement. So, password meters are not a reliable guide to how likely it is that your password will be cracked but they do seem to nudge people in the direction of creating stronger passwords in general. It's recommended to change your passwords every 10 weeks. Use at least 2 differnet phone numbers, do NOT tell others the phone number which you use to receive text messages of the verification codes. Researchers at Concordia University, Montreal published detailed research in that concluded:. Research from Microsoft that looked at the success of password strengthening techniques in the real world concluded that despite their inadequacies, password strength meters lead to stronger passwords:. Avoid consecutive keyboard combinations— such as qwerty or asdfg. Arabic numerals 0—9 e. Did you hear that the latest episode of "Hackable? Systems also vary in the maximum length of passwords allowed.