CertainKey - Password Checker

Features

• Passphrases analysed using this Java Applet never leave your computer.
• A dictionary of all words in the English language is used to analyse your passphrase for weakness.
• This tool quotes an estimate on the number of days such a password is safe for.

Please Note

• A typical home computer can attempt over 400,000 passwords per second.
• A typical hacker will use many computers to gain access to your files, servers and email accounts.
• For user-friendly reasons, this tool currently only checks English words. An attacker would try many more languages with little to no effort.
• This e-mail address is being protected from spambots. You need JavaScript enabled to view it if you would like to purchase this tool.

Recommendation

CertainKey recommends the following to create a strong passphrase. Your passphrase should:

• not be based on an English word,
• contain at least 3 lower-case letters,
• contain at least 3 upper-case letters,
• contain at least 2 decimal digits,
• be at least 8 characters in length, and
• be sufficiently random (ie. a Binary Signal Entropy greater than 3)