(Sound familiar? ☺) This gives the hacker a limited pool of alternate If this password is cracked and then changed, it might now be My!password02, My!password03, Suppose a current password is My!password01. Other experts believe that forcing users to change passwords on a regular basis may OK State University Department of Computer Science of 8. This way, if a hacker cracks a password, they will be locked out again after the password Many experts believe that passwords should be changed on some periodic basis. If you prefer passwords, there also are websites that provide you with strong, random Incoming high binding review (33K centuries) There are a number of websites that will generate passphrases for you.įor example, consider these passphrases generated by the Use a Passphrase website ( ), along with the website’s estimates of time to crack them: The LastPass website ( ) suggests that you, “tell a story unique to you like Fidoate!my2woolsox.” Words, perhaps followed by a number or with special characters separating the words. Instead of a password, we can create a passphrase by appending together several random OK State University Department of Computer Science of 8 It is better to choose a longer password that is easy to remember than a shorter passwordīut it still is the case that the password should be complex enough to make it difficult “ Through 20 years of effort, we’ve successfully trained everyone to use passwords thatĪre hard for humans to remember, but easy for computers to guess.” Password length has extended to at least 14-16 characters. To put that in perspective, in the year 2000 the world's fastest supercomputer, aĬluster of linked machines costing $110 million, operated at slightly more than 7Įight characters used to be good enough, but in recent years the minimum suggested $800 and can process data at the rate of more than 14 teraflops (trillion floating-point The top video cards used in PCs to meet the demands of today’s video games cost about Sleep, eat, take smoke breaks, demand worker’s rights, etc. Rather, banks of computers are being used to perform the task … and computers do not It isn’t an individual, or even a room full of individuals who are trying to crack
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