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Using the same password across multiple sites – If you have the same password for everything, you’re giving a hacker an invitation to access every account you have. Even though it may be ...
The Worst Passwords List is an annual list of the 25 most common passwords from each year as produced by internet security firm SplashData. [4] Since 2011, the firm has published the list based on data examined from millions of passwords leaked in data breaches, mostly in North America and Western Europe, over each year.
Usually, passwords are not tried one-by-one against a system's secure server online; instead, a hacker might manage to gain access to a shadowed password file protected by a one-way encryption algorithm. They would then test each entry in a file like this to see whether its encrypted form matches what the server has on record.
This line of research resulted in the concept of the associative password, a password system based on user selected cues and responses. [6] This concept of associative passwords was extended to a pre-specified set of questions and answers that users would be expected to know and could easily recall. [7]
Laziness could make your passwords more vulnerable to hackers. Another password pitfall: laziness. A recent survey shows most users know that using the same password across multiple accounts is ...
Use different passwords. Using a single password for AOL and other sites (Facebook, Twitter, or banking websites) may place your AOL account, username or email at risk. We suggest using unique passwords for each site you visit. Be creative. Make sure that your password is difficult for others to guess, but easy for you to remember.
For example, if you have social media and email accounts, avoid using the same password across all sites. If someone gets access to one of your accounts, that cybercriminal can also gain access to ...
Systems that use passwords for authentication must have some way to check any password entered to gain access. If the valid passwords are simply stored in a system file or database, an attacker who gains sufficient access to the system will obtain all user passwords, giving the attacker access to all accounts on the attacked system and possibly other systems where users employ the same or ...