Avoid password reuse

Every day, cybercriminals compromise websites and post lists of user names, email addresses and passwords online. This leaves people vulnerable to attacks due to password reuse. Passwords are more vulnerable when someone uses the same ones for multiple websites or accounts. 

Criminals can take advantage of reused passwords by trying users’ information on other accounts and logging in if they get a match. These attempts to log in to other accounts can now be automated, meaning that once the cybercriminals have a username — often an email address — and a password, the cybercriminals can run that information against standard accounts in seconds. That could include Facebook, Twitter, Google +, Instagram, eBay, Amazon, Groupon, Etsy, LinkedIn, Xbox, Netflix, credit card or bank accounts. Once they’re in, they might be able to change passwords, control  accounts, and  make purchases or withdrawals. The cybercriminals could also figure out where someone works and use that information to try to remotely connect to the City network, for example, through a remote email or COMET access.

Tips

To manage multiple, strong passwords:

Learn more about creating and managing your passwords.

Published Sep 8, 2015

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