Yahoo Passwords Hacked

Yahoo is investigating a breach that exposed usernames and passwords of 450,000 accounts last Wednesday. The compromised accounts are for Yahoo Voice, a voice-over-Internet-protocol (VoIP) service. According to security firm TrustedSec, the passwords and usernames appeared to be stored without encryption in plain text. That means anyone can use the information. Yahoo said that fewer than 5 percent of the accounts breached had valid passwords. The company is fixing the vulnerability that led to the disclosure.

Many people use the same usernames and passwords for multiple accounts. To be on the safe side, it is recommended to change your Yahoo password and those of any other accounts that used that password.

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About MIT
IT Security Awareness Consultant and Communications Specialist at MIT

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