A previously unknown group known as Hackers Unite has claimed responsibility for publicizing Hotmail's security breach, which Microsoft vehemently denied was the result of a backdoor oversight. By James Glave.

A Danish government official has reported a security hole that could allow unauthorized access to private accounts on Hotmail, the free Web email service. The company confirmed the hole exists and said Friday it would patch it within a day. By Michael...

Tom Cervenka, a Web programmer at Canadian Specialty Installations, spent last week working on some clever coding to send to his Hotmail account. It tells users account access has been timed out and that they need to re-enter their account and passwor...

Microsoft has fixed a serious vulnerability in its Hotmail email program that tricks users into sending their usernames and passwords to an outside email address. By Michael Stutz.

To correct serious security flaws, Microsoft on Friday disabled the virtual wallet function of its Passport service and has begun notifying partners about the vulnerabilities, the company has confirmed. By Brian McWilliams.

In potentially one of the largest security e-mail breaches ever, a Web site may have allowed people access to millions of private Hotmail accounts.