Encryption

A faulty Yahoo Mail application available on Android devices may be the cause of spam messages that have turned up and appear to be sent from mobile phones.

Another day, another major company is hacked of its members' passwords. This time it is Billabong, the Australia-based surfwear manufacturer, and the credentials reportedly were publicly posted and unencrypted.

Another password compromise has befallen a major company. This time Yahoo confirmed Thursday that its Contributor Network was raided of the usernames and passcodes of 400,000 members.

An unencrypted laptop containing patient data was stolen in late April from the home of a doctor working for The University of Texas M.D. Anderson Cancer Center.

Many of the emails sent to LinkedIn users alerting them of compromised passwords mistakenly were blocked as spam by the recipients.

Joining LinkedIn, dating website eHarmony said Wednesday that it is investigating the possible theft of its members' passwords.

Business-networking site LinkedIn is looking into the possibility of a data breach which may have led to the theft of nearly 6.5 million user passwords.