is latest social network to investigate password 'leak'

Last FM posted a security update on its website today. Credit: has become the latest social network to reveal it is investigating the leak of some of its users' passwords.

A message posted on its website today has urged account holders to log in and change password as a precautionary measure.

The music streaming and statistics service had 30 million active users in March 2009.


LinkedIn probe over 'hacking'

Social networking website LinkedIn has launched an investigation after reports more than six million users passwords were posted online.