After the social security numbers, addresses and financial details of some of the USA's top celebrities were posted online, top credit bureaus have come forward and acknowledged that fraudulent and unauthorized access to their records has taken place.
Beyoncé, Michelle Obama, Paris Hilton and more public figures have had their personal information exposed on the internet.
But who is behind it?
In a step which will be welcomed by its security-conscious users, Twitter has announced that it is beginning to turn on HTTPS by default.
Why is this important? Just ask Ashton Kutcher.
Good news on the social networking security front is that Twitter has finally got its act together to offer an Always use HTTPS option.
Find out how to use it, and why.
Could an open WiFi hotspot have allowed Ashton Kutcher's Twitter account to have been compromised at TED?