Is your data safe anywhere? Just months after a half-million Yahoo! passwords, 6.5 million LinkedIn passwords, and 55,000 Twitter passwords were leaked, the hacktivists at AntiSec have found their next data goldmine: a stash of 12.4 million Apple Unique Device Identifiers (UDID).

According to the Anonymous-allied hackers, a list of 12.4 million Apple Unique Device Identifiers (UDID) was found on an FBI agent's Dell notebook. Each UDID was associated with user names, device info, and in some cases, phone numbers, names, and addresses. It is unknown why the FBI would have such information on hand. AntiSec leaked 1,000,001 of those UDIDs to bring light to the government's data collecting effort.

As of now, there's no reason for panic — AntiSec scrubbed a lot of personal information from their list before releasing it. But if you're still worried about your own Apple UDID appearing on the AntiSec hack list, TheNextWeb has created a web tool for checking if your information was compromised.

[Image credit: Locks via Shutterstock]

This article was written by Fox Van Allen and originally appeared on Tecca

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