NSA using Firefox flaw to snoop on Tor users

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An NSA presentation released by Edward Snowden contains mixed news for Tor users. The anonymizing service itself appears to have foxed US and UK government snoops, but instead they are using a zero-day flaw in the Firefox browser bundled with Tor

Read the complete story: http://www.theregister.co.uk/2013/10/04/nsa_using_firefox_flaw_to_snoop_on_tor_users/