(NEWSER– The fake AP tweet about White House explosions that sent the Dow Jones diving yesterday was just the latest in a long series of high-profile Twitter hacks, but the company is finally taking steps to make accounts harder to hack, Wired reports. The two-step authentication security measure, which is already offered by the likes of Facebook and Google, requires users logging in from a new location to provide both a password and a piece of data sent to an already registered device.

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