The social network has been sifting through data to find users whose email addresses and password combos match up to those also used on Adobe. Those whose information tallies get a security email. “Recently there was a security incident on another website unrelated to Facebook,” reads the email. “Facebook was not directly affected by the incident but your Facebook account is at risk because you were using the same password in both places. To secure your account, you’ll need to answer a few questions and change your password. For your protection, no one can see you on Facebook until you finish.”
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