Twitter: 'State-Backed Actors' In Iran, Israel May've Exploited Glitch That Matched Users To Phone Numbers


Twitter Inc. (NYSE: TWTR) on Monday said that a vulnerability in its android application might have been exploited by "state-backed actors" in Iran, Israel, and Malaysia.

What Happened

The vulnerability made it possible for anyone to generate random phone numbers and match them to Twitter users by using a functionality that is meant to allow new users to find people on the platform they know using their phone numbers.

It was discovered by security researcher Ibrahim Balic, who managed to match 17 million phone numbers to Twitter users, TechCrunch reported December last year.

Twitter now said that it had concluded an investigation launched into the matter after it "became …

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