Twitter urges all users to change passwords, shares fall

BNN Bloomberg

The Twitter Inc. logo is displayed on an Apple Inc. iPhone in this arranged photograph taken in the Brooklyn Borough of New York, U.S., on Monday, April 23, 2018. , Alex Flynn/Bloomberg

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TORONTO -- Twitter Inc. is encouraging its 336 million users to change their passwords after a bug left some exposed in an internal log.

The company says it typically uses technology to mask the passwords so no one can see them, but a glitch caused them to be available in plain language.

Twitter says it has no reason to believe any of the passwords left its system and an investigation found no breaches or misuse of the data.

Twitter discovered the bug itself and says it has since been fixed.

It removed the exposed passwords and implemented plans to prevent the bug from occurring again.

Twitter says it is only asking users to change their passwords "out of an abundance of caution."

Twitter shares were down about one per cent to US$30.36 in after-hours trading Thursday.

We recently found a bug that stored passwords unmasked in an internal log. We fixed the bug and have no indication of a breach or misuse by anyone. As a precaution, consider changing your password on all services where you’ve used this password. https://t.co/RyEDvQOTaZ
— Twitter Support (@TwitterSupport) May 3, 2018

With files from BNN Bloomberg