Signal says attackers may have accessed phone numbers of 1,900 users in Twilio breach

A woman holds a smartphone displaying the Signal messaging app logo, which is also seen near her, in this illustration taken January 13, 2021. REUTERS/Dado Ruvic
Encrypted messaging app Signal said on Monday attackers may have accessed the phone numbers of 1,900 Signal users in a phishing attack suffered by cloud-communications firm Twilio Inc earlier this month.
(This story corrects sourcing to say Signal said, not Twilio, in headline, paragraph 1)