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
(Reuters) - Encrypted messaging service Signal said the phone numbers of 1,900 users could have been revealed in a phishing attack on Twilio Inc, its verification services provider, earlier this month.
The attacker could also have accessed the SMS verification code used to register with Signal, but message history, profile information and contact lists were not revealed, the company said in a blog post on Monday.
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