Until Signal no longer requires phone numbers for accounts, users will be vulnerable to things like this. People have been pushing them to move to a simple username / password system for years, like every other E2EE messenger out there.
While using Signal is safer than using standard SMS, don't think for a minute you are anonymous.
1,900 Signal users’ phone numbers exposed by Twilio phishing | Ars Technica
https://arstechnica.com/information-technology/2022/08/twilio-phishing-attack-exposes-phone-numbers-for-1900-signal-users/
Sidenote; Twilio is also linked with authy
@voltronic How to enable 2FA for Twilio
Install Authy
https://authy.com/guides/twilio/
Twilio, the company which owns the popular 2-factor authentication service Authy, has revealed that it has suffered a data breach. An announcement published on its website states that some of its employees fell victim to a phishing attack.
@ecksmc
Twilio's buyout of Authy is one reason why I stopped using that app and migrated to Ageis for 2FA. This was before the breach, but I'm glad I made the switch.
@voltronic yeah I have seen that app
Still using authy myself ,😱
Might need to change over lots of hassle unless your device is rooted that is then it seems simple to switch over within the ageis app settings import option < so I've heard