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to be clear they are not able to "bypass" TOTP or mobile-app-based MFA in the way security folks think of that term. They were able to bypass humans[1], which a
by maerF0x0 4y ago
to be clear they are not able to "bypass" TOTP or mobile-app-based MFA in the way security folks think of that term. They were able to bypass humans[1], which are often the weakest link in security related matters.
[1]: "Twilio became aware of unauthorized access to information related to a limited number of Twilio customer accounts through a sophisticated social engineering attack designed to steal employee credentials. This broad based attack against our employee base succeeded in fooling some employees into providing their credentials. The attackers then used the stolen credentials to gain access to some of our internal systems, where they were able to access certain customer data. " https://www.twilio.com/blog/august-2022-social-engineering-attack https://www.twilio.com/blog/august-2022-social-engineering-a...
- tialaramex 4y agoI would consider myself "security folks" and while maybe I wouldn't choose the word "bypass" the effect is that TOTP is basically useless against phishing and always was, and I don't object to that word from lay people. At Cloudflare, or Google, or several other places that took this seriously, "fooling some employees into providing their credentials" doesn't get you anywhere. With WebAuthn your employees don't have a way to give bad guys credentials the bad guys can use - no matter how badly they were fooled. TOTP is effective against credential stuffing, but it does nothing for phishing.