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This is actually the first I've heard of this, re considering TOTP to be not worthwhile. Can you recommend some links to material for me to read to get up to s
by jrochkind1 1y ago
This is actually the first I've heard of this, re considering TOTP to be not worthwhile. Can you recommend some links to material for me to read to get up to speed with the argument?
- tptacek 1y agoBasically everything ever written about U2F, WebAuthn, and phishing-proof authentication generally is about the weaknesses of TOTP. The principle component of the problem is phishing.
- harshreality 1y agoThere are sites requiring TOTP to mitigate careless users using dumb passwords, because the sites can't guarantee passwords aren't reused but they can enforce TOTP. Even for phishing, doesn't it count for something that TOTP prevents asynchronous phishing (collect credentials on a fake site, try them in batches later)?
- tptacek 1y agoNo, it does not. Everybody agrees that password + TOTP is better than just plain passwords. Everything is better than just plain passwords. But I've personally worked on large, high-stakes projects where TOTP phishing was a continuous problem, and it's really difficult to solve. Since we have options besides TOTP that aren't susceptible to phishing, people shouldn't be pushing TOTP anymore.
- jrochkind1 1y agoWhat is your current to use at this moment preferred option for a general (not especially sensitive domain like banking) consumer site?
- esseph 1y agoTOTP is not phishing resistant, passkeys are. Also can screen grab TOTP.