I’ve noticed that 2FA tech has come a long way, starting with basic SMS codes, and now we’re moving toward things like biometrics and app-based authentication methods. I'm curious though, why has there been such a shift away from SMS-based two-factor authentication to things like biometric tokens? Are SMS codes considered unsafe now, or is it just a matter of convenience? I used to rely on SMS codes all the time, but I’m wondering if I should be looking into more advanced methods for added security. Any insights on this evolution?
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You’re spot on about the shift! SMS-based 2FA was pretty revolutionary when it first came out, but over time, vulnerabilities started surfacing. One of the biggest issues is the risk of SIM swapping, where hackers can hijack your phone number and intercept your codes. That’s why the industry is moving toward alternatives like TOTP (Time-Based One-Time Password) generators and biometrics. A hotp generator, for instance, creates time-limited codes that are much harder to steal because they change every 30 seconds or so. This is a much safer option for securing accounts, and I actually found a pretty detailed explanation of how it works here.