Blog
Plain-English explainers on 2FA, authenticator apps, and account security.
August 25, 2026
What is TOTP? How authenticator apps generate 2FA codes
A plain-English explanation of TOTP — the technology behind the 6-digit codes in authenticator apps — and why it's more secure than SMS.
August 24, 2026
Authenticator app vs SMS 2FA: which is safer?
Both add a second layer of security, but authenticator apps protect against attacks that SMS can't. Here's the difference.
August 23, 2026
Lost your phone? How to recover your 2FA accounts
Losing the phone with your authenticator app is stressful but recoverable. Here's how to get back in — and how to prepare so it never becomes a lockout.
August 22, 2026
2FA backup codes: what they are and how to store them
Backup codes are your safety net if you lose access to your authenticator app. Here's what they do and where to keep them.