Two-Factor Auth (2FA): Why SMS Is Not Enough

2FA adds a second lock beyond your password. But SMS 2FA can be bypassed via "SIM swapping" — an authenticator app is safer.

What 2FA Is

Two-factor auth requires a second proof beyond your password at login/withdrawal: a one-time rotating code. Even if your password leaks, an attacker without the second factor cannot get in. Enable it on every exchange account.

Why Not SMS

SMS codes can be stolen via "SIM swapping": an attacker social-engineers your carrier into porting your number to their SIM, intercepting your codes. Prefer an authenticator app (TOTP-based) or a hardware security key, save your backup codes, and disable weak "SMS recovery" paths.