Password e telephone: o que têm em comum

1. Passo 1. Password — é utilizado em — Two-factor authentication. Password + a second factor.
2. Passo 2. Two-factor authentication — utiliza — SMS. Codes by SMS.
3. Passo 3. SMS — funciona como — Electrical telegraph. A short text message is the heir of the telegram.
4. Passo 4. Electrical telegraph — evoluiu para — Telephone. The telephone grew out of attempts to send several signals over telegraph lines (the “harmonic telegraph”).

Abrir Evothings