History of online security, from CAPTCHA to multifactor authentication

Dusan Petkovic // Shutterstock
History of online security, from CAPTCHA to multifactor authentication
Hands typing on laptop

MIGUEL RIOPA // Getty Images
1970s: Antivirus software
Programmer Raymond Samuel Tomlinson, the creator of reaper

isak55 // Shutterstock
1970s: Encryption
Encrypted data on a monitor

McLittle Stock // Shutterstock
2000s: CAPTCHA
A person using a laptop with a captcha on the screen

tsingha25 // Shutterstock
2000s: Multifactor authentication
A man using multifactor verification by entering a code sent to his cellphone

fizkes // Shutterstock
2010s: Zero trust
A woman entering her username and password on a laptop
