Twitter announced on Tuesday it inadvertently used emails and phone numbers entered for two-factor authentication (2FA), a security measure.
Two-Factor Authentication (2FA) is a great security tool as it makes it harder for attackers to break into your.
Traditional password-and-username authentication can leave users vulnerable. In 2010 Christopher Chaney, a celebrity-obsessed cyber-stalker, got hold of a number.
Facebook is adding new measures to improve account security, with additional two-factor authentication options now available to all users..