T-Mobile, AT&T and other mobile carriers are reminding customers to take advantage of free services that can block identity thieves from easily “porting” your mobile number out to another provider, ...

Many people worry that quantum computers will be able to crack certain codes used to send secure messages. The codes in question encrypt data using “trapdoor” mathematical functions that work easily ...

Twitter has said it used phone numbers and email addresses, provided by users to set up two-factor authentication on their accounts, to serve targeted ads. In a disclosure Tuesday, the social media ...

The two-factor authentication (2FA) system Apple developed to protect access to your Apple ID account and associated purchases and the ability to make purchases has safeguards in place to make sure ...