Stories about: two-step authentication  

If you have a Security Key USB, you can now use it to make sure your Google account is safe, including against phishing

Two-factor authentication trickles in, asks users to enter four-digit verification code

The system works with common authenticator apps and via SMS

All you need is the Twitter app installed on your phone

Password-cracking firm discovers security holes in Apple’s two-step verification process

The blame no longer falls on Twitter when accounts are hacked

A very useful tool for preventing unauthorized access

Data for 250,000 accounts was leaked recently so Twitter is stepping up security

Learn how to use the code generator in the mobile app to stay safe

Making it easier to ensure that everyone on your team is better protected

The feature greatly enhances security, if used properly

Many attacks would not be possible with the feature enabled