The server was still active for some time after the breach was discovered, meaning that anyone with the know-how could monitor a virtually uninterrupted stream of live data to discover a wide variety of personal information. Two-factor authentication security is considered one of the most secure methods of keeping your account safe available, but someone could have easily intercepted a 2FA code if they had access to this database. Take a look at our most secure messaging apps. A good way to ensure your data is kept safe when talking online is to use a messaging service with built-in encryption, such as WhatsApp. We’ve also got a guide on how to keep yourself safe online right here, just to make sure we’re looking after you.