IT security

What is two-factor authentication?

Two-factor authentication (2FA) is a key measure to increase security by providing an additional protective shield against unauthorized access. Instead of relying solely on a password, the process prompts users to... [...]

Root and jailbreak: Limited access to Android and iOS

The Android and iOS operating systems grant users limited access to profound system functions. This approach protects the software from harmful or unintentional changes, but at the same time limits the flexibility of the devices. Who beyond these limits... [...]

VPN Basics: Protection against data traces on the Internet

Service providers, state institutions and criminals can theoretically track any Internet access, including the pages visited and the data they have sent. A Virtual Private Network effectively obscures these connections, both on the computer and on the smartphone or tablet. [...]
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