The Diffie-Hellman key exchange was one of the most important developments in public-key cryptography. Find out why it's still such an important aspect of internet security.

Split tunneling allows you to choose which devices, apps, or websites use a VPN connection and which use a direct connection. Find out more about this handy feature and the best VPNs for split tunneling.

Businesses are liable for securing their own data as well as that of customers. We explain how to protect information from various threats.

68 percent of secondhand USB flash drives sold in the US, and 67 percent sold in the UK, still contain recoverable data from their previous owners, according to a new study by the University of Hertfordshire and commissioned by Comparitech.

Social engineering is a tactic used by cybercriminals to manipulate people into divulging information, often with the ultimate goal of financial gain. Find out more about what social engineering is and why it works, as well as what you can do to avoid it.