Digital signatures can be used to verify the identity of another party, check the integrity of data and provide non-repudiation. Find out how they work in our comprehensive guide.

NAT firewalls can be helpful or a hindrance depending on what you're doing. In this article, we'll discuss how NAT works on routers and VPNs.

The California Consumer Privacy Act (CCPA) is now in effect. Here's how to check if you're affected, learn about the new rules, and get your organization compliant.

SSH is a security protocol used for remote login, tunneling and much more. Find out how it works, what it does and whether it is secure.

Doxxing can be a particularly unpleasant form of attack, sometimes with dire consequences for victims. We take a look at what doxxing is and how you can stay safe from this type of attack.

UK readers, beware of this scam targeting BT Internet customers over the phone that cost one woman £34,000. Tech support scams like these often target the elderly and vulnerable, so be sure to warn your parents and grandparents.

Parts of the new EU Copyright Directive, in particular Article 13, have disgruntled major publishers, including YouTube and Twitter. Find out about the EU’s seemingly drastic approach to online copyright laws and what it means for publishers and internet users.