Security guides
5 guides in this topic.
Is public Wi-Fi safe? Risks and how to protect yourself
Free Wi-Fi in cafés, hotels and airports carries real risks, from fake hotspots to snooping. Learn what can go wrong and eight practical ways to stay safe.
Security · 2 min readWhat is a DDoS attack?
A DDoS attack floods a website, server or home connection with traffic from many sources. Learn the main types, the warning signs and how to stay safe.
Security · 2 min readWhat is HTTPS and what does the padlock mean?
HTTPS encrypts the connection between your browser and a website. What the padlock does and does not prove, how TLS certificates work and what HTTPS hides.
Security · 2 min readWhat is IP allowlisting (whitelisting)?
IP allowlisting lets only approved IP addresses reach a server, admin panel or API. How it works, when it helps and its limits with dynamic IPs and VPNs.
Security · 2 min readWhat is IP spoofing?
IP spoofing forges the source address of network packets. How attackers use it in DDoS attacks, why it cannot be used for browsing and how it is stopped.