Plain-language privacy guides
Learn what each browser and network signal can support — and what it cannot prove.
How to Check Whether Your VPN Is Actually Working
A practical evidence checklist for IP changes, DNS paths, WebRTC candidates, IPv6, timezone, and common false confidence.
DNS Leaks Explained Without the Scare Tactics
What an authoritative DNS test observes, why resolver ownership is confusing, and how to interpret results responsibly.
WebRTC IP Leaks: What the Browser Test Really Means
Understand ICE candidates, mDNS masking, public versus private addresses, and what a VPN test can and cannot prove.
Why Your IP Location Can Be Wrong
How ISP gateways, mobile carriers, VPNs, databases, and routing make IP geolocation approximate.
Browser Fingerprinting: Exposure, Entropy, and Practical Limits
How ordinary browser attributes combine, why a hash is not proof of uniqueness, and what privacy tools can measure.
IPv4, IPv6, and Privacy: What Changes and What Does Not
A clear guide to address families, temporary addresses, VPN routing, and why IPv6 availability is not itself a warning.
What Information Can a Website See About You?
Separate network metadata, browser attributes, permissions, storage, and information a site cannot access without your action.
How to Read Email Headers Safely
Trace delivery hops, authentication results, timestamps, and IP evidence without assuming one field proves authorship.