Username Search: How One Handle Ties All Your Accounts Together
A username search can link your gaming profile, old forum posts and dating account. How it works, what WhatsMyName finds, and how to check your own handle.
Tools and services
Messengers, browsers, mail providers and privacy services, compared without marketing haze.
View Old Versions of Websites, and What They Keep About You
How to view old versions of websites in the Wayback Machine, what archived pages reveal about you or your business, and how to get them removed.
What Is OSINT? Open Source Intelligence From the Target’s Side
What is OSINT? The OSINT meaning explained from the side of the person being researched: how attackers build a profile and how to check your own trail.
Insecam and public webcams: why private cameras end up online
Insecam lists thousands of cameras nobody meant to share. How home cameras slip onto the open internet, and how to check that yours is not one of them.
Google Dorks: What Search Finds That Nobody Meant to Share
Google dorks are search operators like site: and filetype:. How they work, what a small New York dam has to do with them, and how to run them on yourself.
How to Track a Private Jet, and Why Ships Go Dark
Anyone can track a private jet, because the jet broadcasts its own position. Where the data comes from, what reporters found, and who can hide from it.
Free Satellite Imagery: How to Check a Claim Yourself
Satellite imagery is free at NASA, USGS and Copernicus. How to check whether a picture is current, compare then against now, and verify a fire in minutes.
Disposable Email: What It Hides and When an Alias Beats It
A disposable email takes thirty seconds to get. Here are the three things temp mail sites leave out, and how to tell when you actually need an alias.
What Google Knows About You — and How to See It
What google knows about me: searches, locations, YouTube, the ad profile. Where to look it all up, how the fragments become a profile, and how to rein it in.
Metadata — What Your Files Give Away About You
Metadata is data about data. Why it exposes you is shown by three real cases: a photo, a floppy disk, and one sentence from a former NSA director.
The Tor Browser — What It Really Protects and What It Does Not
The Tor Browser is seen as the door to the dark web. What it really does, whether using it is legal, whether it gets you watched, and how to spot the real one.
What a VPN Really Does — and What It Does Not
A VPN hides your IP, but it does not make you invisible. What a VPN really delivers, whether it is legal, whether the police can still find you, and where the free trap waits.