Bluetooth beacons in stores: can they track your phone?
Bluetooth beacons in stores only send an ID. What it takes for one to locate you, which apps are really listening, and the settings that matter.
Basics
The groundwork: how tracking actually works, which threats are real for you and where to start.
Grocery loyalty programs: what your rewards card really records
Grocery loyalty programs trade discounts for data. What the Kroger privacy notice says is collected, who it is shared with and how to opt out.
Automatic content recognition: your smart TV is watching back
Automatic content recognition lets smart TVs log what you watch, even over HDMI. How ACR works and how to turn it off on Samsung, LG, Roku, Vizio, Fire TV.
Is ChatGPT Private? What Happens to What You Type
Is ChatGPT private? What gets stored, who may read it, when chats are used for training, and which settings in ChatGPT, Gemini, Claude and Copilot matter.
Email tracking pixels: what opening an email tells the sender
An email tracking pixel tells the sender when you opened a message, how often and roughly where. What it collects, how to spot it and which settings stop it.
Is my phone listening to me? Why the ads still feel too accurate
Is my phone listening to me? What researchers and the FTC actually found, why the ads still match your conversations, and the settings that make a difference.
How to find hidden cameras in an Airbnb or hotel room
How to find hidden cameras with a flashlight, your phone and the Wi-Fi list, what research says about detectors, and what to do if you find one.
Cell site simulators and silent SMS: what your phone tells the network
What a cell site simulator (Stingray) really collects, how silent SMS location pings work, what DOJ policy allows, and which phone settings actually help.
Facebook Marketplace Scams: How Fake Buyers and Sellers Work
Facebook Marketplace scams look different every month but share one move: getting you off the platform. How to spot them, what to share, and what to do if you paid.
What is the dark web? Its real size, and how your data ends up there
What is the dark web, really? How big it is by the numbers, who uses it, how stolen data gets traded there, and what dark web scans can and cannot tell you.
What is browser fingerprinting? What your browser gives away
Browser fingerprinting recognizes you without cookies. What sites learn from your browser, what it stores locally, and which settings actually help.
What Can Someone Do With Your ID? A Calm Look at the Real Risks
What can someone do with your ID number, a photo of your ID or the card itself? What each piece unlocks, what it does not, and how to redact and report.
What is OPSEC? Why you can't vanish, but can be harder to find
What is OPSEC? A military habit of seeing yourself through an outsider's eyes. Why nobody is truly invisible online, and what still makes you hard to find.
Advertising ID: what the Databroker Files reveal about your phone
A US broker gave away 3.6 billion phone locations from Germany as a free sample. How the advertising ID turns dots into lives, and what resetting it really does.
What Is Malvertising? When a Helper App Search Becomes the Trap
What is malvertising? Your keys work again. The app you installed to fix them is quietly reading along. How Mac users get herded into the trap.
How to Stop Sharing Location, and Who Can See Yours Now
How to stop sharing location on iPhone, Google, WhatsApp and Snap Map, how to check who can see my location, and why ending it safely needs a plan.
SIM Swap Scams: Where Criminals Get the Data to Take Your Number
A sim swap starts long before anyone calls your carrier. What attackers need to know, where it sits in public, and how to lock down your number and account.
Romance Scam: How to Check a Profile Before You Send Money
A romance scam follows the same script every time. How to spot it, how to check romance scammer pictures yourself, and what to do if money is already gone.
Passkey vs Password: What Changes When You Stop Typing Secrets
Passkey vs password, explained without hype: what a passkey is, why phishing fails against it, and what happens when your phone is lost or you switch.
How to Spot a Phishing Email When It Looks Perfect
How to spot phishing email even when the grammar is flawless: the checks that still work, what to do after a click, and where to report it in the US.
AirTag Found Moving With You? What It Means and What to Do
Got an "AirTag Found Moving With You" alert? How to detect an AirTag, save the evidence, decide about the battery, and find trackers your phone misses.
Do RFID Wallets Work? What Real NFC Scams Look Like
Do RFID wallets work, and do you need an RFID blocking wallet at all? Usually not. Where tap-to-pay fraud really happens, from Ghost Tap to NFC relay apps.
Quishing: How QR Code Scams Work and How to Spot One
Quishing is phishing with a QR code. Real cases from parking meters to fake tickets, how to read the hidden address before you tap, and what to do after a scan.
Trace IP Address Location: What Is Actually Visible
You can trace an IP address location down to a provider and a rough region, but never to a doorstep. How IP geolocation really works, and where the trail stops.
Whose Number Is This? Reverse Phone Lookup, Honestly
Whose number is this: which reverse phone lookups actually work, where the paid ones start lying, why caller ID proves nothing, and how to get your own number delisted.
Grandparent Scam: How Callers Know Your Name Before They Dial
The grandparent scam explained from the data side: where callers get names and numbers, why the police number shows on your screen, and how voice cloning changed it.
Smishing: How Text Message Scams Work and How to Spot Them
Smishing is phishing by text message. Why the trick fails in your inbox but works on your phone, how to read a scam text in seconds, and where to report one.
Spam Calls: What Works, What Does Not, and Why They Get Through
Block spam calls, spot the scripts, report the number. And the real question: why America makes carriers sign every call while Europe just filters.
Spoofing: How Faked Caller IDs Work and How to Stay Safe
Spoofing fakes the sender identity on calls, email and text messages. Why the number on your screen proves nothing, and the one habit that reliably protects you.
Call Anonymously: What Stays Hidden and What Does Not
Call anonymously and your number vanishes from one screen only. What your carrier still logs, who sees it anyway, and why a withheld number cannot be traced.
Am I Hacked? What Actually Counts as Evidence
Am i hacked? Why a hot battery and pop-ups prove nothing, which signs really matter, how to check your phone and accounts, and what to do first if it is real.