Guides worth opening
Twenty pieces per page. The top half is what people actually open. Under that, the newest writing. Free tools live at /tools if you need a lookup, not a long read.
Most read
Two factor authentication without the confusion
SMS, authenticator apps, and hardware keys: what to turn on first, and how not to lock yourself out.
5 clicksCrypto scams: how people actually lose their coins
Not hackers. Salesmen. Pig butchering, rug pulls, fake giveaways, wallet-draining airdrops, and the recovery scam that bleeds victims twice. The warning signs of each, in plain words.
3 clicksWhat is a DDoS attack and can they hit my public IP?
A DDoS attack floods a public IP address or website until it slows down. Checking what is my IP does not cause it. Posting that IP in a game lobby can make you a target.
3 clicksA blue screen is the OS giving up
Kernel panics, stop codes, dying RAM. Usually not a genius hacker.
3 clicksWannaCry: the worm that punished skipped updates
Hospitals, a ransom screen, a patch that was already sitting there. Install it.
3 clicksWhat actually happens when you click a link
DNS, a certificate, cookies, and why a lookalike name is the whole trick.
3 clicksHTTPS, DNS, and what still leaks
A padlock hides page contents. It does not hide your IP or every name you ask for. Know the layers.
3 clicksMalware, fake apps, and greedy extensions
The download you allowed is the usual door. How to shrink it, and when to reinstall instead of ‘clean.’
3 clicksHow can I tell if someone is on my WiFi?
A public IP lookup will not name the extra phone on your network. Check the router device list, change the WiFi password, and know that hide my IP with a VPN will not kick a neighbor off.
2 clicksWhat is NAT and why does my house share one public IP?
NAT is why every device on home WiFi shows the same public IP on a what is my IP check. CGNAT is the ISP version. It does not hide you from IP lookup.
2 clicksNewly added
USB-C and the common charger: why one plug finally won
EU charger rules, why not every USB-C cable is equal, Power Delivery confusion, and how to buy one brick that replaces a drawer of orphans.
1 clickApp sideloading: installing outside the official store
What sideloading means on Android and iPhone, EU marketplace rules, malware risk, and the real fight over fees and device ownership.
0 clicksAirTags and Bluetooth trackers: lost keys vs unwanted following
How crowdsourced finders work, the stalking problem, iPhone and Android detection alerts, and how to check bags for a tag that is not yours.
0 clickseSIM explained: the SIM card that downloads like an app
How digital SIMs work for travel and dual lines, transfer headaches, privacy when buying travel data, and what stays the same about your mobile IP.
0 clicksCloud storage: who can actually read your files?
Drive, iCloud, Dropbox — what 'encrypted' means, when the company can see your photos, zero-knowledge options, and a sane backup habit.
0 clicksWhy CAPTCHAs exist — and why they got so hard
From warped text to traffic-light grids and invisible bot scores. What CAPTCHAs were for, why VPNs get challenged, and what comes next.
0 clicksSmart home security: locking down cameras, bulbs, and voice assistants
IoT botnets, default passwords, guest Wi-Fi segmentation, and a practical checklist so your lights do not open a door into your network.
0 clicksRight to repair: why fixing your own stuff became a fight
Parts pairing, tractor software locks, EU and state laws, and what repairability means when gadgets are glued shut.
0 clicksStarlink and satellite internet: how the new sky ISP works
Low-Earth-orbit dishes, why your IP city looks wrong, CGNAT, latency tradeoffs, and who satellite broadband is actually for.
0 clicksPasskeys explained: logging in without a password
How Face ID and fingerprints replace typed secrets, why passkeys stop phishing, what sync and recovery really mean, and when to switch.
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