Cybersecurity, start here.

Every security piece on this desk in one place, grouped by the job you came to do — from the fundamentals to the business-grade cluster. 73 guides, no scaremongering, no fabricated numbers.

Start with the fundamentals 7

What the padlock really means: HTTPS and SSL, honestlyEncryption, identity, and the thing the padlock does NOT tell you — which is exactly what phishers exploit.…
What is DNS? The internet's phonebook, explained properlyNames into numbers, records into pages: what actually happens when you type an address — and why changes take …
Website security headers explained: the few lines that block whole attack classesA handful of HTTP response headers stop clickjacking, MIME sniffing and worse — and most small sites send none…
How the internet works, plainlyPackets, addresses, protocols and one world-wide agreement on shapes: the whole machine in five minutes, no ja…
HTTP status codes explained: the numbers your browser whispersWhat 200, 301, 304, 404, 429 and 500 actually mean, why 401 is not 403, and how to read a status code like a d…
DNS-over-HTTPS and private DNS: stopping the part of your browsing everyone can seeEven on HTTPS, the plain DNS lookup leaks every site you visit to whoever runs the network. Here is what encry…
A front end that survives redesigns: CSP-safe patterns that workNo jQuery, no inline scripts, no build step — the four patterns behind a 500-page site's entire JavaScript lay…

Phishing and social engineering 4

Passwords and authentication 12

Backup and recovery 4

Network, Wi-Fi and VPN 4

Devices, data and privacy 3

For a business: the high-value cluster 8

Your security checklist 1

The no-panic security checklist — score your setup in two minutesSixteen weighted checks across accounts, devices, browsing, money and backups — a live score and your next thr…

Everything else on the security desk 30

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