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A glass checklist panel with orange ticks, a shield, a padlock and a magnifying glass on a dark backgroundGuide

A plain-English website and app security checklist for small businesses

Twenty-eight checks you can run yourself in an afternoon, from forgotten admin logins to unlocked domains. No security degree needed.Nov 5, 2026 · 9 min read
A browser window labelled .env with glowing orange keys spilling out and a warning shield beside itGuide

Exposed .env files and leaked API keys: how to check your site and what to do next

A public .env file or leaked API key hands over your database and payments. Test your site in minutes and learn what to do if you find one.Nov 5, 2026 · 8 min read
A PHP code window with a warning triangle and a tick, surrounded by speed gauges, charts and a wrenchPHP

Common PHP errors and how to fix them without breaking your live site

What common PHP errors mean, how to find the real cause, and the settings that stop errors leaking to visitors on your live site.Nov 5, 2026 · 10 min read
Concentric glass walls protecting a central chip, with a glowing line routing around the outer barrierVulnerability

The Next.js middleware bypass (CVE-2025-29927): why one login check isn't enough

In 2025 a single header could skip Next.js middleware, and the login checks inside it. What happened and how to stop one failure opening every door.Nov 5, 2026 · 7 min read
A blue error screen at the centre of a network of servers, with a severed orange connectionOutage

The CrowdStrike outage of July 2024, explained for small teams

A faulty update crashed millions of Windows machines in July 2024. It wasn't a hack, and the lessons on releases and rollbacks apply to any team.Nov 5, 2026 · 7 min read
A terminal window passing code toward a glowing orange cube, with a padlocked shield on the rightPHP

PHP CVE-2024-4577 explained: the Windows flaw that let attackers run code

A Windows character-conversion quirk made PHP in CGI mode open to remote code execution in 2024. What it was and how to check your server.Nov 5, 2026 · 6 min read
A glass database tower cracking open with orange light and files scattering across a networkHack

The MOVEit breach explained: how one SQL injection exposed so many organisations

In 2023 attackers used a SQL injection flaw in MOVEit Transfer to steal data from huge numbers of organisations. What it is and how to prevent it.Nov 5, 2026 · 7 min read
A Java terminal window at the centre of a branching network, with one glowing orange node under a shieldVulnerability

Log4Shell explained: what happened and how to check your own software

In 2021 a flaw in a popular Java logging library let attackers run code by getting a server to log a string. The lesson: know what's in your software.Nov 5, 2026 · 7 min read