Authentication and authorization on Windows explained
Tell authentication from authorization on Windows: user versus administrator account, privilege elevation, ACL permissions and service accounts.
Browser cache, multiple profiles and password managers
Compartmentalise your browsing: browser cache, separate profiles and a password manager.
Google Passkey: how to enable it on iPhone and Android
Enable a Google passkey on iPhone and Android so you can sign in without a password.
Microsoft Passkey: how to enable it on iPhone and Android
Enable a Microsoft passkey on iPhone and Android, and understand what it replaces.
Passkeys everywhere: securing WhatsApp, Amazon, LinkedIn and more
Create passkeys on WhatsApp, Amazon, LinkedIn and every other service that accepts them.
Hacking decoded: understanding the phases of a cyber attack
Understand the phases of a cyber attack, from reconnaissance through to data exfiltration.
Password managers 2025/2026: MFA and passkeys compared
Compare password managers, their MFA and their passkeys, so you can choose your own.
Your ISP knows everything about you: taking back control of your DNS
Change your DNS so your internet provider no longer sees everything you visit.
VPNs explained simply: why I picked CyberGhost
Understand what a VPN really protects - and above all what it does not.
The fake bank adviser scam
Spot the fake bank adviser scam and know exactly what to do when the phone rings.
The risk hiding in your LinkedIn CV
See what an attacker learns about you from a LinkedIn CV, and what is better left off it.
