Password Managers in Practice
Nobody can remember 80 unique passwords — so stop trying. How password managers work, their hidden gotchas, and how to move from reused passwords...
Wi-Fi Deauthentication Attacks and Prevention
A single forged management frame can knock your devices off your Wi-Fi. How deauth attacks work, why older WPA2 networks are vulnerable, and how...
433 MHz Device Vulnerabilities and Prevention
The 433 MHz remotes and sensors on your garage, gate, alarm and doorbell can be captured and replayed by anyone with a cheap SDR....
Understanding Data Classification
How to classify, label, handle and destroy your organisation's data by sensitivity — Public, Internal, Confidential, Secret — with practical handling rules for every...
Zero Trust Security Model
Why perimeter security is obsolete, what 'never trust, always verify' actually means, and how organisations move to a Zero Trust architecture that assumes breach...
Incident Response and Digital Forensics
The six-phase incident response lifecycle — prepare, identify, contain, eradicate, recover, learn — plus evidence preservation and chain-of-custody basics for a calm, effective response.
Threat Intelligence and Advanced Persistent Threats
How nation-state advanced persistent threats, cybercriminals, hacktivists and insiders operate, how threat intelligence informs defence, and how MITRE ATT&CK maps attacker behaviour end to...
Secure Software Development Practices
The OWASP Top 10, shift-left thinking, secure coding practices — why building security into software from day one costs a fraction of trying to...
Cryptography and PKI Fundamentals
The essentials of modern cryptography in plain English: symmetric vs asymmetric encryption (AES, RSA), hashing, digital signatures, TLS and PKI — and where each...