Public Wi-Fi and Hotspot Safety
Free public Wi-Fi is not what it seems. Evil-twin hotspots, rogue captive portals, and auto-join betrayal can hand your data to attackers. What makes...
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....
Network Security Fundamentals
How firewalls, VLANs, network segmentation, VPNs and intrusion detection work together to protect your organisation — the fundamentals every business owner and IT person...
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Why perimeter security is obsolete, what 'never trust, always verify' actually means, and how organisations move to a Zero Trust architecture that assumes breach...
Wireless Network Security
How wireless security standards actually work, why the shared PSK on every device is a security nightmare, and how WPA3-Enterprise, separate SSIDs and rogue-AP...