Breaking and Securing Wi-Fi: Wireless Security, Its Issues and the Features of a Secure WLAN

Deep End Era. Engineering with Sankalp · Oct 29, 2026 · 1h 2m

A portable access point in a hospital lobby broadcasts the guest network name. Seven phones join before lunch. Twenty-one years after a car-park WEP crack cost TJX tens of millions of card numbers, Lina's red team shows what still works, what WPA3 fixed, and why client isolation alone is not enough after AirSnitch.

Chapters

00:00:00 Cold Open: A Car Park in Minnesota

00:02:27 Tuesday in the Hospital Lobby

00:04:38 Why WEP Fell: Fluhrer, Mantin, Shamir and TJX

00:07:33 How WEP Actually Failed: A Worked Crack by Ear

00:10:03 WPA, WPA2 and KRACK

00:13:41 WPA3, SAE and Dragonblood

00:18:39 Worked…