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In the next months we will present some insights we got while analyzing devices that provide so-called industrial Wireless LAN. To get a general understanding of these devices some basic knowledge about Wi-Fi and the corresponding standards is vital. This post will provide an overview of the main properties of the 802.11 standard and will explain what kind of frames one can expect to see.

What is IEEE 802.11 anyway?

The first Wi-Fi standard was published by the IEEE in … more

Capture the Flag (CTF) challenges offer a great opportunity to practice hacking skills in a controlled and legal environment. One of the most common places to look for such challenges is vulnhub.com. Vulnhub offers Virtual Machines that are configured in an insecure way, so that the user can learn new techniques.

A couple of days ago I stumbled upon the covfefe machine.