Subnetting IPv4 – TL;DR

Estimated difficulty: 💜💜💜🤍🤍

Every time I attend a course and someone tries to explain subnetting to me, they pretty much un-teach me it and I have to go away and re-learn how it works.

Binary, Hex, Base 64, Oh My!

Estimated difficulty: 💚💚💚 Hey Securiteenies! This week we’re covering a few common numerical systems in the technology world – mostly because they’re really cool, but also because you might come across these in the wild sometime and it’s useful to know how they work and understand what they mean. We’ve Continue Reading

You Shall Not Pass: Authentication 101

Estimated difficulty: 💜💜🤍🤍🤍 Authentication. A familiar “buzzword” we see that is parroted in all things security, a selling point for many vendors, and a well-known term written (quite a lot) by pen-testers in their final reports. But what exactly is authentication? Well, in reality authentication is a complex and sizeable Continue Reading