Writing a Subdomain Discovery Tool in Crystal
Crystal is a new, compiled programming language that aims to mimic the Ruby syntax as closely as possible. Recently, @mil0sec wrote a Shodan client library for »
What is a banner?
That question was recently posed on Stackoverflow and I tried to answer it as follows: A banner is simply metadata about a service. It can contain »
Understanding the Shodan Search Query Syntax
In the early days of Shodan, we had a handful of search filters, the banners had a few properties and life was simple. Nowadays, Shodan banners »
Back to Basics: Knowing what you have connected
It's time to get back to the basics for network security. There are a lot of complicated security issues that modern companies need to deal with »
Elastic Data Exposure Grows to 3.2 PB
Stories about exposed databases have continued to pop-up over the past few years and a tweet by @GossiTheDog reminded me that the elephant in the room »