NorthSec 2022 Challenge Writeup
OKIOK attended the annual NorthSec event, and participated in their CTF. One of the tracks was named “OuYaYa intranet”, and its objective was to compromise an intranet from an [...]
OKIOK attended the annual NorthSec event, and participated in their CTF. One of the tracks was named “OuYaYa intranet”, and its objective was to compromise an intranet from an [...]
In this post I’ll explain the basics on using a SIEM: how to search logs and how to send alerts. This is the third post of the series “SIEM 101” where I explain the basics of a SIEM, from [...]
In this post, I’ll explain how to initially setup a SIEM so you can receive your first logs. This is the second post of the series “SIEM 101″ where I explain the basics of a SIEM, from [...]
As you may know from my posts, I like Elasticsearch. However, Elastic, the Elasticsearch company, recently announced it’s decision to change the license of it’s open-source products. [...]
In the following days, I’ll write a few blog posts explaining how to easily learn to use a Security Information and Event Management, or SIEM. But what is a SIEM? As Varonis puts it: [...]
Maybe you saw the news on the SolarWinds hack. If you didn’t, you should follow me on Twitter: https://twitter.com/TristanDostaler In this post I want to explain, in a way understandable by [...]
I have been reading the Zero Trust Architecture (ZTA) publication from the NIST for quite some time now. You can find the document here: [...]
More and more companies are pointing out that the user support service regularly receives a large volume of requests relating to users who encounter difficulties when logging on. If a [...]
The following post describes the way I solved the challenge Exam Solutions from the NorthSec 2020 CTF. A zip file containing two files was provided: SeverityHighProtector.zip [...]
In the last Northsec event, I had the chance to play with a fun audio challenge. I had never done an audio steganography challenge before, so maybe the way I did it may seem obvious for some, but [...]