The Elasticsearch license saga
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. [...]
SIEM 101 — Introduction
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: [...]
Why the SolarWinds hack matters
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 [...]
Zero Trust Architecture – What it is and what I think of it
I have been reading the Zero Trust Architecture (ZTA) publication from the NIST for quite some time now. You can find the document here: [...]
User experience versus security, that’s the challenge!
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 [...]
NorthSec 2020 Exam Solutions Challenge Writeup
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 [...]
Cyber Beats NSEC 2020 Write up
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 [...]
The challenges of modern times in information security.The target is now mobile!
Although most employees use network or cloud folders to back up business documents, some employees may back up files locally on their devices (computer, tablet, etc.), sometimes for convenience [...]
Imperfect Security
The world of computer security is always evolving, from anti-virus and firewall, all the way to DDoS protection and monitoring networks using AI, the industry relies on a plethora of solutions [...]
S-Filer/Portal v4.10.2 Released
Okiok is releasing version 4.10.2 of S-Filer/Portal™. This release is mainly a bug fixes release and does not introduce new feature in the product. Features There are no new features [...]
