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Timo

Allow listing during pentests or other security assessments

When setting up for a penetration test, there’s a question to be discussed between the client and the tester: Should the IP address of the…

Nov 12, 2024

Allow listing during pentests or other security assessments

Nov 12, 2024

From ChatGPT’s hallucinations to a solid fake profile on LinkedIn

The fact that ChatGPT’s answers to given questions are not always very truthful is neither surprising nor unknown. While playing around…

Apr 22, 2023

Apr 22, 2023

We need to take care of our (Cyber Security) professionals

After attending Douglas Brush’s talk about mental health in Cyber Security a long time ago I took the chance to have more deeply…

Dec 21, 2022

We need to take care of our (Cyber Security) professionals

Dec 21, 2022

OSINT Challenge — Finding and following IOCs

The OSINT Dojo set the task on Twitter to find indicators of compromise (IOCs) for an IP address as well as finding other compromised…

Aug 28, 2022

OSINT Challenge — Finding and following IOCs

Aug 28, 2022

Setting up a pentesting environment in Hyper-V

Sometimes there are some prerequisites that force you to have Hyper-V running on the host operating system, which results in VMware or…

Jun 29, 2022

Setting up a pentesting environment in Hyper-V

Jun 29, 2022

Bypassing perimeter security with VHD files

Security analysts are currently discussing again about creative delivery methods of payloads. For example, it has been observed that right…

Apr 27, 2022

Bypassing perimeter security with VHD files

Apr 27, 2022

Network Threat Hunting — The Quiethub case

I wanted to get my hands dirty and to take the opportunity of analyzing network traffic that has been generated by malware. Therefore, I…

Mar 2, 2022

Network Threat Hunting — The Quiethub case

Mar 2, 2022

OSINT Challenge — On the road to Estonia

In December 2021 the OSINT Dojo invited the community to solve a traditional image-based geolocation OSINT challenge. They have asked for…

Jan 22, 2022

OSINT Challenge — On the road to Estonia

Jan 22, 2022

Cracking Challenge — TryCrackMe

After using Ghidra for pulling out a license key within a very easy reverse engineering challenge, I wanted to use Ghidra’s functionality…

Jan 12, 2022

Cracking Challenge — TryCrackMe

Jan 12, 2022

OSINT Challenge — find the mural

I have stumbled upon the Twitter account of OSINTDojo and their challenge to find a certain mural along with the respective artist…

Jan 10, 2022

OSINT Challenge — find the mural

Jan 10, 2022

Timo

Timo

I am a tech enthusiast, an audio engineer and a home brewer. These medium.com stories are used by myself as my personal logbook.

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