Kostas – Medium

Kostas

Kostas

My Favourite Security-focused GPO: Stopping Script Execution with File Associations

Some time ago, I stumbled upon an excellent post by Red Canary[1] that introduced a clever method to prevent users from accidentally…

Nov 4

Nov 4

Kostas
in
Detect FYI

Unintentional Evasion: Investigating How CMD Fragmentation Hampers Detection & Response

Discover how CMD command fragmentation creates security blind spots, letting attackers evade detection and complicate investigations.

Oct 3

Unintentional Evasion: Investigating How CMD Fragmentation Hampers Detection & Response

Oct 3

Kostas

Telemetry on Linux vs. Windows: A Comparative Analysis

A look at how Windows and Linux manage telemetry to support incident response operations.

Sep 3

Sep 3

Kostas

Behind the Scenes: The Daily Grind of Threat Hunter

I turned a Twitter thread into a blog post on the topic of threat hunting. This is an example of the real-world steps involved during a…

Nov 29, 2023

Behind the Scenes: The Daily Grind of Threat Hunter

Nov 29, 2023

Kostas
in
InfoSec Write-ups

Understanding Red to Be Better at Blue: Navigating New CrackMapExec Updates

How to research and develop detection and hunting techniques based on new features from commonly-used penetration testing frameworks.

Sep 5, 2023

Understanding Red to Be Better at Blue: Navigating New CrackMapExec Updates

Sep 5, 2023

Kostas

Threat Hunting Metrics: The Good, The Bad and The Ugly

Threat hunting is a crucial aspect of information security, but measuring its effectiveness can be challenging. In this article, we will…

Aug 21, 2023

Threat Hunting Metrics: The Good, The Bad and The Ugly

Aug 21, 2023

Kostas

Ursnif VS Italy: Il PDF del Destino

Jul 18, 2023

Ursnif VS Italy: Il PDF del Destino

Jul 18, 2023

Kostas

Public Opinion Survey Results: You’re Pwned

I am starting these short-form blog posts that aim to provide insights into attackers’ actions once they gain access to a network. Although…

Jul 5, 2023

Public Opinion Survey Results: You’re Pwned

Jul 5, 2023

Kostas
in
Detect FYI

EDR Telemetry Project: A Comprehensive Comparison

Endpoint Detection and Response (EDR) products have become essential to organizations’ cybersecurity strategies. As a result, understanding…

Apr 19, 2023

EDR Telemetry Project: A Comprehensive Comparison

Apr 19, 2023

Kostas
in
Detect FYI

Threat Hunting Series: Detection Engineering VS Threat Hunting

Threat hunting is becoming mainstream, and despite the attention it receives, many people need help to differentiate it from other roles…

Feb 21, 2023

Threat Hunting Series: Detection Engineering VS Threat Hunting

Feb 21, 2023

Kostas

Kostas

I am a security researcher. My interests lie in #ThreatIntel, #malware, #IR & #Threat_Hunting. I either post here or at http://thedfirreport.com/

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