DCG420 – DEF CON Group 420 Czech republic

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Projects in the field of cyber security, active defence, open-source, CTI, data analysis and others.

Raising awareness of cyber and information security and active defence.

Cooperation with local and foreign entities.

From Static Template to Dynamic Forge: Bringing the DCG420 Standard to Life for the Detectioniers

Authors: Ondrej Nekovar and m3c4n1sm0

Dec 31, 2025 / Read More

Detection Through Deception: Making F4keH0und Work

Authors: Ondrej Nekovar and m3c4n1sm0

Oct 07, 2025 / Read More

Evolving Detection: Why We’re Moving Beyond ADS to a New Engineering Template

Authors: Ondrej Nekovar and m3c4n1sm0

Jul 04, 2025 / Read More

DCG420 updates MISP Taxonomy and Introduces New MISP Galaxy for MITRE Engage Framework

Authors: Ondrej Nekovar and m3c4n1sm0

Dec 13, 2024 / Read More

Active Cyber Defense Gray Zone v3.0 by DCG420

Authors: Ondrej Nekovar and m3c4n1sm0

Sep 08, 2024 / Read More

The other side (not the dark side) of CTI — our contribution to MISP 2.4.167

Authors: Ondrej Nekovar and m3c4n1sm0

Jan 30, 2023 / Read More

Custom methodology for DEM and ADS with Active Cyber Defense elements use

Authors: Ondrej Nekovar and m3c4n1sm0

Jan 15, 2023 / Read More

How to setup VECTR for Purple teaming (Adversary emulation)

Authors: Ondrej Nekovar and m3c4n1sm0

Jan 13, 2023 / Read More

Active Defense Gray Zone Taxonomy (ADaxo)

Authors: Ondrej Nekovar and m3c4n1sm0

Jan 13, 2023 / Read More

Active Defense Gray Zone v2.0 by DCG420

Authors: Ondrej Nekovar and m3c4n1sm0

Jan 13, 2023 / Read More

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