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Olaf Hartong
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Olaf Hartong

@olafhartong
@FalconForceTeam | researcher with a camera | Microsoft MVP | Snow man role model
The Netherlands
olafhartong.nl
Joined October 2009
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  • Pinned
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    Olaf Hartong
    @olafhartong
    Feb 11, 2023
    If you are a user of Microsoft Defender for Endpoint or are considering it you might find this series useful. A 🧵 The first edition covers the differences between #MDE and #Sysmon and telemetry acquisition 1 - Sysmon vs Microsoft Defender for Endpoint medium.com/falconforce/sy…
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    Olaf Hartong
    @olafhartong
    Aug 26
    New blog: I’m in your logs now: deceiving analysts and blinding EDRs Based on my BlackHat talk from last year, so you don't have to listen to my voice ;) Some exploration into ETW spoofing and buffer pool exhaustion. medium.com/falconforce/im… #FalconForce #ETW #EDR #Evasion
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    Olaf Hartong
    @olafhartong
    Aug 24
    One of the toughest things with defensive work is every AI companies favorite word... DATA. But us ethical plebs can't train or run evals on customer data. Inspired by @rikvduijn, I'm trying to build a tool with correlated pseudonimization to bench agents on real, cleaned data.
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    Olaf Hartong
    @olafhartong
    Aug 18
    @GxAce7 your email got me mega excited. This is likely exactly what I've been waiting for!
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    Olaf Hartong
    @olafhartong
    Aug 14
    BlackHat and DEF CON, Las Vegas, 2026