Head of Adversary Engagement @GreyNoiseIO

Joined June 2009
Come join our team at @GreyNoiseIO and help us disrupt attackers around the world!
Hopefully you listened when I said get your resumes ready. @GreyNoiseIO is hiring Threat Researchers who will develop and exploit first, second, and third-party access and sources to produce cyber threat intelligence that practitioners will use to detect, disrupt, and impose cost on adversaries. job-boards.greenhouse.io/gre…
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Mark Mager retweeted
I opened a role for a manager reporting to me, focused on detection engineering and threat hunting. Before I post the link, here are the inflexible criteria: - US-based - detection engineering expertise in data-constrained environments - leadership of high-performing teams
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Mark Mager retweeted
**OFFICIAL** EDR Tier List for 2026! Based on nothing but the people in chat, vibes, guests, opinions and limited experience. Thanks to @EmericNasi @ShitSecure @_JohnHammond and @domchell for jumping in as guests to help me out this time around!
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The @elastic Endpoint Protections team is expanding in Japan! We are looking for #security researchers well-versed in C / C++ and modern attacker techniques to help build our #EDR product and enhance its detection coverage. Come join our team! job-boards.greenhouse.io/ref…
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Come see @EricF0r73 and I present tomorrow afternoon @MSFTBlueHat
Introducing a few more of our incredible #BlueHat speakers: Mark Mager (@magerbomb) and Eric Forte (@EricF0r73) from @elastic will co-present “When the Levee Breaks: Exposing Critical Flaws in Wi-Fi Camera Ecosystems.” Mark leads the Endpoint Protections Team at Elastic and has extensive experience in malware analysis and reverse engineering. Eric is a Security Research Engineer with a background in embedded systems and streaming data analysis. Miriam C. Wiesner (@miriamxyra) from Microsoft will present “Echoes of Intrusion: Demystifying MS Graph API Attacks.” Miriam is a Sr. Security Research Program Manager with over 15 years of experience in IT and IT Security. She is also known for creating open-source tools based in PowerShell. Johann Rehberger (@wunderwuzzi23) will present “Breaking LLM Applications - Advances in Prompt Injection Exploitation.” Johann has over twenty years of experience in threat modeling, risk management, penetration testing, and red teaming. He has led Red Teams at Microsoft, Uber, and currently at Electronic Arts.
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Mark Mager retweeted
The 2024 @elastic Global Threat Report just dropped! 🎉🎉 Check it out for some incredible insights. 🔥🔥 Amazing job team! 👏👏
Happy #cybersecurityawareness Month! To celebrate, we’re excited to release the 2024 @elastic Global Threat Report. Explore the top threats being deployed and review our threat landscape forecasts. Download the 2024 Elastic Global Threat Report → go.es.io/4dnUjEM
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The vulnerabilities @EricF0r73 and I discovered in Wi-Fi cameras connected to the AJCloud IoT platform affect millions of devices. See our blog for more details on our findings which we shared last month @defcon @IoTvillage elastic.co/security-labs/sto…
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Auditing Windows can be a complicated task, but data that’s resistant to manipulation certainly helps. Check out the new article from @jdu2600 and learn why Kernel ETW is the best: bit.ly/4d5xoOv #ElasticSecurityLabs #cybersecurity #Windows
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