Kris

Computer Science PhD, AI, threat intel, cybercrime analysis, malware analysis, oosthoek.eth // Tweets on a personal basis.

[Kris @f00th0ld]

New research! Our reseach paper 'Bitcoin Battle' exposes how 7 BTC ($300K) linked to Russian intel was burned. A bold move to disrupt Russia's cyber operations. Bitcoin as a geopolitical weapon. Read more: [https://t.co/NKTvDCuCvk] #Cyber #CyberWarfare #Bitcoin #BTC

[Communications of the ACM @CACMmag]

"A Tale of Two Markets: Investigating the Ransomware Payments Economy," by Kris Oosthoek @f00th0ld, @JackHCable, and @GSmaragdakis, takes a #DataDriven approach to characterize the #ransomware ecosystem, https://t.co/qTDYYXQ88t. Plus related video at https://t.co/Y83kvylfsC.

[Jack Cable @jackhcable]

Excited to be presenting work @StanfordIO by @f00th0ld, @GSmaragdakis, and myself analyzing the ransomware payments ecosystem (based on $101M in payments from @ransomwhere_!)

See agenda at https://t.co/6YmY5FjTTl

Read the preprint at https://t.co/BEyMG6yr6V. Some takeaways 👇

[Kris @f00th0ld]

@aaronyiding @tudelft @tudelftTBM @tforcworc @Lab_CPI Congrats!

[Georgios Smaragdakis @GSmaragdakis]

🔬💻I'm really excited that our research w/@f00th0ld & @jackhcable on Ransomware markets will appear @Stanford Cryptocurrency & Societal Harm Symposium💸Tune in & attend the talk! 👉https://t.co/iUGOHf3SlC
@CyberSecTUDelft @ransomwhere_
@ERC_Research #ResolutioNet @bifoldberlin

[Georgios Smaragdakis @GSmaragdakis]

👨🏾‍💻🎙Do you want to learn about Ransomware market structure?📈Attend the talk by @jackhcable & @f00th0ld presenting our empirical analysis @UCBerkeley Security Research Lab seminar
👉https://t.co/MQ4WPFStJl
📺Zoom link:https://t.co/Ej8KDqCdkV
@CyberSecTUDelft @bifoldberlin

[Kris @f00th0ld]

@ShaneHuntley @anton_chuvakin Improving TTP extraction from binary samples, suggesting probable TTPs outside of binary runtime and linking intrusion sets, historical campaigns and actor profiles.

[Kris @f00th0ld]

@ZekiErkin Good luck, you’ll rock! Maybe ditch the coffee for Red Bull?! 😉

[SANS DFIR @sansforensics]

In their #CTISummit talk Dr. Christian Doerr and @f00th0ld share about 6 structural challenges that exist in the field. They provide a root cause analysis for each of these challenges and demonstrate how big CTI failures are the result of these problems

https://t.co/VaORue1RNt

[Kris @f00th0ld]

@phillmoore Thanks for the mention!

[Kris @f00th0ld]

Read my new blogpost with practical guidance and tips on how to establish a Cyber Threat Intelligence practice: https://t.co/TKkuzeLQZK #CTI #Ransomware #CyberSecurity #cybersecuritymonth #CybersecurityAwarenessMonth #ThreatIntel

[Vladimir S. | Officer's Notes @officer_secret]

https://t.co/o20uQfxJcE

Flash Crash for Cash: Cyber Threats in Decentralized Finance - Good Read! 🔖

In this paper, authors provide an overview of in-the-wild #DeFi security incidents.

More info: https://t.co/LXxXdUqCpW

[Kris @f00th0ld]

@whoisjonhlu @CyberSquarePeg @chr_doerr Glad to hear you liked it and thank you!

[thesilence / @thesilence.bsky.social @whoisjonhlu]

Thanks to @CyberSquarePeg for the indirect tip to a great overview of the issues and failures of CTI by @f00th0ld and @chr_doerr. Essential reading for anyone who wants to see our field do better.

#cti #threatintel #youredoingitwrong

https://t.co/RtrywVyVfI

[SANS DFIR @sansforensics]

🚨NEW VIDEO ON YOUTUBE!🚨
In this talk, Dr. Christian Doerr & @f00th0ld provide a root cause analysis for each of the challenges facing #CTI and demonstrate how big CTI failures are the result of these problems.

https://t.co/VaORue1RNt
#CTISummit

[SANS DFIR @sansforensics]

#CTISummit #GraphicRecordings

Talk:Six CTI Challenges and Their Solutions - Reaching CTI's Full Potential
Dr. Christian Doerr, Chair of Cyber Security and Enterprise Security, Hasso Plattner Institute
Kris Oosthoek @f00th0ld, Senior CTI Analyst, Rijkswaterstaat

[Katie Nickels @likethecoins]

This is the 💰 slide...here's what we need to do as a community! #CTISummit @f00th0ld

[Katie Nickels @likethecoins]

This is such a cool diagram to show how sources are clustered! Choose from different "clusters" of sources to try to decrease your bias. #CTISummit @f00th0ld

[SANS DFIR @sansforensics]

Join us at #CTISummit when Prof. Dr. Christian Doerr and @f00th0ld will share 6 #CTI challenges, their solutions, and practical takeaways to implement in your daily practice.

Learn more and register now for FREE: https://t.co/ngWsBki0nf
#threatintel

[Kris @f00th0ld]

Honoured to present my research with @cyberthreatlab at the upcoming #CTISummit, the main CTI community event.