Sanne Maasakkers
Senior Analyst at Mandiant (now part of Google Cloud)
The Hague, South Holland, Netherlands
Summary
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Rockstar🎓
Top SchoolSanne Maasakkers is a Principal Analyst at Mandiant with nine years of hands-on offensive security and threat intelligence experience, blending government cyber defense work with industry-scale incident analysis. She researches adversary tactics and clustering of APTs, presents at top venues like Black Hat and DEF CON, and co-runs EU adversary initiatives and trainings. Beyond professional response and red teaming, she builds accessible education—founding hackchallengesforkids.com, a platform used by over 10,000 learners worldwide and adopted by schools and national campaigns. Sanne also coaches the ENISA-backed European CTF team, bringing competition-hardened tradecraft into defensive practice. Colleagues know her for translating sophisticated nation-state simulation work into pragmatic exercises and learning materials that scale across sectors.
9 years of coding experience
2 years of employment as a software developer
Pre-university Education, Pre-university Education at AugustinianumBachelor of Science (BSc), Computer Science, Bachelor of Science (BSc), Computer Science at Utrecht University
Github Skills (12)
log4j10
log4shell10
vulnerability10
spring4shell10
java9
spring9
security9
cve9
logging8
vulnerabilities8
openssl8
infosec4
Programming languages (2)
Github contributions (5)
NCSC-NL/spring4shell
Mar 2022 - May 2022
Operational information regarding the Spring4Shell vulnerability in the Spring Core Framework
Contributions:1 review, 95 commits, 17 PRs in 1 month
spring4shellsecurityoperationalspring-corespring
sannemaasakkers/Infosec-confcalendar
Jan 2023 - Jun 2024
Calendar with infosec events
Contributions:4 PRs, 21 pushes, 2 comments in 1 year 5 months
eventscalendarinfosec
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