The rigor of an investigator, the independence of a lab.
Cybersecurity services, research & products, from Paris.
Europol
French Judicial Police
Quarkslab
Orange Cyberdefense
Digital Security
CEPOL
Certi-Trust
Senior security work.
Engagements deliver working code, reproducible findings, and writeups.
Forensics
Post-compromise forensics, root-cause analysis, and timeline reconstruction. Threat intelligence on the actors, infrastructure, and malware involved.
View serviceReverse Engineering
Static and dynamic analysis of binaries, firmware, and proprietary protocols. Malware analysis and decryption tooling.
View serviceVulnerability Research
Targeted auditing, fuzzing, and code review to find unknown flaws. Proof-of-concept and weaponized exploits, including modern mitigation bypasses on browsers, kernels, and embedded systems.
View serviceTraining
Hands-on workshops on reverse engineering, vulnerability research, and exploitation, for security teams and law enforcement.
View servicePublic research.
Software products, built in-house alongside our services and research. Please stand by.
A decade across Europol, the French Judicial Police, and industrial security R&D.
Sigreturn Labs is that experience, independent: the researcher you write to is the researcher who does the work.
Get in touch.
Engagements, partnerships, or press.
No sales team. Handled in confidence.
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