Sigreturn Labs.
Cybersecurity services, research & products.
An independent cybersecurity company based in Paris.
Senior security work.
Led by a researcher with a decade of experience across law enforcement and industrial security R&D. 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 service 02Reverse Engineering
Static and dynamic analysis of binaries, firmware, and proprietary protocols. Malware analysis and decryption tooling.
View service 03Vulnerability 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 service 04Training
Hands-on workshops on reverse engineering, vulnerability research, and exploitation, for security teams and law enforcement.
View servicePublic research.
Notes from the lab, on the blog.
Software products.
Built in-house, alongside our services and research.
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Engagements, partnerships, or press.