Reverse engineering
Static and dynamic analysis of binaries, firmware, and proprietary protocols. Malware analysis and decryption tooling.
Sigreturn Labs.
Cybersecurity services, research & products.
An independent cybersecurity company based in Paris.
Umbrella
Sigreturn Labs
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.
Vulnerability 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.
Incident response & threat intel
Post-compromise forensics, root-cause analysis, and timeline reconstruction. Threat intelligence on the actors, infrastructure, and malware involved.
Training
Hands-on workshops on reverse engineering, vulnerability research, and exploitation — for security teams and law enforcement.
Public research.
Notes from the lab — on the blog.
Products
Software products.
Built in-house, alongside our services and research.
Get in touch.
Engagements, partnerships, or press.