Biography
RFS is a distinguished security researcher and penetration tester with over 15 years of experience in telecommunications security. Specializing in mobile network security, signaling protocols, and unified communications, RFS has contributed significantly to the field through research, tool development, and vulnerability discoveries.
With expertise spanning from legacy 2G/3G networks to modern 5G infrastructure, RFS has conducted security assessments for major telecommunications providers worldwide, identifying critical vulnerabilities and helping secure essential communications infrastructure.
As a red team operator, RFS has developed specialized methodologies for testing telecommunications security, including custom tools for SS7, Diameter, SIGTRAN, and SIP protocol analysis. These methodologies have been adopted by security teams globally to improve their security posture.
RFS is committed to sharing knowledge with the security community through research publications, open-source tools, and comprehensive educational resources on telecommunications security.
Certifications & Qualifications
- OSCPOffensive Security Certified Professional
- OSCEOffensive Security Certified Expert
- CISSPCertified Information Systems Security Professional
- GXPNGIAC Exploit Researcher and Advanced Penetration Tester
- MScMaster of Science in Cybersecurity
Speaking Engagements
- Black Hat USA 20245G Security: Attacking the Next Generation
- DEF CON 32Breaking Diameter: New Attack Vectors in 4G Networks
- GSMA Mobile 360 Security ConferenceSecuring Telecommunications Infrastructure
- RSA Conference 2023Signaling Attacks: From SS7 to 5G
- CCC (Chaos Communication Congress)SIM Card Security: Past, Present and Future