Our Experts

Our experienced, expert team

Tolga Erdemli

Tolga Erdemli

Co-founder · CISO

20 years in cyber security; CISSP, CISM. Led security architecture in banking and telecom.

Dr. Sevgi Ünlüer

Dr. Sevgi Ünlüer

Director of Threat Intelligence

PhD in malware analysis. Tracks APT group TTPs and publishes MITRE ATT&CK mappings.

Kaan Yıldırımer

Kaan Yıldırımer

Head of Penetration Testing

Holds OSCP, OSEP and CRTO. Has led more than 600 web and network penetration tests.

Deniz Aksoyan

Deniz Aksoyan

SOC Manager

Specialist in SOC build-out and maturity programmes. Runs 24/7 shifts and detection engineering.

Ece Çalgan

Ece Çalgan

Director of KVKK & Compliance

12 years at the intersection of law and information security. Led VERBİS, ISO 27001 and BDDK compliance projects.

Mert Ocakçı

Mert Ocakçı

Head of DFIR

GCFA and GCIH certified. Involved in more than 90 ransomware response cases.

WhatsApp +90 212 555 71 30 iletisim@surnet.com.tr