Nurettin Ergun
Freelance Cybersecurity Expert · SOC Engineer

Cybersecurity Professional specialized in SOC Operations, Threat Detection & Incident Response.

With years of hands-on experience in SIEM, EDR, IDS/IPS, OSINT and major security frameworks, I help organizations detect, respond, and recover from cyber threats effectively.

SIEM (Splunk, Wazuh, Suricata)
EDR (CrowdStrike, SentinelOne, Cisco Secure, Sophos)
OSINT (VirusTotal, AnyRun, MXToolBox, CyberChef)
Frameworks (NIST, ISO 27001, MITRE ATT&CK)
Incident Response
Networking & Firewalls

SOC Engineering

Building and operating Security Operations Centers with SIEM/EDR integration, detection rules, and dashboards.

Threat Detection & Incident Response

Identifying phishing, malware, and advanced persistent threats. Providing forensics and rapid containment.

Compliance & Standards

GDPR, PCI DSS, ISO 27001 alignment and security program development.

Professional Experience

Riedel Networks — SOC Engineer (May 2024 – Present)
Riedel Networks — SOC Analyst L2 (Apr 2023 – Present)
CYBLU — SOC Analyst L1 (Feb 2022 – Apr 2023)
Previous SOC Analyst roles — Jan 2021 – Feb 2022

Core Competencies

Tools: Siemonster, Cisco Secure Endpoint, Sophos, Greenbone, Nessus, Wazuh, Suricata, CrowdStrike Falcon, SentinelOne, Splunk.
Frameworks: Cyber Kill Chain, MITRE ATT&CK, Diamond Model.
Networking: IDS/IPS, Firewalls, VPN, SSL/TLS.
Identity & Access Management, Privileged Access Management.
Incident Response: Phishing, Malware Analysis.

Contact

For inquiries or project discussions, feel free to reach out.

Or email directly: kontakt@nergun.de