PricewaterhouseCoopers (PwC)
|Cyber Threat Response Analyst - Triage Leads member in a Global CSIRT/SOC
Den Haag, The Netherlands, Netherlands
Summary
Led global cyber threat response operations, leveraging advanced analytics and AI/ML to enhance detection, incident triage, and security automation within a CSIRT/SOC environment.
Highlights
Conducted comprehensive security event analysis, including log, host, and email analysis across ServiceNow, Splunk SIEM, Microsoft XDR, ProofPoint, PaloAlto, and Digital Guardian DLP, to identify and mitigate threats.
Performed in-depth cloud security analysis (Azure, GCP, AWS) and OSINT/Sandbox analysis to uncover sophisticated cyber threats.
Automated phishing ticket enrichment, processing over 20,000 similar tickets in 1.5 years, drastically improving response efficiency.
Contributed to a GenAI-based Cyber Phishbot tool, reducing phishing email analysis time by approximately 50% through automated suspicious indicator analysis.
Developed and optimized 9 new Splunk and MDE detection rules, and reviewed 25 existing rules, significantly enhancing threat detection capabilities.
Streamlined initial incident triage and escalation processes, conducting lessons learned analysis and coordinating critical communications with IT Core teams.
Leveraged GenAI prompts for efficient ticket reviews, log inspections, and comprehensive incident analysis.
Partnered with the Threat Intelligence Team to address sensitive data disclosures and execute domain takedowns, safeguarding organizational assets.