Ryan Pendergast
GreyMatter Security Analyst @ ReliaQuest | Detection & Security Engineering • SIEM Optimization • Incident Response
- Role
- Greymatter Specialist at ReliaQuest
- Location
- Las Vegas, NV, US
- LinkedIn followers
- 500 followers
About Ryan Pendergast
Cybersecurity professional specializing in incident response, detection engineering, and…
Experience
Greymatter Specialist
May 2025 — Present · Las Vegas, NV, US
Dedicated to enhancing threat detection, accelerating response time, and increasing visibility through intelligent alert optimization, log integration, and investigative insight-Threat Detection & Response Optimization: Drive improvements in detection capabilities by analyzing and refining security alerts, reducing false positives, and aligning detection logic with dynamic threat landscapes- Technical Liaison Across SOC Operations: Collaborate with enterprise clients and technical teams to resolve complex issues across detection engineering, log integration, and SOC operations, ensuring effective and scalable security outcomes- Log Integration & Data Parsing: Configure and onboard a wide variety of log sources (e.g, Splunk, QRadar, CrowdStrike, SentinelOne) to enable accurate data ingestion and parsing, ensuring actionable intelligence is available for investigations- Security Signal Fine-tuning: Optimize Digital Risk Protection (DRP) signals and security alerts for precision, contextual relevance, and alignment with client-specific environments and objectives- Customized Detection Strategies: Develop and implement tailored detection strategies using GreyMatter Detect, addressing unique organizational needs and advanced threat scenarios- Incident Investigations & Threat Hunts: Perform in-depth investigations leveraging ReliaQuest’s Cyber Analysis Methodology, including Tier 3 incident support, proactive threat hunts, and detailed forensic reviews- Client Collaboration During Escalations: Partner with enterprise teams to resolve escalated incidents and engineering challenges, ensuring rapid and effective resolutions while strengthening overall security posture- Supporting Over Global Clients: Provide strategic guidance and technical expertise to a diverse client base, ensuring consistent success and scalability across SOC operations.
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