Sara Mirza
GreyMatter Specialist at ReliaQuest
- Role
- Greymatter Specialist (Security Analyst) at ReliaQuest
- Location
- Tampa, FL, US
- LinkedIn followers
- 500 followers
About Sara Mirza
Cybersecurity professional with experience in threat detection, incident response, and…
Experience
Greymatter Specialist (Security Analyst)
Jun 2025 — Present · Tampa, FL, US
Security analyst supporting enterprise customers through ReliaQuest’s GreyMatter platform. Focused on improving threat detection, response efficiency, and data visibility through advanced alert tuning, log source integration, and investigative support/IR- Work with a wide variety of SIEMs and EDR technologies (CrowdStrike, SentinelOne, Microsoft Defender, QRadar, Splunk, etc.)- Serve as the primary technical contact for customers, managing issue resolution across detection, engineering, etc- Analyze alert activity and provide recommendations based on detection trends, playbook availability, and investigation outcomes- Triage and fine-tune security alerts, Digital Risk Protection (DRP) alerts, and engineering health alerts- Configure/integrate log sources across customer environments for ingestion and accurate parsing- Troubleshoot ingestion and parsing issues related to platforms including Splunk, QRadar, SentinelOne, CrowdStrike, etc- Deploy and optimize detection logic through GreyMatter Detect, tailored to customer use cases- Conduct advanced investigations, including Tier 3 incidents, ad hoc threat hunts, and customer-requested investigations- Collaborate with customers during engineering and IR escalations to ensure fast, effective outcomes.
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