Security Analyst Incident Response
Resume:
Roy Henderson
************.*****@*******.***
https://github.com/hendo87
TECHNICAL SKILLS
Security Monitoring Security Incident Triage Azure Sentinel PowerShell Microsoft Defender ServiceNow VPN Log Analysis LAN/WAN BitLocker HIPAA Security Rule Linux Virtual Machines Microsoft 365 Admin Center NIST 800-53, ISO 27001
EXPERIENCE
Company: Northside Hospital 1/2022 – 6/2025
Title: Security Analyst
●Monitored and triaged 300+ Microsoft Sentinel alerts weekly, identifying and validating 20+ true positive incidents per month to strengthen overall threat visibility and response.
●Resolved around 95% of Microsoft Defender for Endpoint incidents within SLA, reducing average incident response time up to 35% and minimizing impact on hospital operations.
●Maintained 100% compliance with HIPAA and NIST 800-53 controls by documenting SOC processes, producing audit-ready reports that passed all external security reviews..
●Developed and optimized Sentinel analytics rules and KQL queries to fine-tune detections, reduce false positives, and improve visibility into malicious activity across hybrid infrastructures.
●Used Active Directory and Group Policy to manage user access, permissions, and system policies in accordance with internal security protocols.
●Delivered clear and calm communication during incident response, ensuring user disruption was minimized.
●Participated in change management and patching cycles to support vulnerability remediation efforts.
Company: Best Buy Geek Squad 2012 – 2022
Title: Analyst - Manager
●Oversaw incident response workflows for malware infections, system vulnerabilities, phishing attempts, and data breaches.
●Served as the escalation point for high-priority or unresolved cases, ensuring timely resolution and client satisfaction.
●Provided Tier 1–2 technical support for a wide range of consumer and business IT issues, including malware infections, system crashes, and network connectivity failures.
●Diagnosed and resolved hardware and software issues across desktops, laptops, mobile devices, and networking equipment.
●Delivered customer-focused technical solutions with a strong emphasis on security best practices, data integrity, and privacy.
CERTIFICATIONS
CompTIA Security+
Education
Associates In Applied Sciences in Information Systems Georgia Piedmont College
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