Korein Griffin
Converse,TX
Summary
Strategic Cybersecurity Analyst and Lead IT professional with a U.S. Marine Corps background in secure network operations and extensive experience in healthcare and technical leadership. CISSP-certified practitioner specializing in risk management, vulnerability assessment, and cloud networking. Currently leading teams to enhance security measures and protect critical healthcare infrastructure.
Overview
12
12
years of professional experience
1
1
Certification
Work History
Lead IT Analyst (Cybersecurity & Operations Focus)
CoxHealth
Springfield, MO
01.2024 - Current
- Lead technical resource for incident response triage; reduced critical incident ticket resolution by 20% through streamlined escalation protocols.
- Oversaw IAM for 1,200+ users; enforced least-privilege controls and conducted quarterly access reviews, ensuring HIPAA/HITECH compliance.
- Identify legacy system vulnerabilities; led migration of 300+ end-users to secure, patched environments.
- Manage $500k+ annual IT budget; implemented security review gates for hardware/software requisitions to prevent Shadow IT.
- Supervised team of 6 analysts; conducted monthly phishing awareness and secure data handling training, enhancing overall security posture.
Application Support Analyst
Rosslyn Data Technologies
Remote
01.2020 - 01.2024
- Monitored application logs and user activity for anomalies; reported SQL injection attempts and privilege escalation exploits to development teams, enhancing application security.
- Assisted in MFA/SSO implementation for enterprise clients, reducing account compromise risks.
- Created security best-practice guides for external clients on secure file transfers and API key management, improving compliance and risk mitigation.
- Conducted post-mortem analysis on outages and identified security gaps in patch management cycles, informing future security strategies.
At-Home Customer Technical Support Analyst
Apple Inc.
Remote (Springfield, MO Hub)
01.2018 - 01.2020
- Diagnosed/resolved 50+ technical cases daily, including malware removal, network security misconfigurations (Wi-Fi, VPN), and iCloud account recovery/breach protocols.
- Achieved 95% customer satisfaction score while piloting new chat-based security support channel, improving customer engagement.
- Educated customers on social engineering tactics, enhancing awareness of fraudulent support impersonation risks.
IT Procurement & Training Specialist
Burrell Behavioral Health
Springfield, MO
01.2016 - 01.2018
- Designed "Cybersecurity 101" training for 400+ clinical staff; achieved 30% decrease in phishing simulation failures within 6 months.
- Evaluated hardware/software vendors for HIPAA compliance; negotiated contracts to secure Business Associate Agreements (BAAs) with minimal risks.
- Managed lifecycle for 600+ devices; enforced NIST 800-88 standards for secure data destruction, ensuring compliance and data protection.
Help Desk Analyst
O’Reilly Auto Parts
Springfield, MO
01.2015 - 01.2016
- Troubleshot VPN connectivity for remote distribution centers, ensuring stable encrypted tunnel during peak hours.
- Managed Active Directory user provisioning and deprovisioning, enforcing password complexity and lockout policies to enhance security.
- Provided technical support for software and hardware issues across multiple locations.
- Assisted customers with product inquiries and troubleshooting via phone and email.
- Documented issues and solutions in the ticketing system for future reference.
Network Administrator
United States Marine Corps
Various Locations
01.2014 - 01.2016
- Implemented ACLs and firewall rules to segment network traffic and mitigate unauthorized access.
- Maintained and patched Cisco switches and routers to ensure secure classified and unclassified traffic, enforcing DoD STIG standards for compliance.
- Participated in cyber attack and physical infrastructure failure exercises, successfully restoring critical network services to maintain operational continuity.
- Supervised and trained 4 junior Marines on network monitoring and cybersecurity hygiene, resulting in all achieving Network Admin qualification.
Education
Bachelor of Science - Cybersecurity
Wentworth Institute of Technology
Boston, MA01.2023
Associate of Applied Science - Information Technology
Ozarks Technical Community College
Springfield, MOSkills
- Vulnerability Management
- Risk Assessment
- Incident Response
- SIEM
- Access Control
- Penetration Testing (CEH)
- Network Defense (Security/Network)
- IAM
- Azure Administrator (AZ-104)
- Azure Network Engineering
- Virtual Networks
- Hybrid Connectivity
- Firewalls
- VPNs
- TCP/IP
- LAN/WAN
- HIPAA Compliance
- ITIL v4
- Vendor Risk Management
- Policy Implementation
- Procurement
- Technical Training
- Technical Training
Certification
CISSP, Certified Information Systems Security Professional (ISC)², CEH, Certified Ethical Hacker (EC-Council), CompTIA Security+, CCNA, Cisco Certified Network Associate, CompTIA Network+, Microsoft Certified, Azure Network Engineer Associate, Microsoft Azure Administrator, (AZ-104), Microsoft Certified, Azure Fundamentals (AZ-900), AWS Certified Security, AWS Certified SysOps Administrator, ITIL v4 Foundation, Apple Certified Support Professional (ACSP)
Projects
SIEM Home Lab Simulation, Deployed Splunk Free to aggregate logs from Windows domain environment. Simulated brute-force attacks and generated custom SOC analyst alerts. Azure Virtual Network & Hybrid Lab, Designed secure Azure virtual network with subnets, NSGs, and VPN gateway. Configured routing and peered on-premises simulated environment; documented architecture for team knowledge-sharing. Healthcare Compliance Audit Checklist, Developed internal HIPAA Security Rule audit checklist for CoxHealth. Tool used by junior analysts to self-assess clinic configurations pre-audit.
Additional Information
Marine Corps Achievement Medal for excellence in network security administration., Cybersecurity mentor for 'VetSec' – helping veterans transition into cybersecurity careers., Author of 15+ knowledge base articles on secure application configuration and VPN troubleshooting.
Core Competencies
Vulnerability Management, Risk Assessment, Incident Response, SIEM, Access Control, HIPAA Compliance, Penetration Testing (CEH), Cisco Routing/Switching (CCNA), Firewalls, VPNs, TCP/IP, LAN/WAN, Network Defense (Security+/Network+), Azure Network Engineering, Virtual Networks, Hybrid Connectivity, IAM, Azure Administrator (AZ-104), ITIL v4, Vendor Risk Management, Procurement, Policy Implementation, Technical Training
Timeline
Lead IT Analyst (Cybersecurity & Operations Focus)
CoxHealth
01.2024 - Current
Application Support Analyst
Rosslyn Data Technologies
01.2020 - 01.2024
At-Home Customer Technical Support Analyst
Apple Inc.
01.2018 - 01.2020
IT Procurement & Training Specialist
Burrell Behavioral Health
01.2016 - 01.2018
Help Desk Analyst
O’Reilly Auto Parts
01.2015 - 01.2016
Network Administrator
United States Marine Corps
01.2014 - 01.2016
Bachelor of Science - Cybersecurity
Wentworth Institute of Technology
Associate of Applied Science - Information Technology
Ozarks Technical Community College