John E. Darnell
Cyber Security | Application Security Architecture | Risk Management | Threat and Vulnerability Management | Attack Surface Management | Cryptography PKI
- Role
- Senior Threat & Vulnerability Management Engineer at Humana
- Location
- Louisville, KY, US
- LinkedIn followers
- 500 followers
About John E. Darnell
Leadership | Application Security | Threat & Vulnerability Management | Attack Surface Management | Risk Management | OWASP Penetration Testing |(VeriSign) Cryptographic Software Engineer | Enterprise Protection | Defense In Depth | Security ArchitectureAs a Principal CyberSecurity Engineer, I provide Leadership, Threat Protection, Application Security and overall Security Architectural Guidance and Enterprise Protection to fortune 100 companies. My efforts have earned recongnition such as the APEX AWARD for adaptability, innovation, quality and sustainability. I have saved my company 1.5 Billion dollars by creating a Security Algorithm to address all attack surface issues and vectors, resulting in bringing my company to compliance and saving our multi-billion dollar contracts.
Experience
Senior Threat & Vulnerability Management Engineer
Apr 2020 — Present · Louisville, KY, US
Secured a 1.5 Billion Dollar contract by building Security Posture and Reputation Scores for Humana.• Leading Web Application Security and Reputation Management Program improving Security Posture of Humana\'s Attack Surface. • BitSight Technologies, Security Scorecard and Risk Recon defect remediation and public score improvement for Humana. • 210 point Security Score increases and a Delloite maturity rating exceeding 4.0. • Increased Humana Public Security Rating for BitSight by 150 points in 6 months ensuring billions of dollars of revenue that have security ratings attached to regulatory requirements. • Improved Security Score Card and Risk Recon Security Ratings by over 40% meeting compliance requirements for CyberInsurance and Underwriting. • Risk IQ Foot printing solution determining the Humana external footprint and Attack Surface. • Operationalized Risk IQ Foot-Printing Data for the external attack surface to identify and remediate risks and vulnerabilities. DNS Hijacking, Certificate Health, Outdated Frameworks, Rogue Mobile Applications, and Page Data.
Education
University of Kentucky
Computer Science
Skills
- Active Directory
- Unix
- Windows Server
- Information Security
- System Deployment
- Servers
- Operating Systems
- Firewalls
- Microsoft Exchange
- Cloud Computing
- Cyber Warfare
- Information Security Management
- Databases
- Cyber Defense
- Disaster Recovery
- Vmware Esx
- Cisco Technologies
- Security
- Enterprise Architecture
- Iis
- Dhcp
- Troubleshooting
- Data Center
- Software Documentation
- Sql Server Management Studio
- Technical Support
- Vmware
- IT Operations
- Vpn
- Publ
- System Administration
- Microsoft Sql Server
- Virtualization
- Network Security
- Microsoft Certified Professional
- Sharepoint
- Dns
- Integration
- Group Policy
- Microsoft Technologies
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