Jethin N

About Jethin N

I’m a Cybersecurity Engineer with 4 years of experience securing enterprise networks…

Experience

1. Cyber Security Engineer

   CVS Health

   Feb 2024 — Present

   Led the organization-wide deployment of Zero Trust Network Access (ZTNA) aligned with NIST 800-207, replacing legacy VPN infrastructure with risk-based access controls.• Integrated Zscaler Private Access with Azure AD Conditional Access and CrowdStrike XDR to enforce dynamic access based on device posture and user context.• Implemented micro segmentation across 50+ critical applications, enforcing least-privilege access and reducing lateral movement risk.• Automated access control policy rollouts and session logging using Python and PowerShell, increasing consistency and reducing manual effort by 70%.• Enforced MFA and PAM for privileged users by collaborating with IAM and compliance teams to secure access to sensitive systems.• Optimized threat detection by integrating ZTNA logs into Splunk, enabling real-time monitoring and rapid identification of suspicious activity.• Delivered technical documentation and user training to IT support and business stakeholders, ensuring smooth adoption of the ZTNA framework.• Maintained regulatory compliance with HIPAA and ISO 27001:2022 through proactive encryption, access logging, and continuous monitoring.

Education

• Sacred Heart University

  Master's degree, Cyber/Computer Forensics and Counterterrorism