Arun Reddy

About Arun Reddy

Cybersecurity Analyst with 4+ years of experience in Security Operations Center (SOC) environments, specializing in threat detection, incident response, and vulnerability management across financial, healthcare, and defense sectors. I have hands-on experience monitoring and analyzing security events using SIEM platforms such as Splunk, IBM QRadar, and Microsoft Sentinel to detect anomalies, investigate incidents, and respond to cyber threats in real time. My core expertise includes: • Security monitoring and alert triage (50+ alerts/day) • Incident response and forensic investigation • Threat hunting using MITRE ATT & CK framework • Vulnerability assessment using Nessus and Qualys • Endpoint and network security analysis (Wireshark, CrowdStrike) • Identity & Access Management (Azure AD, Okta) I have successfully contributed to: Detecting and mitigating phishing and credential-based attacks Reducing vulnerabilities across enterprise systems Improving SIEM detection rules and response workflows Supporting compliance with NIST and ISO 27001 standards I am passionate about protecting enterprise systems, continuously learning new security technologies, and contributing to high-impact cybersecurity teams.

Experience

1. Cyber Security Engineer

   Change Healthcare

   Jan 2025 — Present · Hartford, CT, US

   Monitor and analyze security alerts using Splunk SIEM to detect suspicious activity and respond to incidents.Conduct vulnerability assessments and penetration testing using tools like Nessus, Burp Suite, and Metasploit.Perform threat hunting and log analysis using MITRE ATT & CK framework to identify advanced threats.Collaborate with IAM teams using Azure AD and Okta to enforce least privilege access.Develop Python automation scripts for log analysis and incident response workflows.

Education

• Sacred Heart University

  Master's degree, Cyber security