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chowdhuryrz/README.md

Rohan Chowdhury

Cybersecurity Engineer Intern focused on vulnerability management, SIEM detection engineering, and threat hunting using Tenable, Microsoft Sentinel, and Defender for Endpoint.


Certifications

   

Projects

Project Description Tools
Threat Hunting: Unauthorized TOR Usage Investigated unauthorized TOR browser activity on an Azure VM, traced the full attack chain, and documented findings in a formal threat hunt report Microsoft Defender for Endpoint, KQL, Azure
Vulnerability Management Program Simulated a complete enterprise vulnerability management lifecycle including credentialed scanning, risk-based prioritization, and remediation verification Tenable Nessus, PowerShell, Bash, Azure
STIG Hardening Scripts Automated PowerShell scripts to apply DISA STIG benchmarks and remediate vulnerabilities on Windows systems at scale PowerShell, DISA STIG
Linux Log Analysis and SIEM Visualization Detected 40 malicious IPs across 2,000 lines of Linux logs using a custom Python parser, then visualized attack patterns in a Splunk SIEM dashboard Python, Splunk, SPL

Education

B.S. Cybersecurity & Information Assurance — Western Governors University (Expected December 2026)


Connect

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  1. linux-log-analysis linux-log-analysis Public

    End-to-end SOC workflow simulating brute force detection on real Linux auth logs using Python log parsing, automated threat scoring, and Splunk SIEM dashboard visualization.

    Python

  2. stig-hardening-scripts stig-hardening-scripts Public

    PowerShell scripts to remediate Windows 11 DISA STIG findings

    PowerShell

  3. threat-hunting-scenario-tor threat-hunting-scenario-tor Public

    Threat hunt investigation using Microsoft Defender for Endpoint and KQL to detect unauthorized TOR browser installation, execution, and network activity on a corporate Windows endpoint.

  4. threat-hunts threat-hunts Public

    Threat hunt reports and KQL investigations using Microsoft Sentinel