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NishchalSreevathsa/README.md

Hi, I'm Nishchal! πŸ‘‹

πŸ–₯️ About Me

I’m a passionate Cybersecurity Professional with a strong focus on Security Operations, Threat Hunting, Incident Response, Vulnerability Management, and Cloud Security.
I have hands-on experience with Kali Linux, Metasploit, Splunk, Microsoft Sentinel, Defender, CrowdStrike, Nessus, Qualys, and Rapid 7.
I enjoy solving complex security challenges, building detection tools, and sharing my knowledge through writeups.


πŸŽ“ Education

  • Master of Science in Cybersecurity of Networks
    University of New Haven, Aug 2022 – May 2024
  • Bachelor of Engineering in Information Science and Engineering
    Visvesvaraya Technological University, Aug 2017 – Jul 2021

πŸ’Ό Work Experience

Ambrosia Systems Inc

Cybersecurity Analyst Intern | Sep 2024 – Jun 2025

  • Delivered 24x7 SOC monitoring leveraging SIEM (Splunk, ELK), EDR (CrowdStrike, Microsoft Defender ATP), and NSM solutions to detect, triage, and respond to threats in healthcare IoT environments.
  • Created custom SIEM dashboards and correlation rules, increasing visibility into anomalies and MITRE ATT&CK-mapped TTPs.
  • Automated alert enrichment using Python scripts and RegEx parsing, cutting false positives by 20% and improving MTTD/MTTR.

IQ4

Cybersecurity Analyst Apprenticeship | Oct 2022 – Jan 2023

  • Performed risk analysis, threat hunting, and vulnerability management using Splunk and simulated incident response exercises mapped to MITRE ATT&CK.
  • Delivered detailed documentation on threat scenarios and response actions.

Cerner Corporation

Delivery Consultant | Aug 2021 – Jul 2022

  • Conducted security testing and ensured HIPAA compliance of EHR systems.
  • Troubleshot build issues and resolved 90% of post-deployment issues within 24 hours.

Aum Infotech Pvt Ltd

Software Engineer Intern | Mar 2020 – Apr 2021

  • Developed chatbot workflows enhancing user experience and reducing resolution time by 35%.

πŸ… Certifications



⚑ Projects

  • Fresh Connections Grocery Chain Networks
    Designed a secure, high-availability network using OSPF, DMZ, ASA Firewalls, IDS/IPS, VPNs, VLANs, and AI-based threat detection, improving uptime by 30%.

  • Hypervisor-Based Secure Windows Environment Simulation
    Created and hardened a multi-tiered Windows environment with domain policies, WSUS, IIS, PowerShell, and NTFS security.

  • Simulated Campus Network Penetration Testing
    Performed penetration testing with tools like Metasploit, Burp Suite, Kali Linux, exploiting SQL injection, XSS, and CSRF vulnerabilities.

  • IntelliHome IoT-Based Smart Living Automation
    Architected an IoT smart home system that increased energy efficiency by 30% and reduced energy costs by 25%.

  • Securing Cloud Infrastructure with AWS IAM
    Developed scalable AWS IAM architecture for secure intern onboarding under least-privilege principles.


πŸ›‘οΈ TryHackMe Badges

TryHackMe Badge

Blue Teaming Milestones

  • Just have to deal with it
  • The Course Awakens
  • Shield Apprentice
  • Skilled Navigator
  • Terminated!

Red Teaming Milestones

  • Metasploitable
  • Pentesting Principles
  • Blue
  • Burp'ed

Foundations Milestones

  • Networking Nerd
  • World Wide Web
  • Webbed
  • cat linux.txt
  • Sword Apprentice
  • Cyber Ready

Miscellaneous

  • Calculated Risk
  • Introduction to Security Engineering

πŸ“« Connect with Me

GitHub
LinkedIn
TryHackMe


Popular repositories Loading

  1. FreshConnections-Grocery-chain-Networks FreshConnections-Grocery-chain-Networks Public

    Project on Grocery Chain Network using Cisco Packet Tracer

  2. Ethical_Hacking_Projects Ethical_Hacking_Projects Public

    Infosec Lab Ethical Hacking

  3. Intellihome-Advancing-Smart-Living-through-IoT-Based-Home-Automation Intellihome-Advancing-Smart-Living-through-IoT-Based-Home-Automation Public

    Smart Home Automation

  4. awesome-oscp awesome-oscp Public

    Forked from 0x4D31/awesome-oscp

    A curated list of awesome OSCP resources

  5. Free-DevOps-Books-1 Free-DevOps-Books-1 Public

    Forked from rootusercop/Free-DevOps-Books-1

    A curated collection of free DevOps related eBooks

  6. Cloud-Security-Project Cloud-Security-Project Public