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kakshaykumar/README.md

Hi There :) - I'm Akshaykumar Kathirvelu 👋

Cybersecurity Professional · 3 Yrs Enterprise Network & Security Operations · Cybersecurity SME Intern (MSSP) · SIEM (Splunk, Sentinel, Wazuh) · Cloud Security · MS AIT (Cybersecurity) GMU '26 · Open to Full-time

Availability: Available now Open and Actively Looking for Full-time Opportunities

Roles Targeting: SOC Analyst · Security Operations · Network Security · Cloud Security

📍 United States | Open to Relocation Across the U.S. - Onsite · Hybrid · Remote

  • Authorized to work in the U.S. | F-1 OPT / STEM OPT eligible.

Currently

  • 🔒 Actively applying for full-time cybersecurity roles
  • ✍️ Writing CTF walkthroughs and Incident reports on Medium
  • 🎯 Actively working on hands-on Projects
  • 📚 CompTIA Security+ — in progress
  • ☁️ Building multi-platform cloud security assessment (AWS + Azure + GCP)

Portfolio

Real tools, real findings, real artifacts — built across coursework and independent research.

Repository What it covers
🔬 wireshark-network-threat-investigation 12 attack scenarios · 24 real .pcapng captures · MITRE ATT&CK mapped · detection thresholds documented
⚔️ applied-security-labs SQL injection with annotated attack code · RSA-2048 with real .pem keypair and verifiable .enc artifact
☁️ cloud-security-iaas Azure vs GCP default IaaS security review · IAM/logging gaps · CIS v3.0.0 / NIST hardening checklist
🦠 malware-progression-detection Malware evolution analysis · YARA detection rules (ransomware, fileless T1059.001, APT T1021)
🛡️ identity-theft-research Equifax / Cambridge Analytica / T-Mobile breach analysis · IAM controls · MFA strategy · STRIDE modeling
📡 network-security-labs Nessus vulnerability scanning · Wireshark 5-protocol analysis · NAT/VPN behavior — live environments

In Progress(artifacts will be published): Academic hands-on projects and assignments:

  • 🔒 Secure Software Development — 6 hands-on security labs
  • 📊 Information: Representation, Processing and Visualization - Understanding Victim Demographics for Violence Reduction in Chicago
  • 🧮 Data Structures & Algorithms — Shortest Path Computation for Self-Driving Cars Using Dijkstra and A* Algorithms

Experience

👨‍🏫 Graduate Teaching Assistant — GMU (Aug 2025 – May 2026)
Mentored 200+ students through IT 223 Information Security Fundamentals — labs, office hours, and graded assessments.

🛡️ Cybersecurity SME Intern (MSSP) — Comtech LLC (May – Aug 2025)
STRIDE/DREAD threat assessments, SOC validation lab, 3 technical whitepapers, CMMC readiness — healthcare and US State/Local Government clients.

🌐 Network Security Engineer L1 → L2 — Movate / HPE-Aruba (Sep 2021 – Jul 2024)
Enterprise incident response across 2,500+ switches and 3,000+ users · Splunk, Qualys, Nessus, Wireshark · 802.1X, RADIUS, TACACS+ hardening.

Technical Skills

Security Monitoring & SIEM
Splunk SPL Queries Microsoft Sentinel Wazuh Microsoft Defender Windows Event Viewer

Threat Detection & Analysis
Nessus Qualys Wireshark Nmap Burp Suite Metasploit YARA

Frameworks & Standards
MITRE ATT&CK NIST IR Lifecycle OWASP Top 10 STRIDE DREAD CVSS CIS Benchmarks

Cloud Security
Microsoft Azure Google Cloud Platform AWS
Defender for Cloud Security Command Center GuardDuty CloudTrail VPC/NSG Flow Logs

Networking & Infrastructure
HPE Comware ArubaOS CX Aruba Central Cisco Arista SolarWinds
VLANs OSPF BGP MPLS 802.1X RADIUS TACACS+ IPSec SSL/TLS

Identity & Access Management
Active Directory Azure Entra ID IAM RBAC Zero Trust

Operating Systems & Scripting Tools
Python PowerShell Bash SQL Git Linux Distros Windows

Certifications

  • 🏅 ISC2 Certified in Cybersecurity (CC)
  • ☁️ Microsoft Certified: Azure Fundamentals (AZ-900)
  • 🔍 Splunk Certified Core User Training (Hands-on Coursework)
  • 🛡️ Fortinet Certified Associate Cybersecurity (FCA)
  • 🛡️ Fortinet Certified Fundamentals Cybersecurity (FCF)
  • 🔒 TryHackMe Pre-Security Certificate
  • 🎯 CompTIA Security+ — In progress

Writing

CTF walkthroughs & Incident Writeups on Medium — documenting the thinking behind each level, not just the solution:

Background

🎓 ECE → 📡 CCNA → 🌐 HPE-Aruba Network Security (3 yrs · L1→L2) → 🔐 MS AIT Cybersecurity @ GMU → 🛡️ MSSP Cybersecurity SME Intern → 👨‍🏫 Graduate TA

Three years on the HPE-Aruba TAC team gave me a ground-level view of how enterprise infrastructure actually behaves under attack conditions — real customers, real incidents, real production networks. The security thread was always there: VAPT cycles, access control hardening, Splunk log analysis, flagging misconfigurations before they became incidents. That operational foundation is what pushed me toward formalizing the security side at GMU.

My logic: understand how everything connects, then learn how to defend it.

Connect

   

Washington DC-Baltimore Area / Fairfax, VA · Open to full-time roles in Security Operations · Network Security · Cloud Security · Available now

Pinned Loading

  1. wireshark-network-threat-investigation wireshark-network-threat-investigation Public

    Packet-level threat investigation lab using Wireshark to analyze reconnaissance, credential attacks, and insecure network traffic.

  2. cloud-security-iaas cloud-security-iaas Public

    Comparative security evaluation of default Infrastructure-as-a-Service (IaaS) configurations in Microsoft Azure and Google Cloud Platform (GCP), focus on IAM controls, storage security, encryption …

  3. network-security-labs network-security-labs Public

    Cybersecurity lab portfolio showcasing real-world experience in vulnerability scanning, traffic analysis, and network security fundamentals.

  4. applied-security-labs applied-security-labs Public

    Practical security labs: SQL injection attack with annotated code and RSA-2048 asymmetric cryptography with real keypair artifacts

  5. malware-progression-detection malware-progression-detection Public

    Analyzes the evolution of malware and explores modern techniques for detecting and mitigating advanced cyber threats.

    YARA

  6. identity-theft-research identity-theft-research Public

    Identity theft - Case Studies, Attack Vectors, Business Impact. How it could have been prevented and counter measures taken to avoid such incidents in the future.