CHANDRA KUMAR A

Results-driven Network and System Administrator with 5 years of experience in IT infrastructure management and a strong focus on cybersecurity. Holds a PGDM in Cyber Security and CompTIA Security+ certification, demonstrating expertise in configuring, monitoring, and troubleshooting networks for optimal security and availability. Committed to implementing effective system solutions while delivering exceptional user support and ensuring compliance with industry standards. Known for high productivity levels, resourcefulness in network configuration, system security protocols, and disaster recovery planning.

• CompTIA Security + SYO-701
• PGDM in cyber security by Great lakes.
• Wireshark essential training- LinkedIn Learning.
• The Cybersecurity Threat landscape- LinkedIn Learning.
• Learning Splunk- LinkedIn Learning

• Reduced security breaches by 70% through systematic reporting and proactive measures to address student misuse of tablets.
• Conducted audits on 200+ tablets post-bug resolution, ensuring 100% compliance with security protocols and optimal performance across devices.
• Contributed to the national support team, assisting over 20+ implementation engineers across multiple locations with tablet-related issues, improving the support response time by 15%.
• Proactively identified and resolved bandwidth bottlenecks, ensuring 99% network uptime and minimizing disruptions to daily operations.

• MITRE Att&CK Framework: Analyzed and structured threat intelligence for two adversary groups, mapping their tactics, techniques, and procedures (TTPs) for actionable insights.
• Wireshark Packet Analysis: :Identified and verified network activity by capturing HTTP traffic, successfully recognizing the 3-way TCP handshake for accurate network performance assessments.
• Social Engineering Attack Analysis: Detected and classified 5+ phishing attempts through suspicious email analysis, preventing potential security breaches.
• Cracking a password: Executed brute-force and dictionary attacks using tools like L0phtcrack and John the Ripper to uncover weak password protocols, enhancing system security.
• Ransomware attacks: : Investigated a high-profile APT group involved in ransomware attacks, leading to the discovery of vulnerabilities in 3 systems, bolstering defense strategies.
• Port Scan using Nmap: Performed network discovery and service scans, identifying 5+ open ports and analyzing firewall logs to enhance network security.
• Endpoint Detection and Response (EDR):Evaluated 3 EDR solutions, ensuring alignment with specific security requirements and improving threat detection capabilities.
• Vulnerability Management with Nessus: Conducted vulnerability scans on 3 systems with Nessus, identifying critical vulnerabilities and enabling risk mitigation.

• Technical Capstone Project, 01/19/24, Chennai, TN, Setting up Security Operations & Monitoring using SIEM. Implement Wazuh SIEM in a cloud environment and monitor a network of 5 hosts. Practiced vulnerability Management concepts by scanning all hosts using the scanning engine.
• Leadership Capstone Project, 01/23/24, Chennai, TN, Planning Security Operations & Monitoring using Risk Control mapping for PG Program in Cybersecurity. Acquired hands-on experience and knowledge in designing Security Operations and Monitoring through the implementation of Risk Control mapping in this project.

• Led the School Hockey Team as Team Captain.
• Completed comprehensive training on Hardware and Software platforms at HCL Career Development Centre.
• Received Soft Skills training from Axiom Academy.
• Engaged in System Manufacturing Studies at HCL Info Systems, Pondicherry.
• Completed a Project Internship at SansPareil IT Services Private Limited.
• Represented the State in Hockey and the Division in Shuttle Badminton.