RITHESH N
Network Engineer / Cybersecurity Analyst
Chennai, IN.About
Highly skilled Cybersecurity Professional with a strong foundation in vulnerability assessment, network defense, and cloud security. Certified in CCNA and AWS, bringing hands-on expertise in penetration testing, traffic analysis, and security hardening. Proven ability to leverage Python automation and open-source security tools to identify critical risks, implement enterprise-grade solutions, and enhance organizational security posture.
Work
ISR Tech ORG
|Trainee (Networking & Cybersecurity)
Chennai, Tamil Nadu, India
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Summary
As a Trainee, I designed and secured network infrastructures, conducted vulnerability assessments, and automated security tasks, enhancing enterprise security operations.
Highlights
Designed and secured complex network infrastructures, including VLANs, firewalls, and routing protocols, ensuring robust system integrity.
Conducted comprehensive vulnerability assessments using Nmap and Wireshark, identifying critical risks in diverse client systems.
Automated key security tasks with Python scripts, improving efficiency and reducing manual effort in security operations.
Managed AWS cloud environments (EC2, S3, IAM) to ensure secure and optimized cloud resource utilization.
Contributed to team development by training junior members in security best practices and participating in incident response efforts.
Education
Dr. M.G.R. Chockalingam Arts College, Thiruvalluvar University
Bachelor of Computer Applications (BCA)
Computer Applications
Awards
Inter College Football Champion
Awarded By
Inter-collegiate Tournament
Led team to victory in inter-collegiate tournament, demonstrating leadership and teamwork under pressure.
Technical Symposium Speaker
Awarded By
N/A
Presented a research paper on "Cyber Security" to an audience of over 150 attendees.
Certificates
Cisco Certified Network Associate (CCNA 200-301)
Issued By
BESANT TECHNOLOGIES
AWS Certified
Issued By
AWS
Skills
Network Security
VLANs, OSPF, ACLs, VPN, IDS/IPS configuration, Wireshark analysis, Nmap scanning (SYN, UDP, OS fingerprinting).
Penetration Testing
Metasploit framework, Burp Suite, Gobuster directory brute-forcing, Nikto web scanning.
Cloud Security
AWS EC2 hardening, S3 bucket policies, IAM role management, VPC peering security, CloudTrail monitoring.
Programming
Python (socket programming, requests, BeautifulSoup), Bash scripting.
Operating Systems
Kali Linux tools suite, Ubuntu server hardening, Windows security policies.
Firewall Management
iptables configuration, Cisco ASA policies, pfSense rule creation.
Network Simulation
Cisco Packet Tracer, GNS3 lab environments, attack scenarios.
Frameworks & Tools
Nmap, Wireshark, Nikto, Gobuster, Cisco Packet Tracer, Putty, AWS CLI, Git, VS Code.
Projects
Real-Time Network Traffic Monitoring – Neomen Designers
Summary
Implemented enterprise-wide network monitoring, capturing 2.4TB of traffic across 5 VLANs, and identified critical security incidents.
Hosted Static Website on AWS
Summary
Deployed a secure static portfolio site using AWS services, ensuring high availability, low latency, and robust security.
Hotel VLAN Simulation (Packet Tracer)
Summary
Designed and implemented a multi-floor hotel network topology with VLANs for guest/management segregation, prioritizing VoIP traffic and implementing robust firewall rules.
MITM Simulation with Bettercap
Summary
Built a comprehensive test environment to study Man-in-the-Middle (MITM) attacks, developing detection mechanisms and educational materials.
Pharmacy Inventory GUI (Python)
Summary
Developed a full-featured desktop application for pharmacy inventory management, incorporating barcode scanning, expiry alerts, and comprehensive reporting.
Python Password Vault (CLI)
Summary
Built a secure command-line password manager featuring AES-256 encryption for credential storage and integrated with HaveIBeenPwned API for breach monitoring.
Subdomain Enumeration and DNS Testing
Summary
Conducted comprehensive subdomain discovery for organizational assets and DNS zone transfer testing, identifying misconfigured name servers.