Divya Bharathi Narayanan
Chennai
Summary
Cybersecurity Analyst with over 4+ years of hands-on experience in SOC operations, incident response, and vulnerability assessment in enterprise environments. Exposure to L1/L2 SOC monitoring, phishing and malware investigation, and endpoint protection using tools such as Splunk, Carbon Black, Nessus, and Rapid7 InsightVM. Familiar with ISO 27001, ISO 22301, and IEC 62443 standards, with foundational understanding of Industrial Control Systems and Operational Technology. Proven ability to collaborate with cross-functional teams, follow incident response procedures, and contribute to the implementation of security controls and monitoring solutions.
Overview
9
9
years of professional experience
1
1
Certification
Work History
Cyber Security Analyst
Tactix Sener Group
09.2023 - 09.2024
- Provided L1 and L2 IT support to 250+ users, managing over 30 daily tickets.
- Created CSOC architecture in Revit incorporating SIEM.
- Developed security policies aligned with IEC 62443 for Transport for NSW.
- Conducted zone-level ICS assessments based on Purdue model.
- Assisted in Splunk deployment with senior consultants.
- Conducted 5+ risk workshops and completed risk registry.
Systems Engineer
Extranet Systems
07.2022 - 08.2023
- Conducted vulnerability assessments using Horizon3.ai and Nessus for Illawarra Retired Trust (IRT Aged Care).
- Managed and monitored Cisco Meraki networks; provided traffic analysis reports and maintained infrastructure across IRT branches.
- Provided system administration support and deployed Teramind with Azure AD and GPO integration for ACT XM users.
- Installed network wiring, cabling, and IoT sensors (Milesight LoRaWAN) to enhance operational efficiency and foot traffic monitoring.
- Configured and monitored Teramind policies; generated automated reports on device status, backups, and user activity for management.
Associate Security Analyst Intern
Securemation
03.2022 - 06.2022
- Created monthly VA reports using Rapid7 InsightVM.
- Performed ISMS documentation: SoA, RACI matrix, Risk Treatment Plan.
- Ensured ACSC Essential 8 compliance; prepared gap analysis.
Security Analyst
TNQTech
11.2019 - 12.2021
- Conducted VA on web apps using Burp Suite, OWASP ZAP, and manual testing.
- Monitored network activity via Wireshark and blocked DLP via Symantec.
- Created dashboards in Splunk with indexes for logs.
- Monitored security events and alerts using Splunk for 1000+ endpoints in real-time.
- Performed L1 triage of security incidents, including malware infections, phishing emails, brute-force attempts, and suspicious traffic alerts.
- Documented incident findings, escalation steps, and response actions based on incident severity and SLA.
- Escalated critical events to L2 analysts and collaborated with incident response teams for containment.
- Generated daily SOC reports and maintained logs to ensure audit readiness.
- Responded to email alerts and performed URL analysis using tools like VirusTotal, Any.run.
- Conducted basic packet analysis using Wireshark to identify anomalies in traffic flow.
- Patched 650+ systems for Log4j within 3 days; ensured ransomware protection.
- Supported ISO 27001/22301 documentations and risk management.
- Conducted phishing awareness training and internal audit corrective actions.
Admin Assistant
Debt Recovery Appellate Tribunal, Govt of India
05.2015 - 04.2017
Education
Bachelor of Science - Information Technology
Sathyabama University
Chennai, India01.2015
Skills
- SOC Monitoring & Incident Response
- Vulnerability Assessment & Management (Nessus, Horizon3ai, Rapid7 InsightVM)
- Malware & Phishing Analysis
- Endpoint Security (Carbon Black, Symantec)
- SIEM: Splunk
- Backup Solutions: Acronis Cyber Protect
- Network Tools: Wireshark, Burp Suite, OWASP ZAP
- IT Infrastructure: Cisco Meraki, Intune, Okta
- Standards: ISO 27001, ISO 22301, IEC 62443, ACSC Essential 8
- Programming: HTML, JavaScript
- OS: Windows, Linux, Mac
Certification
- Certified Ethical Hacker (CEH) – EC-Council
- ISO 22301:2019 Lead Implementer – BCMS
- CSI | CNSS Certified Network Security Specialist
- CompTIA Security+ (Completion)
- VMware Technical Sales Professional
- Rapid7 InsightVM Certificate
- Nessus Proficiency Certificate
- AWS Cloud Practitioner Essentials
- LetsDefend Malware Analysis Skill Path
- ANZ, AIG, Telstra Cybersecurity Virtual Experience Programs
Timeline
Cyber Security Analyst
Tactix Sener Group
09.2023 - 09.2024
Systems Engineer
Extranet Systems
07.2022 - 08.2023
Associate Security Analyst Intern
Securemation
03.2022 - 06.2022
Security Analyst
TNQTech
11.2019 - 12.2021
Admin Assistant
Debt Recovery Appellate Tribunal, Govt of India
05.2015 - 04.2017
Bachelor of Science - Information Technology
Sathyabama University
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