Harshitha T S

Cybersecurity Analyst with 2+ years of experience in Infrastructure Security, Vulnerability Management across 11,000+ workstations and 1,000+ servers using Tenable.io and Microsoft Defender, across on-premise and hybrid Azure environments. Achieved 99% SLA compliance in vulnerability remediation through end-to-end lifecycle ownership — CVSS-based prioritisation, triage, and cross-functional remediation coordination at scale. Proficient in security monitoring, dashboard reporting, and incident tracking via Splunk and ServiceNow.

Recognised with a Spot Award for consistent SLA achievement and positive client outcomes.

Cybersecurity Analyst - Atos - Bangalore, Karnataka

(2024-03)

• Managed end-to-end vulnerability scanning and remediation across a large-scale enterprise environment of 11,000+ workstations and 1,000+ servers using Tenable.io agent-based scanning on both on-premise and Azure-connected endpoints.
• Achieved 99% SLA compliance in vulnerability remediation — consistently resolving Critical and High CVEs within defined SLA windows across all quarterly compliance cycles.
• Conducted CVSS-based vulnerability severity analysis to prioritise remediation activities; led triage coordination by validating scanner findings, eliminating false positives, and working with system owners to resolve vulnerabilities at scale.
• Coordinated patch remediation with infrastructure teams via ServiceNow across the full 11,000+ workstation and 1,000+ server estate, ensuring all vulnerabilities were tracked, assigned, and closed within SLA timelines.
• Monitored security incidents and managed Splunk dashboards for real-time threat visibility across the enterprise, serving as the primary point of contact for VM scan configuration, triage decisions, and stakeholder reporting.
• Supported internal and external security audits, preparing audit evidence and ensuring compliance with industry standards (ISO 27001, NIST) — contributing to zero audit findings across review cycles.

Threat Hunting & Network Security Intern - CyberSapiens United LLP

(2022-02 - 2022-11)

• Conducted threat hunting activities to identify potential threats and vulnerabilities across the network using IDS and network monitoring tools.
• Analysed network traffic and logs to detect anomalous behaviour and security incidents; collaborated with the team on vulnerability assessments and penetration testing exercises.
• Supported development and implementation of network security measures, gaining hands-on experience with Nmap, Wireshark, and intrusion detection systems.

Bachelor of Engineering (B.E.) - Electronics & Communication Engineering - GM Institute of Technology (2019 - 2023)