G
Guruprasath Murugesan
About
Detail
United States
Résumé
Jobs
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Cybersecurity AnalystBlackPoint CyberAug 2024 - Current (2 years 1 month)• Orchestrated centralized threat monitoring pipelines using Microsoft Sentinel, Defender for Endpoint, and Azure AD telemetry, accelerating analyst investigations across distributed client security environments. • Configured phishing containment workflows integrating Microsoft Graph API, Proofpoint alerts, and automated ticket escalation processes, reducing malicious email remediation timelines by 38%. • Evaluated suspicious authentication anomalies through conditional access reviews, OAuth policy validation, and endpoint correlation analysis, strengthening Zero Trust enforcement for managed enterprise customers. • Streamlined incident triage procedures using PowerShell automation, Sentinel playbooks, and forensic evidence collection, impr- IT Security AnalystSectigoJun 2021 - Jul 2022 (1 year 2 months)• Engineered certificate lifecycle monitoring workflows using Splunk dashboards, Python parsers, and internal PKI telemetry, preventing unexpected expirations across large-scale enterprise customer infrastructures. • Integrated SIEM correlation searches with certificate issuance logs and identity governance records, shortening suspicious access investigation cycles by 34% during compliance-driven security assessments. • Hardened public-facing authentication services through MFA validation reviews, RBAC restructuring, and VPN access auditing, supporting secure digital certificate provisioning operations globally. • Optimized malware detection procedures using sandbox analysis, URL reputation verification, and attachment inspection playbooks,
- Security AnalystSecuronixSep 2020 - Jun 2021 (10 months)• Monitored behavioral analytics alerts within IBM QRadar environments, correlating Active Directory events and firewall telemetry to identify insider threat patterns across enterprise client networks. • Validated suspicious endpoint activities using Wireshark packet inspection and log correlation procedures, reducing false-positive escalations during recurring SOC investigation workflows by 24%. • Automated repetitive incident documentation tasks through Bash scripting and structured evidence templates, enabling analysts to manage larger daily alert volumes without operational bottlenecks. • Assessed vulnerability scan findings from Nessus reports and patch management records, improving remediation coordination for externally exposed syste
Education
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- Security +CompTIAJun 2025
- Master of Engineering, CybersecurityUniversity of MarylandDec 2024College Park, USA
- Certified Ethical Hacker CEHEC CouncilDec 2021
- Bachelor of Engineering, Computer SciencePSG College of TechnologyMay 2021Coimbatore, India
- PCybercrime InvestigatorPrompt InfotechJun 2020
- PEthical HackerPrompt InfotechJun 2020
Projects (professional or personal)
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- SIEM-Based Threat Detection & Incident Response FrameworkIndependentJan 2024• Built a centralized alerting and incident response framework using IBM QRadar, Splunk, and MITRE ATT&CK, integrating identity context from Active Directory and Okta, which reduced false positives by 25% and improved high-severity alert response time by 35%.
- Automated Phishing Email Triage and Response PipelineIndependentJan 2024• Developed an automated phishing triage system using Python, Microsoft Graph API, and VirusTotal, integrating alerts into Splunk and correlating threat intel via MISP and AlienVault OTX, reducing triage time by 60% and false positives by 40%.