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Vignesh Ravichandran

Vignesh Ravichandran

Cybersecurity Professional

Chennai, IN
85
Profile Score

About

Cybersecurity Professional with 4+ years of hands-on experience in SOC environments, specializing in threat detection, incident response, and GRC. Expert in managing SIEM platforms (Splunk, QRadar, Sentinel) and Endpoint Security (CrowdStrike, Microsoft Defender). Proven track record in reducing security incident response times (MTTR) by 25% and securing hybrid environments (AWS, Azure, On-prem). Skilled in vulnerability remediation and ensuring compliance with ISO 27001 and PCI DSS standards.

Skills & Expertise (40)

Splunk Advanced
8.6/10
4
Years Exp
Microsoft Sentinel Advanced
8.5/10
2
Years Exp
CrowdStrike Advanced
8.4/10
2
Years Exp
Microsoft Defender Advanced
8.3/10
2
Years Exp
QRadar Advanced
8.1/10
3
Years Exp
IP Analysis UNIX CVE Prioritization ISO 27001 PCI DSS NIST 800-53 GDPR Risk Registers Business Impact Analysis Python PowerShell Bash Metasploit Nmap ServiceNow Jira LINUX SSO MITRE ATT&CK VirusTotal Talos WIRESHARK Azure Security Center AWS GuardDuty Azure AD Okta TCP MFA RBAC Nessus Qualys IDS IPS Cisco Firewalls VPN

Work Experience

Security Operations Analyst

Tata Consultancy Services

Sep 2019 - Jul 2022

Monitored high-volume alert queues using Splunk and IBM QRadar; performed initial investigation for potential breaches, ensuring all tickets were resolved within agreed SLAs. Identified repetitive false positives and collaborated with SIEM engineers to refine correlation rules, directly improving detection accuracy and reducing analyst fatigue. Partnered with Network and Desktop Support teams to isolate infected hosts and revoke compromised credentials, preventing lateral movement of malware across the enterprise. Monitored Active Directory logs for anomalous sign-in patterns and unauthorized access; supported RBAC audits to ensure strict adherence to Least Privilege principles. Translated technical scan data into high-level tracking reports for senior management to prioritize remediation of critical infrastructure risks.

Cybersecurity Consultant

Staples Canada

Aug 2024 - Present

Monitor and analyze network traffic using Splunk and Microsoft Sentinel; perform deep-dive TCP/IP analysis via Wireshark, contributing to a 20% improvement in Mean Time to Detect (MTTD). Manage and optimize endpoint protection (CrowdStrike Falcon, Microsoft Defender for Endpoint), reducing malware-related tickets by 30% through custom IOC tuning and policy hardening. Lead credentialed scans using Nessus and Qualys; integrate findings into ServiceNow to coordinate remediation, ensuring 100% adherence to ISO 27001 audit controls. Secure AWS and Azure environments through IAM protocols and SSO; utilize Azure Security Center for continuous monitoring, identifying and remediating high-risk cloud misconfigurations within defined SLAs. Support internal penetration testing and phishing simulation programs; deliver training that reduced employee click-rates on simulated social engineering attacks by 40%.

Education

MS Informatics (Information Security Management) - Northeastern University

2022 - 2024 · Afghanistan

Bachelor of Technology (Electronics & Communication) - Sastra University

2015 - 2019 · Afghanistan

Certifications

Google Cybersecurity Professional Certificate

· 2025

Certified Ethical Hacker (CEH)

EC-Council · 2019

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Profile Score Breakdown

📷 Photo 10/10
📄 Resume 10/10
💼 Job Title 10/10
✍️ Bio 10/10
🛠️ Skills 20/20
🎓 Education 10/10
⏱️ Experience 5/15
💰 Rate 0/5
🏆 Certs 5/5
Verified 5/5
Total Score 85/100

Profile Overview

Member sinceMar 2026