Yuvashree Murugan

Background

About Yuvashree Murugan

As an IT Security professional with a CEH certification, I have played a pivotal role in enhancing organizational security through security monitoring, incident response, and endpoint management. I led efforts that resulted in achieving Cyber Essentials Plus certification and ISO 27001 compliance, significantly improving the organization’s security posture. I have extensive cybersecurity experience, including securing Windows OS and basic Linux environments through device provisioning, deployment, and configuration. I have managed identity and access through Active Directory, Microsoft Entra ID, and GPOs, ensuring secure access control and policy enforcement. My cloud security experience includes configuring MFA, IAM, and deploying DLP solutions for Microsoft 365, Azure, and AWS environments. Leveraging SentinelOne's autonomous AI capabilities to detect, analyze, and mitigate threats in real time, ensuring proactive cybersecurity defense. Enhancing security operations with SentinelOne’s ability to automatically remediate threats and rollback compromised endpoints to a pre-infection state, minimizing downtime and impact. My incident response skills include using SIEM platforms such as Splunk and Microsoft Sentinel for real-time threat detection, log analysis, and threat investigations. Conducted vulnerability scans and applied the MITRE ATT & CK framework, using Qualys for open port analysis and remediation, reducing vulnerabilities. Integrated SIEM solutions (Splunk, Microsoft Sentinel), improving threat detection by 80% and automating incident response with PowerShell, Python, and Azure Logic Apps. Designed and implemented automation workflows and security playbooks using PowerShell and Python, reducing manual intervention by 40% and optimizing security monitoring and response times. I have also been responsible for ensuring endpoint security through system hardening, patch management, and deploying endpoint protection solutions, maintaining a secure environment across all organizational devices. My passion for IT support and cybersecurity drives me to stay updated with the latest technologies and methodologies, ensuring that I deliver secure and efficient solutions tailored to organizational needs.