Elizabeth Nsiah

About Elizabeth Nsiah

As an IT Security Analyst with over 5 years of experience, I specialize in protecting…

Experience

1. Information Technology Security Analyst

   Dell Technologies

   Jan 2022 — Present

   Conduct comprehensive threat detection and incident response activities, identifying and mitigating over 150 security incidents per quarter to ensure minimal disruption to business operations.• Manage and monitor SIEM tools, including Splunk and Nessus, to analyze security logs and identify potential threats, improving threat detection efficiency by 30%.• Perform vulnerability assessments and penetration testing, identifying critical vulnerabilities and coordinating remediation efforts to reduce overall risk exposure by 25%.• Conduct third-party vendor risk assessments, evaluating the security posture of over 50 vendors annually to ensure compliance with company security policies and industry standards.• Lead security audits and compliance checks aligned with PCI DSS, NIST and ISO 27001 standards, achieving a 98% compliance rate across internal systems and processes.• Develop and execute incident response playbooks, reducing average incident response time by 40% and enhancing the overall security posture of the organization.• Collaborate with cross-functional teams to implement security best practices, including network segmentation and data loss prevention (DLP), enhancing data security by 20%.• Utilize scripting and automation skills in Python and PowerShell to streamline security monitoring processes, reducing manual workload by 35% and improving response times.• Manage endpoint security through EDR tools, ensuring 100% coverage and rapid detection of malicious activities across all corporate devices.• Create detailed security reports and dashboards for senior management, providing insights into threat landscapes and security performance metrics to improve decision-making processes.• Train and mentor junior security analysts, enhancing team capabilities and increasing incident handling effectiveness by 25%.