Mary Okolla

About Mary Okolla

Cybersecurity professional with hands-on experience in cyber warfare operations, penetration testing, network security, product security assessments, and endpoint detection and response. Strong foundation in data analysis, machine learning, and secure coding. Demonstrated leadership in STEM initiatives and recognized for excellence in national-level cybersecurity competitions.

Experience

1. Cybesrecurity Analyst

   Sevenett

   Jan 2026 — Present · US

   Monitor, triage, and investigate security alerts using SIEM and endpoint detection tools (Splunk, CrowdStrike), improving visibility across network and endpoint environments and reducing potential incident impact. Conduct vulnerability assessments using Nessus, Qualys, and OpenVAS; analyze CVSS scores, prioritize remediation with engineering teams, and track mitigation efforts to reduce high-risk exposure. Perform structured log analysis across Linux and Windows systems, identifying indicators of compromise (IOCs) and suspicious behavior aligned with MITRE ATT & CK techniques. Support Identity and Access Management (IAM) governance by reviewing RBAC policies, validating least-privilege access controls, and assisting with periodic access reviews. Contribute to risk assessments, security control mapping, and documentation aligned with NIST 800-53 and SOC 2 frameworks, strengthening audit readiness and internal compliance posture.

Education

• University of Nairobi

  Bachelor of Arts - BA

  2014 — 2018

• Rowan University

  Master of Science - MS, Cybersecurity