Garyson Pereira
Lead Security Engineer @Oakbrook
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WORK HISTORY
Lead Security Engineer @Oakbrook
EDUCATION
University of Greenwich
Master's degree, Computer Forensics and Cyber Security
SKILLS
ABOUT GARYSON PEREIRA
Cybersecurity Leader with 11 years of experience spanning professional practice and advanced academic research, I hold an M.Sc.in Computer Forensics & Cybersecurity. Passionate about defending cloud-native and enterprise environments through advanced detection, response, and automation.As a Lead Security Engineer in the fintech sector, I lead the implementation of a threat intelligence driven Continuous Threat Exposure Management (CTEM) framework, enhancing the organization’s resilience against evolving cyber threats.My core skills include Threat Intelligence, Threat Hunting, Incident Response, SOAR automation, Vulnerability Management, and Cloud-Native Kubernetes Security. I’ve designed and operationalized SOC workflows, automated alert triage pipelines, and integrated MITRE-mapped detections to elevate threat visibility.I also specialize in Identity & Access Management, RBAC, Data Loss Prevention (DLP), and Vendor Risk Assessments, with strong foundations in System Design and Secure Architecture Reviews, Zero Trust design principles.My work is guided by frameworks including MITRE ATT & CK, NIST CSF, OWASP Top 10, CIS Controls, ISO 27001, PCI-DSS, and UK Cyber Essentials, ensuring full alignment between compliance and technical control maturity.Always curious, I thrive at the intersection of security engineering, automation, and intelligence building systems that not only detect threats but adapt and respond intelligently.
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