
Doyle D
Senior Cybersecurity Expert
Skills

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Werkervaring
Senior Cybersecurity Officer
Microsoft • Fulltime
Nov 2022 - Present • 4 yrs
Lead advanced threat hunting operations and managed incident response frameworks across global cloud service architectures. Architected and deployed enterprise-grade Zero Trust security models, drastically reducing unauthorized access vectors by 40%. Collaborated with cross-functional software engineering teams to embed secure-by-design principles throughout the SDLC pipeline. Directed penetration testing initiatives and comprehensive code audits to proactively discover and remediate critical zero-day vulnerabilities.
Cybersecurity Expert (Freelancer)
Fiverr • Freelance
Nov 2018 - Nov 2022 • 4 yrs
Provided elite remote cybersecurity consultancy, vulnerability assessments, and digital forensics to over 150+ international clients. Conducted comprehensive web application and network penetration testing following OWASP Top 10 and OSSTMM standards. Hardened infrastructure defenses for small-to-medium enterprises (SMEs), implementing secure firewall, IDS/IPS, and SIEM configurations. Delivered high-impact malware analysis, ransomware remediation strategies, and tailored cryptographic implementation architectures.