
Brown J
Senior Cybersecurity Expert
Skills

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Werkervaring
Senior Cybersecurity Consultant & Freelance Specialist
Fiverr • Freelance
Nov 2022 - Present • 4 yrs
Deliver top-tier boutique cybersecurity consulting, penetration testing, and vulnerability assessments to global enterprise clients. Architected and deployed customized Incident Response plans and Secure SDLC pipelines for over 50 diverse organizations. Conducted comprehensive web application, API, and cloud infrastructure penetration tests, uncovering critical vulnerabilities before exploitation. Provide real-time threat monitoring, digital forensics, and vCISO services.
Senior Cybersecurity Engineer
Meta • Fulltime
Oct 2016 - Oct 2022 • 6 yrs
Led cross-functional security teams tasked with defending massive infrastructure serving billions of daily active users against advanced persistent threats (APTs). Designed and integrated automated threat detection models that reduced security incident dwell time by 40%. Collaborated heavily on large-scale infrastructure hardening, IAM policies, and Zero-Trust architecture deployments across globally distributed data centers. Spearheaded root-cause analysis investigations.