
Kiyah User
@kiyahuser
I investigate security telemetry and build practical threat detection labs.
What I'm looking for
I'm building security operations capability through hands-on Wazuh, Cowrie, Elastic Defend, and AWS IAM labs that investigate real attack activity and document remediation.
In my Wazuh SIEM and Cowrie honeypot lab, I analyzed 25+ connections from 20+ IPs, identified credential stuffing, an SSH authorized_keys persistence attempt, and reconnaissance, and reviewed MITRE ATT&CK-mapped detections.
At Visa, I investigate application and authentication failures, identify root causes, and coordinate remediation with engineering and product teams. I also developed and tested a secure expired-password authentication flow and strengthened transaction workflows across 8+ merged PRs.
I'm backed by an M.S. in Cybersecurity Operations and an enterprise software engineering background, bringing practical experience across incident analysis, endpoint telemetry, IAM controls, APIs, testing, and infrastructure troubleshooting.
Experience
Work history, roles, and key accomplishments
Investigated application and authentication failures, identified root causes, and coordinated remediation. Developed and tested a secure expired-password authentication flow with CSRF protections and feature flags.
Business Development Representative
Oracle NetSuite
Jan 2024 - Sep 2024 (8 months)
Conducted structured discovery with enterprise stakeholders on workflows, technical requirements, and operational risks, translating findings for solutions engineers and decision-makers.
Coordinated public-sector healthcare customers, vendors, and technical specialists on infrastructure, software, security, and implementation requirements.
Education
Degrees, certifications, and relevant coursework
Webster University
Master of Science, Cybersecurity Operations
Master of Science in Cybersecurity Operations from Webster University, completed in 2025.
The University of Alabama
Bachelor of Science, Business - Marketing
Bachelor of Science in Business with a focus in Marketing from The University of Alabama, completed in 2022.
Tech stack
Software and tools used professionally
Availability
Location
Authorized to work in
Portfolio
github.com/KiyahBrewsterSalary expectations
Social media
Job categories
Skills
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