Timothy Christian S.

Microsoft 365 and Entra hardening is where most of my recent Upwork wins sit, alongside web and API pentests that produce board-ready reports. Top Rated with 75 completed jobs and $80K+ earned. WHAT I DO - Microsoft 365: Defender, Entra ID, Intune and Purview — Conditional Access, MFA, device compliance and tenant audits (HIPAA, NIST, FINRA, ISO 27001, Essential Eight). - Web and API pentesting: IDOR, auth flaws, business logic, injection and SSRF (OWASP WSTG / API Top 10). Multi-tenant SaaS focus. - Cloud reviews: AWS Security Hub, Config, Inspector; external attack-surface checks. - Deliverables: executive summary, severity-rated findings with PoC steps, prioritized fixes, walkthrough and retest of criticals and highs. Redacted sample on request. HOW I WORK Scanners start the work. Real findings come from manual testing of auth and business logic. Scope stays tight. BACKGROUND Bachelor of Cybersecurity (Deakin), MCSI practical training, Black Belt Pentesting / Bug Hunting, Certified Blockchain Security Professional. English and Indonesian, fluent. Melbourne (UTC+10). Founder of Encripti. Tell me what you need tested or hardened and I will send a scoped plan and a clear quote.