WAF Engineer at Walmart. Bug bounty hunter on HackerOne & Bugcrowd. I find vulnerabilities in production systems, harden defenses against real attackers, and teach what I learn through video content.
I work as a WAF (Web Application Firewall) Engineer at Walmart, where I tune detection rules at scale — protecting one of the largest e-commerce surfaces on the internet from injection, scraping, and zero-day exploits.
By night, I flip sides. I hunt bugs on HackerOne (as soypapa) and Bugcrowd, focused on logic flaws, RBAC bypasses, and IDORs in SaaS platforms. The reachability mindset I built defending Walmart makes me a better attacker — and vice versa.
I also create content as @PatchMyDay on YouTube and 小红书, breaking down security tools and bounty methodology in under 60 seconds. Currently studying for my BSCP certification while building AI-driven recon and exploitation tooling on the side.
F5, Akamai, Cloudflare, Imperva. Rule tuning at scale, false-positive triage, log pipeline automation.
RBAC/IDOR hunting on SaaS. HackerOne, Bugcrowd. Stripe top-tier bounty earner.
Multi-agent pipelines. CVE triage with LLMs. Custom Burp extensions in Python/Go.
Burp Pro, custom fuzzers, blind XSS infra (ezXSS), differential WAF fuzzing.
FastAPI services, automation, CLI tooling. Self-hosted security infra at scale.
YouTube + 小红书. Bilingual security education. Sub-60-second tutorial format.
Discovered cross-tenant role escalation in Stripe Dashboard via session swap. Full data access across organizations.
Built harness to compare F5/Akamai/Cloudflare/Imperva responses to identical payloads. Surfaced bypass primitives across all four.
Daily security tool tutorials. "1 Min Productivity Tools" series. Bilingual EN/CN. Mascot-led brand identity.
Production-ready autonomous agent framework. Telegram-native, MCP support, 100+ skills. Powers daily bounty workflow.
Documented systematic approach to finding access control bugs in commercial SaaS. Published as repeatable skill.
AI-powered open-source CVE hunter. Praetorian-style methodology, automated triage, validated PoCs.