Team Introduction The team is responsible for testing and evaluating global content security systems from an attacker's perspective, identifying potential vulnerabilities, and providing improvement recommendations, ensuring content safety across cultural and linguistic contexts.

• Threat Discovery & Risk Analysis: Lead structured threat pattern discovery from multiple signal sources (TikTok online, external escalations, competitive intelligence, threat intelligence). Identify emerging abuse patterns and evasion techniques; maintain and expand the team's adversarial knowledge base (Evasion Taxonomy, Abuse Pattern framework). Translate raw signals into structured, actionable threat pattern cards.
• Attack Sample Construction: Build the end-to-end sample construction pipeline — from threat pattern intake to high‑fidelity adversarial sample production at scale. Define construction methodologies, tooling requirements, and quality standards. En...