Practical guides on phishing detection, CertStream monitoring, DMCA takedowns, and protecting your brand from domain impersonation attacks.
Certificate Transparency logs are a goldmine for threat intelligence. Every phishing site needs HTTPS — so every phishing site generates a certificate. Learn how CertStream gives you real-time access to this global feed and how to filter it for brand-specific threats.
Missing letters, doubled characters, keyboard adjacency swaps, homoglyphs, and TLD squatting — with real examples and how each evades detection.
A practical DMCA takedown guide for brand protection and legal teams — what to include, who to send it to, and how to follow up when the host is unresponsive.
How we built Tetik on Cloudflare Workers + D1 SQLite + Hono.js. Zero cold starts, global edge, multi-tenant isolation — architecture deep dive.
How attackers abuse Unicode lookalike characters to create phishing domains that pass human visual inspection. With a live demo and detection techniques.
PhishTank, OpenPhish, Netcraft, DNSTwist and Tetik compared. Cost, latency, coverage, and integration — an honest side-by-side for security teams.
Want to detect these attacks automatically against your own brand?