Blog
Threat intelligence from the team building the product
Technical articles on CT log monitoring, phishing kit fingerprinting, registrar abuse systems, and regional brand abuse patterns. Written for analysts and CISOs, not marketing.
Articles
How Lookalike Domain Detection Works: CT Logs, WHOIS Deltas, and Keyword Scoring
A technical walkthrough of how Brandefense scrapes CT logs and WHOIS delta feeds to find lookalike domains hours after registration — before attackers can launch a phishing campaign.
Telegram Fraud Channels Are Your Brand's Blind Spot
Why Telegram's public channel enumeration API is both a gift and a threat for brand protection teams — and how Brandefense scrapes it daily to surface impersonation channels at scale.
The Registrar Abuse Contact System: How 4-Hour Takedowns Actually Happen
A behind-the-scenes look at how we contact 40+ registrars directly, why pre-vetted abuse templates matter, and how response time drops from 72+ hours to under 4.
Phishing Kit Fingerprinting: Finding 16Shop and xBalti Variants Before They Phish
How Brandefense identifies phishing kit variants using HTML hash fingerprinting and kit-specific file signatures — and why catching the kit matters as much as catching the domain.
Certificate Transparency Logs as a Brand Protection Early-Warning System
CT logs (crt.sh, Google Argon, Cloudflare Nimbus) record every issued SSL certificate within minutes. A technical breakdown of how to query them at scale, score brand keyword matches by Levenshtein distance and homograph pattern, and get from log entry to registrar alert in under an hour.
Brand Abuse in MEA Telecom: Why Impersonation Attacks Scale Differently in the Region
Telecom brands in the Middle East and North Africa face disproportionate lookalike domain volume — particularly targeting post-paid billing portals and customer care flows. A breakdown of the attack patterns, which ccTLD registrars are involved, and why abuse contact response times differ sharply from US-market norms.