Inside SENTINEL: How 13 Microservices Detect Child Grooming by Behavior, Not Keywords

Keyword filters are a solved problem — solved by predators. They learned years ago to spell things differently, avoid flagged words, and simply groom slowly enough that no single message triggers a filter. The result: every major platform relying solely on keyword detection is running safety infrastructure that the most dangerous users have already mapped and bypassed. SENTINEL takes a different approach. Instead of asking "does this message contain a bad word?", it asks "does this person's beha