Verdictcs-amex[.]com is classified as critical with a risk score of 82/100: high-confidence malicious posture; multiple core signals reinforce one another. The recommended downstream action is block_domain.
The risk model observed 11 signals (including 4 core signals) across 3 taxonomy groups (Threat Intelligence, HTTP Crawling, WHOIS). The strongest indicators are Flagged by Security Vendors, SSL DV Validation, unsuccessful_web_request, plus 8 additional supporting signals. Each signal carries its own trigger evidence and direction; signal fusion drives the calibrated tier assignment.
Recommended response. Block at the perimeter (DNS firewall, SWG, EDR network rules). The signal stack supports a deny-by-default posture; blocking is unlikely to disrupt legitimate traffic. For active investigation, run POST /verdictwith the indicator to confirm the verdict against the current state of the domain. VerdictIQ's scoring recomputes today's signals on every call.