It indicates that the domain’s SSL/TLS certificate cannot be fully trusted due to issues such as expiration, incorrect configuration, mismatched hostname, or unrecognized certificate authority. This often signals either a misconfiguration or an attempt to mimic legitimate infrastructure.
The questions every analyst asks before acting on this signal.
It indicates that the domain’s SSL/TLS certificate cannot be fully trusted due to issues such as expiration, incorrect configuration, mismatched hostname, or unrecognized certificate authority. This often signals either a misconfiguration or an attempt to mimic legitimate infrastructure.
Because legitimate organizations typically maintain valid, properly chained SSL certificates. Untrusted or invalid SSL setups are frequently associated with phishing pages, malicious proxies, or abandoned domains.
Yes, but rarely. Temporary configuration errors or missed renewals may cause short-term certificate warnings. Persistent SSL trust failures, however, are strong indicators of poor hygiene or potentially malicious use.
A realistic shape of the entry the engine appends to the risk_signals array when this signal fires. Evidence keys are subgroup-default; per-signal overrides documented in the API reference.
{
"slug": "invalid_ssl_usage",
"name": "Untrusted or Misconfigured SSL Certificate",
"group": "http_crawling_history",
"subgroup": "ssl_behavior",
"direction": "malicious",
"evidence": {
"cert_issued_days_ago": 9,
"issuer": "letsencrypt",
"valid_for_days": 90,
"rotation_count_90d": 3,
"cert_type": "DV"
}
}14 other signals share the same subgroup. They detect related behaviors and often co-fire on the same IOC.
It means that the SSL/TLS certificate presented by the domain failed critical validation checks. This can occur due to m…
It means the SSL/TLS certificate’s Common Name (CN) or Subject Alternative Name (SAN) does not match the accessed domain…
It means the SSL/TLS certificate of the domain includes verified organizational details that have been authenticated by …
It means the domain is using an SSL/TLS certificate that was generated and signed by the same entity, without verificati…
The Verdict Gallery is a curated stream of real verdicts. Filter by this signal to see exactly which IOCs it caught, what other signals fired alongside it, and what the engine recommended.
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