It indicates that the SSL certificate associated with the domain has been newly created or issued. This behavior often coincides with newly registered or reactivated domains and can signal the setup phase of phishing, malware distribution, or C2 infrastructures.
Three questions every analyst asks before acting on this signal.
It indicates that the SSL certificate associated with the domain has been newly created or issued. This behavior often coincides with newly registered or reactivated domains and can signal the setup phase of phishing, malware distribution, or C2 infrastructures.
Because threat actors frequently obtain and deploy SSL certificates immediately before launching campaigns to make malicious domains appear legitimate. Tracking newly-issued certificates helps identify emerging threats early in their lifecycle.
Yes. Legitimate sites regularly renew or reissue SSL certificates for maintenance and compliance reasons. However, correlation with other indicators — such as domain age, category, and hosting reputation — helps analysts assess risk more accurately.
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": "newly_registered_ssl_usage",
"name": "Newly-Issued 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"
}
}15 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…
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