CTE - Sudden Block Spike Detected
A sudden spike in blocked URLs/domains on a single device may indicate an active phishing or malware campaign.
Detection logic
Detection requirements
- Platform
- Identity ProviderLinuxmacOSWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
- Log source product
- cybereinforce_cte
- Log source service
- cybereinforcecte_cl
MITRE ATT&CK mappings
0 exclusive techniques.This is coverage no other published rule has; it is not this rule's total technique count.
No references are available for this detection.
From the source
- At source
- Open at source
- Upstream identifier
- fbbf3418-f1d8-4bd5-b7da-137a70af6bce
- Tagged by the source as
- InitialAccess
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1