Cisco Cloud Security - Possible data exfiltration
A normal user activity consists mostly of downloading data. Uploaded data is usually small unless there is a file/data upload to a website. Calculate the sum of BytesOut per Source-Destination pair over 12/24 hours.
Detection logic
Detection requirements
- Platform
- LinuxmacOSNetwork DevicesWindows
The rule states no platform. This is derived from the ATT&CK technique it maps to.
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
- 497d7250-87e1-49b1-a096-94f61c7ade9c
- Tagged by the source as
- Exfiltration
Licence
- Published under
- MIT LicenseRead the licence
- Attribution
- Required
- Obtained under
- MITRead the origin licence
Authorship
- Published
- Aug 29, 2026
- Version
- 1