Threat report

blog.talosintelligence.com/arcanedoor-new-espionage-focused-campaign-found-targeting-perimeter-network-devices

https://blog.talosintelligence.com/arcanedoor-new-espionage-focused-campaign-found-targeting-perimeter-network-devices/

Published on: blog.talosintelligence.com

ATT&CK techniques those detections carry

T1005Data from Local System
T1041Exfiltration Over C2 Channel
T1048.003Exfiltration Over Unencrypted Non-C2 Protocol
T1530Data from Cloud Storage
T1685Disable or Modify Tools

3 published detections cite this

Citing it, not covering it: each of these was written with this as evidence, and carries the source it came from and the licence it was published under.

Detections citing this reference
Detection	Severity	Source	Published	Licence
Cisco ASA - Device File Copy to Remote Location	Informational	Splunk security content	Aug 26, 2026	Apache License 2.0
Cisco ASA - Device File Copy Activity	Informational	Splunk security content	Aug 26, 2026	Apache License 2.0
Cisco ASA - Core Syslog Message Volume Drop	Medium	Splunk security content	Aug 26, 2026	Apache License 2.0

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