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UnclassifiedIdeologyIntermediate sophistication

UserSec

UserSec is a threat actor group with an ideological motive, tracked by Brandefense. It uses 1 MITRE ATT&CK technique.

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Techniques
1
Exploited CVEs
No CVE data
Record updated

About UserSec.

UserSec is a pro-Russian hacking group that has been active since at least 2022. The group is known for its DDoS attacks and has collaborated with other pro-Russian hacking groups. In May 2023, UserSec announced a cyber campaign targeting NATO member states and joined forces with KillNet to launch attacks against NATO.

Last updated Sep 30, 2026. Compiled by Brandefense technologies from structured threat intelligence and reviewed by Brandefense analysts. Techniques follow the MITRE ATT&CK framework.