CTI · corroborated · 2026-09-21

FBI and RCMP Seize NightmareStresser DDoS-for-Hire Domains

Full story & timeline

MITRE ATT&CK

• T1498 Network Denial of Service Impact
• T1499 Endpoint Denial of Service Impact

Indicators

No curated indicators tied to this case.

Detections

No detection content yet — case analysis did not yield signal-specific telemetry. Check back after the next daily CTI pass.

References

• https://www.fbi.gov