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Threat Actors & CampaignsEmerging1 sourceSep 17, 2026 · 15:48via Cyber Security News

FBI Takes Down NightmareStresser DDoS Service Used in Hundreds of Thousands of Attacks

Brief

The FBI has seized domains supporting NightmareStresser, disrupting one of the world’s longest-running DDoS-for-hire operations .

The court-authorized action targets a service that allegedly enabled paying customers to overwhelm online services with malicious traffic, cutting off legitimate users.

According to a seizure-warrant affidavit cited by the U. S. Department of Justice, NightmareStresser was used to launch hundreds of thousands of actual or attempted DDoS attacks against victims worldwide since 2022.

Authorities took control of nightmare-stresser[. ]com and nightmarestresser[. ]org, replacing their content with law-enforcement seizure notices.

NightmareStresser operated as a “booter” or “stresser,” names for commercial DDoS platforms.

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