DDoS
Distributed denial of service: flooding a service until it is unavailable.
Advisories that mention this term
Danish Defence Intelligence Service Assesses Russia Was Behind 2024 Destructive Cyberattack on Danish Water Utility
In an assessment published on December 18, 2025, the Danish Defence Intelligence Service (DDIS / FE) stated that Russia was responsible for a destructive cyberattack against a Danish water utility in 2024 .
Danish Defence Intelligence Service Assesses NoName057(16) Launched DDoS Attacks Against Danish Websites Ahead of 2025 Local Elections
The Danish Defence Intelligence Service (DDIS) assessed that Danish websites were targeted by a series of denial-of-service attacks in the run-up to the 2025 municipal and regional council elections .
IPA Releases PDF Edition of 'Information Security White Paper 2025' Outlining Threat and Policy Trends
According to Security NEXT, Japan's Information-technology Promotion Agency (IPA) released the advance PDF edition of its 'Information Security White Paper 2025' on September 10, 2025 .
Russian Pharmacy Chain Stolichki Confirms Cyberattack Disrupted Operations
According to The Record, Russian pharmacy chain Stolichki confirmed that technical outages halting its operations were caused by a cyberattack .
Cloudflare Details Observed Large-Scale DDoS Attack Campaigns
Cloudflare published a blog post in 2024 detailing large-scale DDoS attacks observed across its network .