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A Distributed Denial-of-Service (DDoS) attack is a coordinated cyber assault where threat actors make use of multiple compromised systems to flood a target server or website with overwhelming traffic, exhausting its resources and rendering services unavailable to legitimate users.
How is DDoS attack abused
Attackers recruit thousands of infected computers and IoT devices into botnets, then unleash massive traffic floods using methods like SYN floods, UDP floods, and application-layer attacks to saturate bandwidth, exhaust server capacity, and overwhelm the target's processing power.
Why DDoS attack matters
DDoS attacks trigger prolonged service outages that interrupt critical operations, block legitimate users, inflict significant financial losses, damage brand reputation, and strain network infrastructure, sometimes creating cover for attackers to steal sensitive data while security teams scramble to restore services.
Real-world example
DeepSeek
In early 2025, Chinese AI startup DeepSeek was hit by a massive DDoS campaign that crippled its servers and forced the company to temporarily halt new user registrations until operations could be restored.
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Additional Resources
Achieve 442% ROI and reduce patching time by 95% — Forrester TEI Report
See how organizations gained 442% ROI and major efficiency improvements with Endpoint Central.
Read moreExperience enterprise-grade protection proven in real-world tests — AV-Comparatives Report
Discover how Endpoint Central’s antivirus earned recognition through rigorous, real-world security validation in just eight months.
Read moreSimplify endpoint security and build cyber resilience — Endpoint Security For Dummies
Get a clear, practical guide to understanding threats and strengthening your organization’s security.
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