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  1. What is a distributed denial-of-service (DDoS) attack?

    A distributed denial-of-service (DDoS) attack is a malicious attempt to disrupt the normal traffic of a targeted server, service or network by overwhelming the target or its surrounding infrastructure with a …

  2. Denial-of-service attack - Wikipedia

    In computing, a denial-of-service attack (DoS attack; UK: / dɒs / doss US: / dɑːs / daas[1]) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its …

  3. What is a DDoS Attack? DDoS Meaning, Definition & Types | Fortinet

    Learn about DDoS Attack meaning, attack types, and examples. DDoS Attack means "Distributed Denial-of-Service (DDoS) Attack " and it is a cybercrime in which the attacker floods a server with …

  4. What is DDoS(Distributed Denial of Service)? - GeeksforGeeks

    Jul 12, 2025 · Distributed Denial of Service (DDoS) is a type of DOS attack where multiple systems, which are trojan infected, target a particular system which causes a DoS attack.

  5. DDoS attacks: Definition, examples, techniques, and how to defend them

    What is a DDoS attack? A distributed denial of service (DDoS) attack is when an attacker, or attackers, attempt to make it impossible for a digital service to be delivered.

  6. Understanding DDoS attacks: a comprehensive guide - ESET

    Dec 11, 2025 · DDoS attacks are loud, disruptive cyberthreats designed to crash services. Learn how they work and how to protect yourself from digital overload.

  7. What Is a DDoS Attack? - Cisco

    Distributed-denial-of-service (DDoS) attacks are sophisticated attacks designed to flood the network with superfluous traffic. A DDoS attack results in either degraded network performance or an outright …

  8. What Is a DDoS Attack? - Palo Alto Networks

    Comprehensive Defense: Effective DDoS protection involves a multi-layered approach that combines network infrastructure, specialized mitigation services, and proactive threat intelligence. Distributed …

  9. What Is a DDoS Attack? Mitigation & Protection | CrowdStrike

    DDoS, short for distributed-denial-of-service, is a cyberattack that attempts to interrupt a server or network by flooding it with fake internet traffic, preventing user access and disrupting operations. The …

  10. What is a DDOS Attack, and How Does It Work? | Okta

    Apr 28, 2021 · What is a DDoS attack? Imagine a restaurant’s reservation system inundated with thousands of fake bookings from different phone numbers. The staff would become so overwhelmed …