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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 …

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  2. 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 …

  3. What Is a DDoS Attack? - Cisco

    What Is a DDoS Attack? 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 …

  4. 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.

  5. 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.

  6. 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.

  7. DDoS Attacks Explained | Office of the Chief Information Security Officer

    Oct 27, 2025 · That’s essentially how a Distributed Denial of Service (DDoS) attack works. Instead of phone lines, attackers target websites or online services. They hijack thousands — even millions — …

  8. What does DDoS Mean? | Distributed Denial of Service Explained

    Sep 30, 2014 · DDoS meaning: What is DDoS? Distributed denial of service (DDoS) attacks are a subclass of denial of service (DoS) attacks. A DDoS attack involves multiple connected online …

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

    Apr 28, 2021 · A distributed denial-of-service (DDoS) attack occurs when multiple compromised systems coordinate to flood a target’s network, servers, or applications with malicious traffic, exhausting …

  10. What is a Distributed Denial-of-Service (DDos) attack? | IBM

    A distributed denial-of-service (DDoS) attack floods an online resource—such as a website or cloud service—with fraudulent connection requests or other malicious traffic, typically by using a botnet.

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