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

    What is a 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 …

  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? | Microsoft Security

    A distributed denial-of-service (DDoS) attack targets websites and servers by disrupting network services. Learn about DDoS attacks and how to prevent them.

  4. 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 …

  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? - 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 …

  7. DDoS attacks: Definition, examples, techniques, and how to defend …

    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. This could be...

  8. 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 …

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

    Distributed denial-of-service (DDoS) is a tactic and attack pattern rather than a vulnerability. DDoS attacks fall under TA0040: Impact in the MITRE ATT&CK framework, most commonly aligning with …

  10. What is a DDoS Attack and How it Works? - CloudSEK

    6 days ago · A DDoS attack works by flooding a website or server with distributed traffic to make it unavailable. Learn how it works, its types, and defenses.