// THREAT DETECTION AND DATA PRIVACY TERM

Smurf Attack

A Smurf Attack is a type of cyberattack that floods a target computer or server with a massive amount of internet traffic, making it crash or become unavailable. It works by sending a ping request with a fake source address to a network's broadcast address, causing all devices on that network to send replies to the victim.

Smurf Attack — illustration from Wikipedia
Image via Wikipedia

TECHNICAL DEFINITION

A Smurf Attack is a deprecated Distributed Denial of Service (DDoS) attack vector leveraging ICMP echo requests (pings) with a spoofed source IP address directed at an IP broadcast address of an intermediary network, leading to amplified responses that overwhelm the target system. This IP-spoofing and amplification technique aims to exhaust network resources, causing service disruption.

BACKGROUND

In computing, a denial-of-service attack is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host connected to a network. Denial of service is typically accomplished by flooding the targeted machine or resource with superfluous requests in an attempt to overload systems and prevent some or all legitimate requests from being fulfilled. The range of attacks varies widely, spanning from inundating a server with millions of requests to slow its performance, overwhelming a server with a substantial amount of invalid data, to submitting requests with an illegitimate IP address.

READ MORE ON WIKIPEDIA

SYNONYMS & ALIASES

  • ICMP flood
  • broadcast amplification attack
  • ping flood attack
  • DoS amplification

USAGE NOTE

While largely mitigated by modern router configurations that disable IP broadcast forwarding, understanding Smurf attacks is crucial for grasping DDoS amplification principles and legacy network vulnerabilities.

DEVELOPERS

Organizations developing technology related to Smurf Attack.

  • Cloudflare

    Cloudflare provides comprehensive DDoS protection services, which include mitigation against volumetric attacks like Smurf attacks, by deflecting malicious traffic at its network edge.

  • Akamai

    Akamai offers highly scalable DDoS mitigation solutions designed to absorb and deflect large-scale volumetric attacks, including those reminiscent of Smurf attack methodologies, protecting web applications and networks.

  • Imperva

    Imperva specializes in application and data security, providing advanced DDoS protection services that defend against various attack vectors, including volumetric floods similar to Smurf attacks.

  • Radware

    Radware delivers real-time DDoS attack prevention and mitigation solutions for network and application layers, specifically designed to detect and stop large-scale volumetric attacks, which encompasses Smurf-like threats.

  • NETSCOUT

    NETSCOUT's Arbor DDoS solutions are leading providers of network security, offering robust detection and mitigation against a wide range of distributed denial-of-service attacks, including volumetric ones.

  • F5

    F5 offers advanced DDoS protection as part of its application security portfolio, providing multi-layered defense against volumetric, protocol, and application-layer attacks to ensure service availability.

  • Fortinet

    Fortinet provides integrated cybersecurity solutions, including dedicated FortiDDos appliances and services, designed for high-performance protection against all types of DDoS attacks, including volumetric floods.

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