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Aprenda DoS and DDoS attacks | Introduction to Cyber Security
Cybersecurity Fundamentals

bookDoS and DDoS attacks

A Denial of Service (DoS) attack is a malicious attempt to disrupt the normal functioning of a targeted server, service, or network by overwhelming it with a flood of internet traffic. This traffic flood is typically generated from a single source. These attacks can inflict significant damages by rendering targeted services unavailable, causing financial losses, disrupting business operations, and potentially leading to data breaches.

A Distributed Denial of Service (DDoS) attack is an extension of a DoS attack, where the malicious traffic comes from multiple compromised computers, forming a botnet. This coordinated effort to overwhelm a target makes DDoS attacks more potent than traditional DoS attacks.

How to prevent DoS and DDoS attacks?

  • Network Monitoring:

    • Regularly monitor network traffic for unusual patterns;
    • Detect and analyze sudden spikes in traffic that may indicate a DoS or DDoS attack.
  • Load Balancers:

    • Distribute incoming traffic across multiple servers using load balancers;
    • Helps prevent overwhelming a single server and ensures service availability.
  • Rate Limiting:

    • Implement rate-limiting mechanisms to restrict the number of requests a user or IP address can make within a specified time frame;
    • Reduces the impact of flooding attacks.
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Seção 1. Capítulo 5

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A Denial of Service (DoS) attack is a malicious attempt to disrupt the normal functioning of a targeted server, service, or network by overwhelming it with a flood of internet traffic. This traffic flood is typically generated from a single source. These attacks can inflict significant damages by rendering targeted services unavailable, causing financial losses, disrupting business operations, and potentially leading to data breaches.

A Distributed Denial of Service (DDoS) attack is an extension of a DoS attack, where the malicious traffic comes from multiple compromised computers, forming a botnet. This coordinated effort to overwhelm a target makes DDoS attacks more potent than traditional DoS attacks.

How to prevent DoS and DDoS attacks?

  • Network Monitoring:

    • Regularly monitor network traffic for unusual patterns;
    • Detect and analyze sudden spikes in traffic that may indicate a DoS or DDoS attack.
  • Load Balancers:

    • Distribute incoming traffic across multiple servers using load balancers;
    • Helps prevent overwhelming a single server and ensures service availability.
  • Rate Limiting:

    • Implement rate-limiting mechanisms to restrict the number of requests a user or IP address can make within a specified time frame;
    • Reduces the impact of flooding attacks.
question mark

What does DoS stand for in the context of cybersecurity?

Select the correct answer

Tudo estava claro?

Como podemos melhorá-lo?

Obrigado pelo seu feedback!

Seção 1. Capítulo 5
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