Microsoft Azure Network Security

Chapter 6

Mitigating DDoS attacks

Distributed denial-of-service (DDoS) attacks continue to grow in both intensity and prevalence. The goal of a DDoS attack is to disrupt the availability of a service to its intended consumers. The distributed nature of these attacks (distinct to regular denial-of-service attacks) means that the attacks originate from multiple remote sources. The mechanisms used by attackers to carry out this disruption are both inexpensive and effective, which enables a continuing upward trend in attack volume and frequency.

Any service that is accessible over the internet, including those hosted in Azure, are potential targets for DDoS attacks. Many companies host their primary websites in Azure, and an interruption in availability ...