A Distributed Denial of Service (DDoS) attack is a malicious attempt to disrupt the normal functioning of a , service, website, or online platform by overwhelming it with a flood of traffic from multiple . These attacks are "distributed" because they typically involve a network of compromised (often referred to as a botnet) that coordinate to flood the target with traffic. The sheer volume of traffic exhausts the target's , rendering it inaccessible to legitimate users.
To defend against DDoS attacks, one can consider using a DDoS mitigation service or appliance that can detect and out malicious traffic before it reaches your network or server. Implementing traffic analysis can help detect abnormal traffic patterns and identify potential DDoS attacks early. Additionally, using a Content Delivery Network (CDN) allows the distribution of website content across multiple servers and locations, reducing the impact of DDoS attacks by absorbing .
Ensuring that your infrastructure is and can handle sudden traffic spikes is crucial. Load balancing can distribute traffic evenly across multiple . It is also important to implement rate limiting and traffic shaping to control the rate at which incoming is processed. Using a Web Application Firewall (WAF) helps filter out malicious traffic and protect against application layer DDoS attacks. Finally, deploying intrusion detection and prevention systems (IDPS) can detect unusual or suspicious traffic .
