The ideal solution is an Intelligent DDoS Mitigation System (IDMS) that can stop both volumetric and application-layer DDoS attacks. What’s more, IPS devices and firewalls are stateful, inline solutions, which means they are vulnerable to DDoS attacks and often become the targets themselves. While such security products effectively address “network integrity and confidentiality”, they fail to address a fundamental concern regarding DDoS attacks-“network availability”. Meanwhile, a firewall acts as policy enforcer to prevent unauthorized access to data. IPS devices, for example, block break-in attempts that cause data theft. IPS devices, firewalls and other security products are essential elements of a layered-defense strategy, but they are designed to solve security problems that are fundamentally different from dedicated DDoS detection and mitigation products.
Why IPS Devices and Firewalls Can’t Stop DDoS Attacks It also describes how an intelligent DDoS mitigation system (IDMS) offers an ideal solution by enabling a layered defense strategy to combat both volumetric and application-layer DDoS attacks. This article examines why IPS devices and firewalls fail to stop DDoS threats. What’s more, when services are unavailable due to external attacks, it can be sensational and unwelcome front-page news-especially when the damages could have been easily prevented. When business-critical services are not available, enterprises and IDC operators lose money and damage important customer relationships. Unfortunately, such deployments can actually expose these organizations to service outages and irate customers. They think they have secured their key services against DDoS attacks simply by deploying intrusion prevention system (IPS) devices or firewalls in front of their servers. When it comes to DDoS protection, many enterprises and Internet data center (IDC) operators have a false sense of security. While DDoS attacks may have been driven by non-economic reasons in the past, they now have monetary drivers including extortion, competitive advantage and corporate revenge. As a result, the growing scale and frequency of Distributed Denial of Service (DDoS) attacks are taking a toll on these businesses. The growing adoption of online retailing, Internet banking, cloud-based data storage and other commercial services represents a natural evolution of Internet use.įor online businesses, however, any downtime can dramatically impact the bottom line. As e-commerce continues to proliferate and deliver profitable results, more business is being done online.
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