David Williamson, CEO, EfficientIP

Author Archives: David Williamson, CEO, EfficientIP

How to stay ahead of threats to DNS servers

This vendor-written tech primer has been edited by Network World to eliminate product promotion, but readers should note it will likely favor the submitter’s approach.

Gartner predicts more than 30 billion devices will be connected by the Internet of Things (IoT) by 2020, and Domain Name System (DNS) servers are critical to keeping it all running. However, the number, frequency and variety of attacks on DNS servers is rising, putting businesses and initiatives like IoT at enormous risk. The good news is, there are steps you can take to mitigate these attacks.

The DNS system translates easily memorized domain names into the numerical IP addresses needed for locating computer services and devices worldwide. According to the Internet Corporation for Assigned Names and Numbers (ICANN), there are 30 to 50 million DNS servers on the planet. These servers are being hit by four main types of attacks: zero-day, cache poisoning, denial of service (DoS) and distributed denial of service (DDoS).

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