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By Hongliang Liu and Yuriy Yuzifovich Originally posted on December 29, 2017 Today's post is all about DGA's (Domain Generation Algorithms): what they are, why they came into existence, what are some use cases where they are used, and, most importantly - how to detect and block them. As we will demonstrate here, the most effective defense against DGAs is a combination of traditional methods with modern machine intelligence.
With the recent influx of news reports regarding security incidents, more Chief Information Security Officers (CISOs), Chief Information Officers (CIOs), and IT professionals are reviewing current security infrastructures, policies, and practices to identify potential weaknesses in their security posture. This has long been best practice, but with the progressive use of various attack and threat vectors now employed by malicious actors against businesses, this practice must be constantly in play
Just like that, another Akamai Edge has come and gone. If you were able to join us this year, I hope you had a chance to stop by my presentation on Threat Intelligence Insights: An In-Depth Analysis of a Fast Flux Botnet.
Service providers looking to enhance and secure the online experience for their residential and business subscribers often struggle to find solutions that are easy for their customers to configure and use - particularly when it comes to setting policies that carry across fixed, mobile and converged networks. This type of simple, seamless management is actually a key distinguishing feature of Nominum, now part of Akamai, solutions. And not just from
In case you haven't been paying attention, an unlikely technology, the Internet's Domain Name System, or DNS, is experiencing a renaissance. For much of its existence, DNS has maintained a simple and singular function - to resolve Internet names to IP addresses. Over the past several years, however, DNS, or more specifically, the recursive DNS (rDNS) resolver, has assumed a number of new roles, made possible by the fact that
Written by Asaf Nadler and Avi Aminov Spyware is a malicious software (malware) used to gather information about a person or organization without their consent. In a typical setting, a remote server, that acts as a command and control server (C&C), waits for an incoming connection from the spyware that contains the gathered information. Statistics reported by Avast estimate that nowadays over 100M types of spyware are active worldwide. In
Provider networks continue to experience growth in traffic, which raises costs, without corresponding growth in revenues. Accommodating this growth and increasing complexity while managing costs is forcing CSPs to assess how they build and maintain their networks. Everyone agrees everything ultimately resolves to software and fortunately there's been considerable innovation that will support provider business imperatives.
DNS was first conceived in 1983, back when one of the most memorable movie quotes of all time was popularized: "Go ahead, make my day" (Clint Eastwood in "Sudden Impact"). The internet as we know it today did not yet exist; however, ARPANET, its predecessor network, was the exclusive domain of a small group of academics and researchers, so no one gave much thought to security. A lot has changed.
Background Akamai Technologies recently contributed its "Serve Stale" DNS algorithm to Version 9 of the Internet Systems Consortium's (ISC) Berkeley Internet Name Domain (BIND) open source Domain Name System (DNS) project. As the Internet's most widely used DNS implementation, BIND operates ubiquitously throughout the Internet. The ongoing availability of answers from BIND servers is a critical element for the ongoing availability of the Internet for many users.