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The Domain Name System - the DNS - is the foundation of the internet. Beyond connecting IP addresses with web requests, DNS provides the basis for both the detection of and protection from global cyberthreats before they reach an organization's corporate network resources --particularly given that more than 90% of malware uses DNS for command and control. This presents a tremendous opportunity for service providers to utilize their DNS infrastructure
With cyberattacks affecting SMBs at an alarming rate, business owners are challenged with putting strong enough security in place to protect them from the average $20,000 price tag per incident. Ransomware, in particular, has hit the SMB sector hard. As stated in a recent study by Arctic Wolf Networks, last year saw a 433% increase in ransomware attacks against SMBs1 - a number that is expected to grow.
Written by Avi Aminov and Or Katz Overview Imagine you are standing in the middle of a crowded train station and want to have a private conversation with an old friend. You've been waiting for the perfect time to contact him and get some advice on how to move forward with some important life choices. But you couldn't wait any longer, and now you're on a train platform. There are
Last time I talked about how a proactive approach to defending against targeted threats using cloud-based recursive DNS and threat intelligence just makes sense. Taking this proactive approach early in the killchain can help mitigate known and unknown threats before any IP connection, file download or execution even happens. So, what are some of the common targeted threats and/or DNS-based techniques that we run across? We generally see malware, ransomware,
By now you've most likely heard about the WannaCry (a.k.a. WannaCrypt) ransomware that began wreaking havoc in parts of the world this past Friday (May 12, 2017). Given Nominum's, now part of Akamai, broad, deep view into DNS data from our service provider customers around the world, we were able to gather insights into how WannaCry made its way onto subscriber networks around the globe (see the WannaCry: views from
DNS-based DDoS attacks have gained mindshare among Akamai customers lately, most recently with last year's Dyn attacks (written about on the Akamai Blog here and here) and this week's attack against Cedexis. DNS infrastructure is a ripe target for malicious actors hoping to disrupt a digital property's availability because it provides the initial resolution for an end user's browser client from hostname to IP address. At best, an attack against
Excerpted from Nominum Spring 2017 Security Report In late April, we released the Nominum Spring 2017 Security Report, the latest report on our security research team's DNS and HTTP analysis which provides a comprehensive view of the current cyberthreat landscape. In the report, we take a look at "new core domains" and how they help us identify "zero-day attacks" so we can take steps mitigate them.
We all know what happens whenever anyone or anything tries to access a resource on the Internet. It all starts with a DNS request that translates a URL (www.akamai.com) into an IP address (188.8.131.52): Now if we dive a little deeper into the DNS request flow we can see the requester make a request to the recursive DNS infrastructure of either their ISP or their enterprise. In other words recursive
Inside the Mind of a CybercriminalThe rise of open source malware, IoT-based threats, and criminal services-for-hire is fomenting a new era in cybercrime. While global cybercrime is expanding and cybercriminals are stuffing their bank accounts, individuals and businesses (especially SMBs) are directly impacted. Many worry about the safety and security of their online experiences and what communication service providers (CSPs) are doing to protect them.