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"It is said that eternal vigilance is the price of liberty...We must continue to work together to make the internet a more resilient place to work, play and communicate," wrote Dyn's Chief Strategy Officer in a Saturday blog post. An anonymous reader reports: Dyn CSO Kyle York says they're still investigating Friday's attack, "conducting a thorough root cause and forensic analysis" while "carefully monitoring" for any additional attacks. In a section titled "What We Know," he describes "a sophisticated attack across multiple attack vectors and internet locations...one source of the traffic for the attacks were devices infected by the Mirai botnet. We observed 10s of millions of discrete IP addresses associated with the Mirai botnet that were part of the attack." But he warns that "we are unlikely to share all details of the attack and our mitigation efforts to preserve future defenses."

He posted a timeline of the attacks (7:00 EST and 12:00 EST), adding "While there was a third attack attempted, we were able to successfully mitigate it without customer impact... We practice and prepare for scenarios like this on a regular basis, and we run constantly evolving playbooks and work with mitigation partners to address scenarios like these." He predicts Friday's attack will be seen as "historic," and acknowledges his staff's efforts to fight the attack as well as the support received from "the technology community, from the operations teams of the world's top internet companies, to law enforcement and the standards community, to our competition and vendors... On behalf of Dyn, I'd like to extend our sincere thanks and appreciation to the entire internet infrastructure community for their ongoing show of support."
Online businesses may have lost up to $110 million in sales and revenue, according to the CEO of Dynatrace, who tells CNN more than half of the 150 websites they monitor were affected.

First time accepted submitter mkitchin (1285710) writes in with news about Dyn ending its free DNS service. "For the last 15 years, all of us at Dyn have taken pride in offering a free version of our Dynamic DNS Pro product. What was originally a product built for a small group of users has blossomed into an exciting technology used around the world. That is why with mixed emotions we announced the end of that free hostname program today, officially turning down on May 7th."

funfail writes in with the news that, five days ago, EveryDNS was sold to DynDNS.com. From the announcement and e-mail from EveryDNS's founder, David Ulevitch: "Since starting EveryDNS in June of 2001 while a freshman in college, my goal has always been to provide simple, reliable and secure DNS services to the Internet community. I'm proud to say that we've lived up to that mission and delivered robust DNS services to over 400,000 domains. Nearly 9 years later, it's now time to put the service in more capable hands and I'm happy to announce that I've found a great home for EveryDNS. I have sold the EveryDNS service to Dyn Inc., the operators of the immensely popular DynDNS.com service." EveryDNS has been one of the most popular free (or one-time donation) DNS suppliers. From the FAQ at the link above: "Will the service remain free? While we don't 100% have the answer to that yet, we will not be making any changes to the service you are currently receiving for the foreseeable future. We will be discontinuing signups in the near future but existing accounts will remain active and fully functional."