The Mimecast Incident Report stated that the US Data Centers and disruption of millions of emails were caused by a DDoS (Distributed Denial of Service) attack on September 21 from “10:46 am EST – 5:32pm EST.” The September 25, 2015 Incident Report summarized the incident as:
Customers using our US
Continue Reading Mimecast Confesses that Cloud Mail Outage was DDoS Attack!