On June 15, a flurry of reports on a number of different services in the U.S. have indicated that the country may be experiencing a coordinated DDoS, or “distributed denial of service” attack. These attacks are malicious attempts to disrupt or shut down targeted servers by overwhelming them with traffic from multiple sources.
https://www.forbes.com/sites/jessed...large-scale-ddos-attack-others-are-skeptical/
Its also trending on Twitter.