In April 2007, Estonia’s banking, media and government presence online was disrupted by several waves of distributed denial of service attacks that knocked services offline. Estonia’s defense minister Jaak Aaviksoo has first-hand knowledge of what a cyberwar might feel like. Whether the 2007 incident was actually cyberwar is still “an open question,” he says. He says Estonia could be doing more to prepare for the next major cyber-incident, which he says will inevitably come about.”]
Source: https://www.csoonline.com/article/2125009/estonia-readies-for-the-next-cyberattack.html