The Russian government has denied any involvement in the attacks, which came close to shutting down the country’s digital infrastructure, clogging the Web sites of the president, the prime minister, Parliament and other government agencies, staggering the biggest Estonian bank and overwhelming the sites of several daily newspapers.
“It turned out to be a national security situation,” Estonia’s defense minister, Jaak Aaviksoo, said during an interview. “It can effectively be compared to when your ports are shut to the sea.”