War Fears Turn Digital After Data Siege in Estonia - New York Times

Interesting times 

For NATO, the attack may lead to a discussion of whether it needs to modify its commitment to collective defense, enshrined in Article V of the North Atlantic Treaty. Mr. Aarelaid said NATO’s Internet security experts said little but took copious notes during their visit.

Because of the murkiness of the Internet — where attackers can mask their identities by using the Internet addresses of others, or remotely program distant computers to send data without their owners even knowing it — several experts said that the attackers would probably never be caught. American government officials said that the nature of the attacks suggested they were initiated by “hacktivists,” technical experts who act independently from governments.

Source: War Fears Turn Digital After Data Siege in Estonia - New York Times