"Dmitri Galushkevich used his home PC to launched a denial-of-service attack that knocked down the Web site for the political party of Estonia's prime minister for several days..."
He was fined 17,500 kroons (approx. US$ 1,642).
The motive for the attack was to protest the relocation by the Estonian government of a statue to Russian war veterans.
Student Convicted in Attack Against Estonian Web Site
Another article on the conviction is available at:
Estonia convicts first 'cyber-war' hacker: prosecutors