Germany has said it has evidence that Russian state-sponsored hackers were behind an “intolerable” cyber-attack last year in which several websites were knocked offline in apparent response to Berlin’s decision to send tanks to Ukraine.The German foreign minister, Annalena Baerbock, said a federal government investigation into the 2023 cyber-attack on the Social Democrat party (SPD) – part of Germany’s governing coalition and the party of chancellor Olaf Scholz – had just concluded.“Today we can...