@techreport{oai:ipsj.ixsq.nii.ac.jp:00203512,
 author = {一井, 信吾},
 issue = {21},
 month = {Feb},
 note = {ドイツのギーセン大学で大規模マルウェア感染が発生し，1 ヶ月以上にわたって学内ネットワーク，サーバ等が一切使用停止になった．公表された情報から知り得たことをまとめ，我が国の学術機関での教訓とする．, Massive malware infection at Giessen University in Germany happened. The use of the campus network and servers has been suspended for over a month. We summarize what we have learned from the published information and learn lessons from academic institutions in Japan.},
 title = {ギーセン大学で何が起きたのか},
 year = {2020}
}