@article{oai:ipsj.ixsq.nii.ac.jp:00204900,
 author = {楠, 正憲 and KUSUNOKI, Masanori},
 issue = {7},
 journal = {情報処理},
 month = {Jun},
 pages = {714--718},
 title = {さようなら，意味のない暗号化ZIP添付メール：2．PPAPのセキュリティ意義},
 volume = {61},
 year = {2020}
}