ＫＤＤＩ社員自殺 長時間労働などで労災認定
https://www3.nhk.or.jp/news/html/20190329/k10011866181000.html
https://news.kddi.com/kddi/corporate/newsrelease/2019/03/29/3703.html

【ＫＤＤＩ】４６１３人に残業代未払い　社員自殺後に判明
https://asahi.5ch.net/test/read.cgi/newsplus/1553858630/
https://www.asahi.com/articles/ASM3Y56RLM3YULFA03B.html