2021 — Company hacked, data posted for sale on hacking forum. 2021 5.0M records affected Share on X Data compromisedPersonal Technical writeup Company hacked, data posted for sale on hacking forum. Root cause Hacking: Unknown Referenceshttps://cybernews.com/security/5-million-adecco-com-users-data-leaked/?&web_view=truehttps://www2.staffingindustry.com/eng/Editorial/Daily-News/World-Adecco-Group-investigating-serious-data-breach-56940