WordPress 4.1 added the option to logout users manually from within the WordPress admin area. The latest update of Simple History will log those logouts, so you can see who logged out who and when.
Simple History 2.0.6 is out. New: logs user sessions logouts (added in WordPress 4.1) + more https://t.co/xTyDBA62p5 pic.twitter.com/6O9IIPdvaq
— Pär Thernström 🇺🇦 (@eskapism) December 21, 2014