The leadership can block anything they want on a work-supplied device. They might get the Works Councils on board but generally they can. However they can not

The leadership can block anything they want on a work-supplied device. They might get the Works Councils on board but generally they can. However they can not reduce private social life to zero at work [1]. And there the employees are guaranteed privacy. NB: This was pre GDPR. This however does not go so far, that people must be allowed private chatting apps on work phones. They can and should use their private phones. [1]https://www.jacksonboyd.co.uk/barbulescu-v-romania-work-related-messages-private/#:~:text=The%20Grand%20Chamber%20judgment%20held,in%20the%20workplace%20to%20zero. https://www.jacksonboyd.co.uk/barbulescu-v-romania-work-rela...