The collection and processing of your personal data by your employer indisputably limits your right to private life. If you have not consented to the actions taken and/or if you consider that your data is being processed in an unlawful or disproportionate manner, you can challenge the actions taken by your employer.
Joint publication by the EU Agency for Fundamental Rights and the Council of Europe
9 October 2015
See Summary on case law regarding the access to data
(2019-2019), pages 44-49