This document discusses social media misconduct and related data protection issues in the workplace. It provides background on social media usage and outlines two main types of social media misconduct: inappropriate behavior exposed through social media and derogatory comments posted on social media. It examines legal issues related to misconduct, discrimination, and vicarious liability for social media posts. Case law principles for determining misconduct are discussed, including factors like seriousness of conduct, disclosure of confidential information, and damage to employer reputation. The importance of having a clear social media policy is emphasized. Data protection implications of monitoring employees' social media are also summarized.