- the disciplinary sanction is proportionate to the harm caused; and
- the company has spelled out clear rules about what employees can and cannot post online.
Gagging order
3 mins read
Many employees routinely use social media websites, both in company time and out of hours – but how can you stop them posting damaging remarks online? Employers must have a clear policy, as Gemma Taylor explains

Not long ago, it was common for employers to ban the use of company equipment for personal internet access. But nearly one in three adults now owns a smartphone, making it possible for them to chat on Facebook while managers are not looking, bypassing monitoring procedures. Evidence suggests that UK business could be losing millions of pounds in lost productivity through employees using social media sites at work.
Employers need to set realistic limits on personal social media use and be prepared to monitor compliance, including challenging employees on excessive smartphone use where appropriate.
The reputational risk
What about what employees do outside of work time? There are no binding court decisions on how far employers can control what employees say on Facebook in their own time. However, there are some employment tribunal judgments, including: Preece v Wetherspoons, where a shift manager of a pub was dismissed for insulting a customer on Facebook; Witham v Club 24, where an employee was dismissed for agreeing on Facebook that her colleagues and customers were "planks"; and Crisp v Apple Retail where an employee was dismissed for criticising the Apple brand to his Facebook friends.
Employees may complain that disciplining them for what they say to their Facebook friends in their own time is an unwarranted interference with their human rights to privacy and freedom of expression. The emerging case law, however, suggests that this interference with human rights can be justified, but only when: