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Personal Use of IT Devices at Work: When Could It Lead to Termination?

29. September 2025

The personal use of computers, the internet, or other IT devices at work is a sensitive issue. A recent ruling by the Rhineland-Palatinate Regional Labor Court (LAG) clarifies the applicable legal framework and under what conditions a violation can even lead to termination. Of particular relevance here is whether work time is used for personal purposes and whether there is an explicit prohibition by the employer.

Personal Internet Use – Permitted or Prohibited?

Employers may expressly prohibit their employees from using the internet or other IT resources for personal purposes during working hours. No justification is required for this. Exceptions exist only if there is a business-related reason for private use, such as urgent work-related research using personal tools.

In the absence of an explicit prohibition, private use may be permitted in certain cases. This is clearest when a corresponding provision is included in the employment contract or a company agreement. However, permission may also be implied if the employer tolerates personal use over an extended period without intervening.

Limits on Permitted Personal Use

Even if the private use of IT devices is permitted, it must not get out of hand. Excessive internet browsing, watching videos, or playing games during working hours diminish the required work performance and constitute a breach of duty.

Furthermore, the unauthorized downloading of large amounts of data from the internet can also constitute a serious violation—especially if this jeopardizes the company’s IT system, for example through viruses or technical malfunctions. In such cases, company resources are being used without authorization, which increases the severity of the breach of duty.

Termination and Written Warning: What Are the Legal Implications?

In principle, termination for breach of duty—whether ordinary or extraordinary—generally requires a prior warning. This is intended to give the employee the opportunity to change their behavior. A warning is only dispensable if it is already clear in advance that it would not bring about a change in behavior.

In its decision, the Rhineland-Palatinate Regional Labor Court emphasizes the importance of a formally valid warning with specific content. Particularly in cases of breaches of duty related to the use of company resources, a warning is required in most instances. Only in the event of a repeat, comparable breach of duty following a relevant warning is termination generally legally valid.

Conclusion: Clear rules prevent conflicts

It is advisable for employers to establish clear, written regulations regarding the private use of IT devices—ideally in the employment contract or in a company agreement. This prevents misunderstandings and strengthens the employer’s legal position in the event of a dispute.

For employees, the following applies: Even if personal use is permitted, it must remain within reasonable limits. Excessive use or actions that compromise security can have serious consequences under labor law—up to and including termination.


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