Bear in mind that you - as a “Beamte” civil servant or state employee bound by the public service obligations act (Verpflichtungsgesetz) - are a public official and are thus held to a higher standard of behavior than employees in the private sector. When you signed up to your current position in the public sector, you were explicitly informed of what constitutes a corruption offence.
With your behavior, show that you neither tolerate nor support corruption.
Corrupt actions deserve neither solidarity nor collegiality. In your own interest, be careful. Reject attempts at corruption immediately and inform your superior without delay.
Keep your work and private life separate!
Make sure that you consistently keep your work and private life separate. Always check critically whether personal relationships (interests) could potentially conflict with your work-related activities.
Create transparency!
If you suspect that someone is seeking to ask you for preferential treatment in breach of your duties, consult a colleague. If an attempt is made to exert undue influence, inform your superior immediately.
Document all official decisions carefully and archive all documents that were relevant to your decision. In your own interest, attach importance to the correctness and transparency of your decisions. Comply strictly with the law and observe the regulations on accepting benefits and secondary employment. Bear in mind that by accepting minor favors you may make yourself vulnerable to blackmail or allow your decisions to be influenced.
Dealing with bias
In everyday working life, there may be frequent contact and overlaps between work and private life. In order to avoid a conflict between your professional and private duties, you should leave no doubt as to your objectivity. When assessing possible bias, you should always be guided by the question of how objectively you can make a decision, even a negative one, without feeling that you are not doing justice to one side or the other. A decision on bias may also be influenced by friendship, gratitude, enmity, rivalry, etc. If in doubt, inform your superiors.
Discretion
Despite the need for transparency, there is an obligation to maintain confidentiality about certain information. University employees swear themselves to secrecy and data protection in their oath of office or when they are hired. Do not pass on any information or documents from which external parties could benefit or which are confidential.