Classified information may only be handled and stored using approved equipment. Because once the information has been classified, there are a number of minimum requirements for storage and transportation, for example.
The classification rules are described in the Security Circular (in Danish).
Classification
Watch this video to find out what characterizes the different classification levels, how to use them, and so on:
Transport
Transport of classified information typically carries a number of risks – it is therefore important that you know the rules that apply.
Watch this video on how to transport classified information correctly:
Handling and storage
When you handle and store classified information, you must generally make sure that it is protected from unauthorized disclosure.
Watch this video on how to handle and store classified information:
Portion marking
You can turn to portion marking if you have a document and you want to share parts of it with a wider audience – but parts of it are classified too high for the readers.
Watch this short video on portion marking:
Security clearances
Anyone who requires access to classified information needs a security clearance.
Watch this video on how to obtain a security clearance (watch the video on YouTube in order to chose English subtitles):