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Security
The Federal Central Tax Office as part of the federal financial administration and the Federal Information Technology Center - as the federal IT service provider, are committed to IT security in the BZSt online.portal. The protection of confidential information and the guarantee of availability and integrity of all data to be processed within the scope of the BZSt online.portal and their processing systems must be guaranteed.
IT-security in the BZSt online.portal
The BZSt online.portal is subject to various legal requirements for IT security. When data is transmitted electronically, a large number of legal regulations must be observed, which make the proper handling of electronic data a challenging task. The most important legal regulations include:
- Fiscal Code (AO)
- Tax Data Retrieval Ordinance (StDAV)
- Federal Data Protection Act (BDSG)
The services of the BZSt online.portal are provided on the basis of the BSI's own IT infrastructure.
Security of the Data
Electronic transmission takes place at the BZSt online.portal via the Internet. To protect tax secrecy, the tax data is transmitted in encrypted form by the user to the Federal Central Tax Office. For this purpose, a hybrid encryption was chosen, which corresponds to the current state of security technology. The integrity of the data is guaranteed by a hash code.
Transmission Paths
Electronic transmission takes place at the BZSt online.portal via the Internet.