Abstract
The analysis of the current state of CAD is carried out. The article describes the position of advanced CAD information security equipment. Since any CAD system is a non-standard information system, an individual approach to guarantee its security is required. Special attention is paid to the need for a rational combination of cryptographic and steganographic methods to protect project documentation from unauthorized access. Based on theoretical provisions and practical data, the issues of reliable and secure transmission of project documentation over fiber-optic communication lines are considered. It is concluded that when considering the state of information security of design automation systems used in enterprises with project documentation for classified products, as well as dual-use products, reliable security tools should be created, for which it is necessary to use all the tools implemented in field of information security, including steganographic, cryptographic and hardware methods of ensuring it.
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