Annotation

Annotation: Currently the following positions in the world have adopted: 1-the second most important features for any product, including services, (after the characteristics of appointment) are the safety characteristics; 2-the main characteristic of the safety of complex technical systems (CTS) is their functional safety; 3-functional safety of CTS is achieved by the adoption of risk reduction measures at all stages of their life cycle. Most of the hardware and software of information technology (IT) are the CTS. Therefore, they must to follow the requirements of basic standards for functional safety. The requirements for functional safety of IT systems is considered in the article.