THE MAIN THREATS TO INFORMATION DURING RADIO TRANSMISSION AND METHODS OF ITS PROTECTION

DOI: 10.31673/2409-7292.2025.015925

Abstract

Due to the rapid development and spread of remote-control systems that use a radio channel to transmit commands, the
issue of ensuring reliable protection of transmitted data is becoming more urgent. Such systems are actively used in many
industries, in particular, in automated access control systems, home automation, industry, medicine and in the concept of the
Internet of Things. The popularity of radio channel systems is explained by the low cost of implementation, ease of
configuration, and the absence of the need to lay cable lines, which significantly simplifies their operation and reduces the initial
costs of installing equipment. However, the use of an open radio channel creates serious risks to information security due to the
availability of the air for interception and interference by third parties. The most relevant are threats to information
confidentiality (listening and interception of transmitted commands), threats to authenticity (replay attacks that allow you to
imitate commands from legitimate transmitters) and threats to data integrity (intentional or accidental distortion of messages in
the transmission channel). The implementation of protection is complicated by the limited technical characteristics of remotecontrol devices with small computing resources and energy constraints. The paper analyzes the above threats and proposes a set
of effective methods for protecting information. It is recommended to use hybrid cryptographic schemes that combine symmetric
and asymmetric crypto algorithms with the formation of unique session keys to ensure the confidentiality of data transmission.
To protect authenticity, it is proposed to use time stamps and one-time pseudo-random identifiers, which significantly reduces
the likelihood of successful implementation of replay attacks. To ensure the integrity of information, it is recommended to use
noise-resistant coding, in particular, the Reed-Solomon code, which allows not only to detect, but also to effectively correct
errors that arise as a result of external influences or intentional interference in the operation of the radio channel.
Keywords: remote control, radio channel, encryption, authentication, replay, noise-resistant coding.

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