In recent years, the number of cyberattacks has increased significantly. Most enterprises need reliable protection of the intracorporate networks. Intrusion prevention systems allow timely and automatic response to threats of various kinds that cannot be identified by firewalls, anti-viruses and other security systems. Many companies are represented on the market, providing their signatures to implement intrusion prevention systems developed by manufacturers of network equipment or personal security. There is a need to preserve the confidentiality of these rules with the implementation of the possibility of application on devices commercial users. That’s why systems for the distribution of licensed content to consumer devices are being developed. However, it is necessary to ensure a high level of security of such systems, to avoid leaks of classified data provided by third-party vendors.