Director of a limited liability company

The director of the limited liability company “Ray” issued an order to dismiss the employee Korenev. The employment contract signed by Korenev in the section “Employee Responsibilities” contains a clause on compliance with the “Privacy Policy”. In addition, the employment contract in the section “Termination of the contract on the initiative of the administration” provided for the possibility of dismissing an employee for violation of this provision (as an additional basis for termination of the employment contract). The Directorate of Luch LLC proved the facts of information disclosure by employee Korenev, which ultimately led to the loss of the partnership. Korenev believed that the dismissal was illegal.
Describe the procedure for concluding an employment contract, indicate its main and additional conditions. Are the actions of the administration of Luch LLC legal? Where can Korenev turn for a resolution of the dispute? Use Article 81 of the Labor Code of the Russian Federation.