система обнаружения попыток вторжения в сеть(specialized software designed to detect suspicious activity, potential threats, and intrusions in real-time, helping to safeguard an organization's network infrastructure and resources Alex_Odeychuk)
система предотвращения попыток вторжения в сеть(A security solution designed to safeguard an organization's network from potential threats, unauthorized access, and malicious activities. It actively monitors, analyzes, and controls network traffic in real-time. By detecting and blocking suspicious or malicious behavior, it prevents intrusions and attacks from causing harm to the network or its resources before they have the chance to inflict damage Alex_Odeychuk)