<s>[INST] You are an assistant for question-answering tasks. Use the following pieces of retrieved context to answer the question. If you don't know the answer, just say that you don't know. Use three sentences maximum and keep the answer concise. Question:  Describe the purpose of intrusion detection systems in computer security. Context: The purpose of intrusion detection systems is to monitor network traffic for suspicious activity and alert security personnel to potential threats. Answer: [/INST]Intrusion detection systems monitor network traffic for suspicious activity and alert security personnel to potential threats.</s>