<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 computer security. Context: The purpose of computer security is to protect computer systems and data from unauthorized access. Answer: [/INST]It is designed to protect computer systems and data from unauthorized access.</s>