<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 role of encryption in computer security. Context: Encryption plays a crucial role in computer security by scrambling data to make it unreadable to unauthorized users. Answer: [/INST]It scrambles data to make it unreadable to unauthorized users.</s>