<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:  Summarize the role of data classification in data security. Context: Data classification plays a vital role in data security by categorizing data according to sensitivity and importance. Answer: [/INST]It categorizes data based on its sensitivity and importance.</s>