Not all safes guard against fire or water, so make sure your choice meets your needs. Fireproof safe ratings indicate how safe the contents inside remain at certain temperatures. A safe rated at 350 degrees can protect paper documents. But if you need to safeguard computer drives, hard disks, or photographic materials, consider a safe that doesn’t exceed 150 degrees. If you’re concerned about floods or water damage, make sure the description of the product you’re considering clearly states it’s waterproof.