Cloud-based backup service Crashplan came in the No. 3 spot behind Box. The firm is also a mature organization having been founded in 2001.The company said it encrypts data at the source keeping it secure throughout transit and storage. Enterprises can choose between storing data privately or in a public cloud, depending on risk tolerance. The company said its public cloud offering is extremely secure because it first encrypts data on the device and then scrambles the transmission using AES 128-bit encryption before being stored in its public cloud.