Answer: B) Identity thieves can intercept unencrypted data being sent to Wi-Fi hot spots.
Explanation: Public Wi-Fi is the most harmful since it lacks security and is thus more easily accessed. Malware and memory can still be downloaded. Furthermore, in a more literal sense, your data allowance may not solely refer to Mobile Data. In some cases, it is also referred to as device memory or, more literally, memory. Technically, the solution you seek is the second one. However, any Wi-Fi network can do this.