Nike shoes. Just because a Bluetooth connection has less range than the average home WiFi network, the theoretical risk is less on a DeLonghi than a Smarter Coffee. A brief search on the topic found no vulnerabilities in the above machines which cyber-criminals are exploiting. Your daily dose of coffee – with or without an internet connection – is safe for now. But just remember, if it is software and it’s connected, there is an above-zero probability that it can be hacked.