As with most new technologies however, one of the most crucial challenges to their broad application is with regards to issues of personal, national and even international data security. Several news stories from all over the globe within recent years shines a glaring light on this critical issue, including the theft of approximately a million dollars from several ATMs, the collection of credit card information that affected millions of consumers when a Target was compromised starting with a relatively simple phishing attack, and even the acquisition of the private email correspondence of President Obama by a Russian hacking group.