This week, RSA, one of the biggest cybersecurity conferences of the year took place in San Francisco. Researchers demonstrated lots of new reasons to freak out about your data security, but they also highlighted new techniques for staying safe. There\u2019s the clever new tool that can protect Macs using Apple\u2019s video game logic engine. And the NSA even made an appearance, revealing an open-source version of a powerful cybersecurity tool that agency had developed in house.