Adults don't know how to protect themselves online, according to the Cal Poly Cyber Security Institute. With scammers and hackers working harder than ever, local experts are sounding off on what you can do to stay safe online. Henry Danielson with the Cal Poly Cyber Security Institute says one in five people have had email or a social media account hacked. He likens cyber security to locking up your home: Don't leave the door open and make it easy for those looking to take advantage. Cal Poly says there are over 55,000 cyber security job openings in California.