wi-fi comes with a privacy risk too. is it safe for me to go on there? it is very easy for an intruder to see pretty much everything you are doing. reporter: an opportunity for hackers, some setting up fake wi-fi hot spots to entrap you. when we set up a free public wi-fi three androids, two iphones and an ipad. reporter: users were logging in in less than five minutes. simple tips put your router in the center of the home. not near a window. always accept the software updates on your phone. watch the password. make them difficult. the longer, the better. important steps to prevent anyone from peeking into our entire lives. linsey davis, abc news, new york. there are tips on how we can protect ourselves. don t overshare on social media. make sure that you re not using your birthday and graduation day for everything because, of course, we use those for passwords. if you re posting pictures of those days, people can figure out what they are and type them
well, the error risk is tremendous risk to anyone who is stopped by the police, questioned and had their photo snapped under this program but the privacy risk is also real because there are clear legal standards for the search of an individual when they re in public space. there are clear legal standards for law enforcement to take a fingerprint. they have to have reasonable suspicion that the individual is a suspect in a crime. but right now the only clear legal standard that s out there concerning this sort of technology is one legal standard that says, police can take photographs of individuals in public spaces as they will. another legal standard that says, this sort of invasive search should be subject to a warrant requirment or probable cause. so those two standards run up against each other and you get real confusion in the field about when it s appropriate and when it is inappropriate to use this sort of technology. that s why our view congress ought to step in before the pro