When people look for logos or symbols that emanate security, they often choose a lock. Sure, we know locks can be picked. But what would the world look like if attackers could just walk in without breaking their stride? After years of research, two F-Secure researchers have discovered that by exploiting design flaws in an electronic hotel lock system used in tens of thousands of hotels worldwide, they could create a master key to open any room in the building. In this episode, F-Secure’s Tomi Tuominen and Timo Hirvonen share their story, plus they get real with the unvarnished truth about hacking. The road wasn't easy, but these guys proved that after countless dead ends you can still come out on top.  Links:  Episode 7 blog post and transcript Hotel lock hack webpage & FAQ Hotel lock hack presentation at Infiltrate 2018