A group of hackers say they gained access to live feeds of 150,000 security cameras inside hospitals, prisons, schools and companies, including a Tesla factory. The hackers say they breached a massive trove of security-camera data collected by Silicon Valley startup Verkada Inc., gaining access to live feeds of 150,000 surveillance cameras inside hospitals, companies, police departments, prisons and schools. The data breach was carried out by an international hacker collective and intended to show the pervasiveness of video surveillance and the ease with which systems could be broken into, said Tillie Kottmann, one of the hackers who claimed credit for breaching San Mateo, California-based Verkada. Kottmann, who uses they/them pronouns,…