Supermarket fridge hacking attacks due to lack of basic cybersecurity measures, expert says

French investigators on Tuesday ​were hunting the hackers who seized control of cooling units at hundreds of supermarkets in a cyberattack that underlined the vulnerabilities of connected systems, with no group publicly claiming responsibility. FRANCE 24's Sharon Gaffney speaks with Marta Rybczynska, cybersecurity expert at Ygreky. She says that basic measures like regularly updating software or passwords are essential to prevent hacking attacks.