France blamed Iran for a cyberattack on supermarket freezers and refrigerators. The attack hit around 700 stores. Hackers took control of the cooling systems in the freezers. Temperatures went up to around 50 degrees. A lot of frozen food melted. Stores had to throw it away. It was not safe to eat. France said the attack was on a level never seen before. Iran said it didn't carry out the attacks. It blamed the French government for them.

Security experts said cyberattacks could be more dangerous in the future. They could hit other things. A French cybersecurity expert said that at the moment, hackers are attacking easy-to-access things. Hackers could soon attack services like water and electricity. They could also attack hospitals, airports, public transport and banks. This can put people's lives in danger. European leaders said countries need to make their cybersecurity stronger.