France blamed Iran for a cyberattack on supermarket freezers. The attack hit 700 stores. Hackers took control of cooling systems. Temperatures reached 50 degrees, so a lot of frozen food melted. Stores threw it away because it was not safe to eat. Iran said it didn't carry out the attacks. It blamed France.

Cyberattacks could be more dangerous in the future. A cybersecurity expert said 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 want to make their cybersecurity stronger.