5 Biggest Companies That Have Been Hacked

1. China National Petroleum

Total revenue of the company in 2019 (in millions of dollars): 379,130

Total profits of the company in 2019 (in millions of dollars): 4,443.2

Total assets of the company in 2019 (in millions of dollars): 608,085.6

Total employees of the company in 2019: 1,344,410

Topping our list of the 5 biggest companies that have been hacked is the Chinese oil and gas company, which was attacked by a malicious ransomware called “WannaCry” that hit more than 150 countries all over the world in 2017. Reports from South China Morning Post stated that over 20,000 gas stations in China went down after the attack, unable to accept credit cards. The ransomware infected systems by locking them and then demanding a large sum in the form of bitcoins to unlock it.

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