15 Biggest Companies That have been Hacked

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13. AT&T (NYSE:T)

Total revenue of the company in 2019 (in millions of dollars): 181,193

Total profits of the company in 2019 (in millions of dollars): 13,903

Total assets of the company in 2019 (in millions of dollars): 551,669

Total employees of the company in 2019: 247,800

An insider breach within the communications and entertainment conglomerate caused it to lose millions. A Pakistani man bribed a substantial number of AT&T employees to unlock over 2 million cell phones, paying over a million in bribes. He was also accused of hacking into the computers to gain access to the information he required himself, by installing malware.

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