3. Max “Iceman” Butler
We are continuing our list of biggest hackers the world has ever known with Max Butler,who is known better for his alias Iceman, began his career as an online security consultant. He served as an informant for FBI after they found him trying to hack their network in 1998. After a brief time, he decided to quit and was eventually sentenced to 18 months in jail. However, his biggest hack happened 9 years later, in 2007, when he stole 2 million credit card numbers that he used for various purchases. He is currently serving 16-year prison sentence.
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