The Mifare chip is used in transport cards (i.e. subway passes) around the world. It had poor security. Researchers hacked it. They published. The company,

The Mifare chip is used in transport cards (i.e. subway passes) around the world. It had poor security. Researchers hacked it. They published. The company, NXP, sued. A Dutch court wisely ruled: "Damage to NXP is not the result of the publication of the article but of the production and sale of a chip that appears to have shortcomings."