Computer scientists say they have figured out how to crack a key from a widely used security fob. They say their experiment can pry open one model of the RSA dongle as well as similar tools produced by other companies. The researchers published their findings in a research paper to be presented at a cryptography conference in August. In March 2011, RSA announced that hackers had breached its data protection. A few months later, Lockheed Martin said its computer network had been penetrated by thieves exploiting that RSA hack.”]