Greenstadt is the director of Drexel’s Privacy, Security and Automation Laboratory where she leads a team of computer scientists that design trustworthy intelligent systems – systems that act autonomously with integrity, so they can be trusted with important data and decisions. Her work incorporates theories of artificial intelligence, psychology, economics, data privacy and system security. One of the lab’s biggest projects is focused on using machine learning to understand textual communication, the tools her team has developed can determine the author of an anonymous piece of text or guide a writer in how to make their writing truly anonymous – without patterns. Greenstadt has been interviewed for stories in The New York Times, Boing Boing, The New Yorker, The New Scientist and The Philadelphia Inquirer about using linguistics to identify hackers, ways to protect your identity online, and the growing use of CAPTCHA for cybersecurity. She also commented in several stories about how her tool was used to determine that famed author of the “Harry Potter” series, J.K. Rowling, had penned a new book under a pseudonym.
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