By Chong Xiang and Prateek Mittal In our previous post, we discussed adversarial patch attacks and presented our first defense algorithm PatchGuard. The PatchGuard framework (small receptive field + secure aggregation) has become the most popular defense strategy over the past year, subsuming a long list of defense instances (Clipped BagNet, De-randomized Smoothing, BagCert, Randomized […]
Toward Trustworthy Machine Learning: An Example in Defending against Adversarial Patch Attacks (2)
July 19, 2022 by
Toward Trustworthy Machine Learning: An Example in Defending against Adversarial Patch Attacks
July 12, 2022 by
By Chong Xiang and Prateek Mittal Thanks to the stunning advancement of Machine Learning (ML) technologies, ML models are increasingly being used in critical societal contexts — such as in the courtroom, where judges look to ML models to determine whether a defendant is a flight risk, and in autonomous driving, where driverless vehicles are […]
Most top websites are not following best practices in their password policies
June 22, 2022 by
By Kevin Lee, Sten Sjöberg, and Arvind Narayanan Compromised passwords have consistently been the number one cause of data breaches by far, yet passwords remain the most common means of authentication on the web. To help, the information security research community has established best practices for helping users create stronger passwords. These include: Block weak […]
A Multi-pronged Strategy for Securing Internet Routing
April 19, 2022 by
By Henry Birge-Lee, Nick Feamster, Mihir Kshirsagar, Prateek Mittal, Jennifer Rexford The Federal Communications Commission (FCC) is conducting an inquiry into how it can help protect against security vulnerabilities in the internet routing infrastructure. A number of large communication companies have weighed in on the approach the FCC should take. CITP’s Tech Policy Clinic convened […]
CITP Case Study on Regulating Facial Recognition Technology in Canada
April 7, 2022 by
Canada, like many jurisdictions in the United States, is grappling with the growing usage of facial recognition technology in the private and public sectors. This technology is being deployed at a rapid pace in airports, retail stores, social media platforms, and by law enforcement – with little oversight from the government. To help address this […]
