July 16, 2024

A Brief History of Multi-Perspective Issuance Corroboration

By Henry Birge-Lee, Grace Cimaszewski, Liang Wang, Cyrill Krähenbühl, and Prateek Mittal “Multi-Perspective Issuance Corroboration” (or “MPIC”) is currently under discussion as an industry-wide standard by the CA/Browser Forum Server Certificate Working Group, and possibly by other Forum Working Groups in the future (i.e., the S/MIME Working Group). This is a promising idea that aims […]

Announcing the Open Multi-Perspective Issuance Corroboration Project

By Henry Birge-Lee, Grace Cimaszewski, Liang Wang, Cyrill Krähenbühl, Kerstin Fagerstrom, and Prateek Mittal Today we are announcing the development of a new open source project by our research group at Princeton University designed to strengthen certificate issuance against Border Gateway Protocol (BGP) routing attacks. Recent years have seen an uptick in a very powerful […]

Security Analysis of the Dominion ImageCast X

Today, the Federal District Court for the Northern District of Georgia permitted the public release of Security Analysis of Georgia’s ImageCast X Ballot Marking Devices, a 96-page report that describes numerous security problems affecting Dominion voting equipment used in Georgia and other states.

Cross-Layer Security: A Holistic View of Internet Security 

By Henry Birge-Lee, Liang Wang, Grace Cimaszewski, Jennifer Rexford and Prateek Mittal On February 3, 2022, attackers launched a highly effective attack against the Korean cryptocurrency exchange KLAYswap. We discussed the details of this attack in our earlier blog post “Attackers exploit fundamental flaw in the web’s security to steal $2 million in cryptocurrency.” However, […]

The anomaly of cheap complexity

Why are our computer systems so complex and so insecure?  For years I’ve been trying to explain my understanding of this question. Here’s one explanation–which happens to be in the context of voting computers, but it’s a general phenomenon about all our computers: There are many layers between the application software that implements an electoral […]