illustration of lock, four asterisks and a shield with a fingerprint on it on a green gradient background

Security, privacy, and cryptography

Leveraging Large Language Models for Automated Proof Synthesis in Rust

photos of PhD students Anunay Kulshrestha and Karan Newatia with a photo of Senior Cryptographer Josh Benaloh in the middle with a microphone icon on a blue and purple gradient background

Intern Insights: Dr. Josh Benaloh with Anunay Kulshrestha and Karan Newatia

Bayes Security (β*, higher better) of DP-SGD against membership and attribute inference on the Adult and Purchase datasets as a function of the number of training steps. The green dashed line shows the corresponding DP budget (ε). Membership and attribute inference curves decrease monotonically as the model is trained for longer and the accuracy and DP budget grow.

Closed-Form Bounds for DP-SGD against Record-level Inference

ProvCam: A Camera Module with Self-Contained TCB for Producing Verifiable Videos

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Published Date

Publication

Rethinking System Audit Architectures for High Event Coverage and Synchronous Log Availability

Varun Gandhi, Sarbartha Banerjee, Aniket Agrawal, Adil Ahmad, Sangho Lee, Marcus Peinado

32nd USENIX Security Symposium (Security 2023) | August 2023

Publication

Improving the Security of United States Elections with Robust Optimization

Braden L. Crimmins, J. Alex Halderman, Bradley Sturt

August 2023

Video

Microsoft Research Blog

Research Focus: Week of July 31, 2023

August 2, 2023

In this edition: A new anonymous token protocol balances fraud detection and privacy; survival instinct in offline RL; Nimble offers rollback protection for confidential cloud services; improved machine learning force fields for molecular dynamics.

Microsoft Research Focus 21 | Week of July 31, 2023

Publication

OneProvenance: Efficient Extraction of Dynamic Coarse-Grained Provenance From Database Query Event Logs

Fotis Psallidas, Ashvin Agrawal, Chandru Sugunan, Khaled Ibrahim, Konstantinos Karanasos, Jesus Camacho-Rodriguez, A. Floratou, C. Curino, R. Ramakrishnan

Proc. VLDB Endow. | August 2023, Vol 16: pp. 3662-3675

Publication

Anonymous Tokens with Stronger Metadata Bit Hiding from Algebraic MACs

Betül Durak, Melissa Chase, Serge Vaudenay

CRYPTO | August 2023

Publication

Speculation at Fault: Modeling and Testing Microarchitectural Leakage of CPU Exceptions

Jana Hofmann, Emanuele Vannacci, Cédric Fournet, Boris Köpf, Oleksii Oleksenko

Usenix Security Symposium | August 2023

Project

Microsoft Research Blog

Research Focus: Week of July 17, 2023

July 19, 2023

RetroRanker mitigates frequency bias in predictions of retrosynthesis models; new algorithm beats PPO on language tasks; DER dataset aids grid planning; improved PPML balances privacy & accuracy across shared data; ASL Citizen boosts sign language…

Microsoft Research Focus 20 | Week of July 17, 2023

Publication

APRON: Authenticated and Progressive System Image Renovation

Sangho Lee

2023 USENIX Annual Technical Conference (ATC 2023) | July 2023

Publication

Synthetic Text Generation with Differential Privacy: A Simple and Practical Recipe

Xiang Yue, Huseyin Inan, Xuechen Li, Girish Kumar, Julia McAnallen, Huan Sun, David Levitan, Robert Sim

ACL 2023 | July 2023

Publication

Confidential Computing within an AI Accelerator

Kapil Vaswani, Stavros Volos, Cédric Fournet, Antonio Nino Diaz, Ken Gordon, Balaji Vembu, Sam Webster, David Chisnall, Saurabh Kulkarni, Graham Cunningham , Richard Osborne , Daniel Wilkinson

2023 USENIX Annual Technical Conference | July 2023

Project

Security, privacy, and cryptography

Highlights