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cs.CR2026
AC4A: Access Control for Agents
Reshabh K Sharma, Dan Grossman
Large Language Model (LLM) agents combine the chat interaction capabilities of LLMs with the power to interact with external tools and APIs. This enables them to perform complex ta…
cs.CR2026
Beyond OAuth: Task-Scoped Authorization for AI Agents via Natural Language Slices
Reshabh K Sharma, Linxi Jiang, Shuo Chen +1
AI agents increasingly execute users' natural-language (NL) tasks by calling Web services, yet today's Web authorizes these calls through OAuth, which grants permissions over opera…
cs.CR2026
SplittingSecrets: A Compiler-Based Defense for Preventing Data Memory-Dependent Prefetcher Side-Channels
Reshabh K Sharma, Dan Grossman, David Kohlbrenner
Traditional side-channels take advantage of secrets being used as inputs to unsafe instructions, used for memory accesses, or used in control flow decisions. Constant-time programm…