Luis Vargas
Co-authored papers
2018
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Characterizing the Security of the SMS Ecosystem with Public Gateways
ACM Transactions on Privacy and Security
Bradley Reaves, Luis Vargas, Nolen Scaife, Dave Tian, Logan Blue, Patrick Traynor, and Kevin R. B. Butler
A 28-month study of 900,000 public SMS gateway messages shows persistent insecure practices and widespread phone-verified account fraud evasion.
2017
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AuthentiCall: Efficient identity and content authentication for phone calls
Proceedings of the USENIX Security Symposium
Bradley Reaves, Logan Blue, Hadi Abdullah, Luis Vargas, Patrick Traynor, and Tom Shrimpton
Provides cryptographic caller-ID verification and conversation integrity for phone calls with minimal overhead.