David Adei

Co-authored papers

2026

• Characterizing the Deployment of the STIR/SHAKEN Telephone Network PKI

  ACM Internet Measurement Conference

  Hamim Hamid, David Adei, and Bradley Reaves

  DOI PDF Code Data

  Providers are signing 91% of phone calls with the STIR/SHAKEN suite of standards after a rapid rollout. While they fulfill the spirit and intent of STIR/SHAKEN, few implementations satisfy a strict interpretation of standards.

2024

• Jäger: Automated Telephone Call Traceback

  Proceedings of the ACM Conference on Computer and Communications Security

  David Adei, Varun Madathil, Sathvik Prasad, Bradley Reaves, and Alessandra Scafuro

  DOI PDF Code

  A cryptographic protocol automates abusive phone call traceback in seconds while preserving caller privacy and carrier trade secrets.