Jäger: Automated Telephone Call Traceback

The paper was accepted at ACM CCS 2024, and the standard version (15 pages) can be found on ACM DL via https://doi.org/10.1145/3658644.3690290. The extended version can be found on arXiv via http://arxiv.org/abs/2409.02839).

In the paper, we introduce Jäger, a distributed secure call traceback system. Jäger can trace a call in a few seconds, even with partial deployment, while cryptographically preserving the privacy of call parties, carrier trade secrets like peers and call volume, and limiting the threat of bulk analysis.