https://hackerpaper.kaipfister.de/p/1809.06925/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=45198546urn:hackerpapers:mention:1809.06925:45198546Wed, 10 Sep 2025 14:45:41 GMT<p>&gt;In order to maintain an uninterrupted connection to a target’s phone, the Harris software also offers the option of intentionally degrading (or “redirecting”) someone’s phone onto an inferior network, for example, knocking a connection from LTE to 2G. [1] &gt;In its most basic functionality, the [LTE] IMSI catcher receives connection/attach request messages from all mobiledevices in its vicinity. These attach messages are forced to disclose the SIM’s IMSI, thus allowing the IMSI catcher to retreive the IMSI for all devices in its vicinity... a fully LTE-based IMSI catcher is possible, very…</p><p><a href="https://hackerpaper.kaipfister.de/p/1809.06925/">Paper and discussion history</a>. A mention is not an endorsement.</p>cs.CR