2 ms·
Signalling System 7
- shpx 10y agoSignalling System No. 7 (SS7) is a set of telephony signaling protocols developed in 1975, which is used to set up and tear down most of the world's public switched telephone network (PSTN) telephone calls. Previous discussion about network vulnerability [0] Two congressmen submitted a letter to Home Land Security about the security of SS7 today [1][2]. [0] https://news.ycombinator.com/item?id=8769239 https://news.ycombinator.com/item?id=8769239 [1] https://www.wyden.senate.gov/download/?id=318B4F92-8721-4D6E-BE26-CE567A5311F5&download=1 https://www.wyden.senate.gov/download/?id=318B4F92-8721-4D6E... [2] https://techcrunch.com/2017/03/15/ss7-congress-dhs-wyden-lieu/ https://techcrunch.com/2017/03/15/ss7-congress-dhs-wyden-lie...