{"id":"INC-twilio-sf1wgpv8z8hr","kind":"incident","aliases":[],"related":[],"title":"Twilio: Silent Network Authentication (SNA) Failure Increase on AT&T in United States","description":"The incident has been resolved and API transactions for Silent Network Authentication (SNA) on AT&T in the United States are operating normally.","summary":null,"severity":"medium","cvss":null,"epss":null,"exploited":false,"exploited_at":null,"products":[{"name":"Twilio","fixed":[],"affected":"","ecosystem":"vendor"}],"ecosystems":["vendor"],"tags":["incident","ops","sms","twilio","vendor"],"not_affected_if":[],"how_to_check":null,"fix":null,"status":"resolved","published_at":"2026-10-20T05:28:34+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","triaged_at":"2026-10-23T20:13:15+00:00","updated_at":"2026-10-23T20:13:15+00:00","category":"vendor","confidence":null,"triage":null,"analyst_status":null,"analyst_note":null,"search":"'api':30C 'authent':4A,35C 'failur':6A 'inc':15A 'inc-twilio-sf1wgpv8z8hr':14A 'incid':19B,25C 'increas':7A 'network':3A,34C 'normal':46C 'op':20B 'oper':45C 'resolv':28C 'sf1wgpv8z8hr':17A 'silent':2A,33C 'sms':21B 'sna':5A,36C 'state':13A,43C 'transact':31C 'twilio':1A,16A,18A,22B 'unit':12A,42C 'vendor':23B","nicknames":[],"mitigations":[],"who_affected":null,"tier":"C","verified":{},"analyst_revisit_at":null,"first_public_at":"2026-10-20T05:28:34+00:00","kev":null,"cvss_vector":null,"cvss_by":null,"poc_count":0,"sources":[{"source":"statuspage","external_id":"twilio:sf1wgpv8z8hr","url":"https://stspg.io/g83v994n3wvv","severity":"medium","published_at":"2026-10-20T05:28:34+00:00","modified_at":"2026-10-20T08:45:33+00:00","first_seen_at":"2026-10-23T19:12:22+00:00","fetched_at":"2026-10-24T22:04:31+00:00","note":null}],"documents":[],"notice":"Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai"}