https://securityblueprints.io/tags/sim-swap/ Recent content in SIM Swap on Security Blueprints Hugo en user@example.com (Niels Provos) user@example.com (Niels Provos) Security Blueprints, LLC Sun, 06 Sep 2026 23:57:45 +0000 https://securityblueprints.io/data-breaches/google-fi-data-breach-linked-to-t-mobile-incident/ Wed, 01 Feb 2023 00:00:00 +0000user@example.com (Niels Provos) https://securityblueprints.io/data-breaches/google-fi-data-breach-linked-to-t-mobile-incident/ Executive Summary Incident Overview: In February 2023, Google Fi suffered a data breach due to vulnerabilities originating from a prior T-Mobile security incident. This breach exposed Google Fi customers’ phone numbers and related technical details, posing significant risks such as SIM swap attacks and unauthorized account activities (source ). Key Dates: The association with T-Mobile’s broader data breach was identified on January 19, 2023. Affected individuals received notifications in early February 2023 (source ).