Seeking Alpha

Signal Advance (OTC:SIGL) Achieves Major Encryption Milestone with Analog Guard

ROSHARON, TX / ACCESS Newswire / October 20, 2025 / Signal Advance, Inc. (SIGL), developer of AI-resistant and quantum-secure encryption technology, today announced new simulation results validating ...
The Caledonian-Record

Signal Advance Inc. (OTC:SIGL) Secures Second Major Patent, Strengthening Analog Guard(R ...

ROSHARON, TX / <_apxh3a_a href=' Newswire / April 21, 2026 / Signal Advance, Inc. (OTCID:SIGL), a cybersecurity innovator ...
9to5Mac

Signal encryption key vulnerability being fixed on Mac (and less fully on Windows)

A long-standing Signal encryption key vulnerability in the company’s desktop apps is finally being fixed. The fix will fully secure the Mac app, but the company will only be able to offer a compromise ...
CSOonline

Signal: we can’t comply with Aussie encryption law even if we wanted to

A developer from popular end-to-end encrypted messaging app Signal says it can’t help law enforcement decrypt Signal messages under Australia’s new Assistance and Access law. The company is a ...
Bleeping Computer

Tuta Mail adds new quantum-resistant encryption to protect email

Tuta Mail has announced TutaCrypt, a new post-quantum encryption protocol to secure communications from powerful and anticipated decryption attacks. Tuta Mail is an open-source end-to-end encrypted ...

How the FBI Recovers “Deleted” Signal Messages via iPhone Notifications

Learn how the FBI uses forensic tools to extract "deleted" Signal messages from the hidden iPhone notification database, even after the app is uninstalled ...