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SMS Shield: SS7 Attack Detection and Secure Authentication
25 Signals

SMS Shield: SS7 Attack Detection and Secure Authentication

Protect your phone number from interception attacks and replace vulnerable SMS authentication with secure alternatives.

Added Nov 4, 2025

Cybersecurity
Mobile Security
Identity Protection
Opportunity score

Very low opportunity (19%)

The Problem

SMS-based authentication and communication are vulnerable to SS7 exploits and SIM-based attacks that allow hackers to intercept verification codes, enabling account takeovers and malware delivery. Users lack visibility into whether their SMS messages are being rerouted and have limited options to protect themselves beyond switching to app-based authentication. The widespread reliance on SMS for 2FA creates critical security vulnerabilities that users can't easily detect or prevent.

Potential Solution

A mobile security app that monitors for SS7 interception attempts and alerts users in real-time when their SMS messages may be compromised. The service provides virtual phone numbers with secure VoIP routing to shield users' real numbers from exposure, integrates with popular services to replace SMS 2FA with more secure authentication methods, and offers a security dashboard showing SMS routing anomalies and potential threats.

Why Now?

SS7 vulnerabilities are increasingly exploited by cybercriminals, and high-profile attacks like Pegasus have raised public awareness of SMS security risks. Major platforms are slowly moving away from SMS 2FA, creating demand for transition tools that protect users during this vulnerable period.

Market validation
Search demand

Trend snapshot pending

Competition (0)

No matched competitors yet

Showing 1-20 of 25 signals

Apple App StoreAug 22, 2026
Guardio - Mobile Security

Great Protection! I’ve always been on the lookout for good protection against scam calls, messages, and fraud. Guardio not only helps prevent scams, it walks you through everything you need to do to stay safe on all of your devices.

Apple App StoreJul 8, 2026
2FA Authenticator (2FAS)

2FA alternative that works If you’re looking for a 2FA alternative to Google and Microsoft that works, this is it!

Apple App StoreJun 17, 2026
Duo Mobile

Always Works, Always Simple I wish more systems were able to integrate into using Duo for MFA and personal verification. It’s always easy and never a hassle. Any security conscious company that uses Duo for their MFA is worth working with.

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