---
id: 8334
title: "Smartphone Pattern Unlock Sucks"
source_domain: netspi.com
source_url: "https://www.netspi.com/blog/technical-blog/mobile-application-pentesting/smartphone-pattern-unlock-sucks/"
published_at: "2012-06-07T00:00:00Z"
tags: ["mobile-security", "authentication", "bluetooth", "nfc", "multi-factor-authentication", "pattern-unlock"]
phying_url: "https://phying.com/item/8334"
lang: en
---

# Smartphone Pattern Unlock Sucks

## Summary

Pattern unlock's security is dubious since shoulder surfers can replicate it. The author proposes a wireless dongle exchanging cryptographic signatures with the phone as a second factor.

## Intelligence Metadata

- **Sources:** netspi.com
- **Published:** 2012-06-07T00:00:00Z
- **Original:** https://www.netspi.com/blog/technical-blog/mobile-application-pentesting/smartphone-pattern-unlock-sucks/
- **Phying News:** https://phying.com/item/8334