---
title: "WhatsApp, Signal group chats not as secure as users might believe"
url: "https://thecybersecurityplace.com/whatsapp-signal-group-chats-not-as-secure-as-users-might-believe/"
date: "2018-01-12T00:22:27+00:00"
section: "Software"
tags:
  - "Cyber Attackers"
  - "Encryption"
  - "Hackers"
  - "Software Security"
source: "helpnetsecurity.com"
source_url: "https://www.helpnetsecurity.com/2018/01/11/whatsapp-signal-group-chats/"
---

# WhatsApp, Signal group chats not as secure as users might believe

January 12, 2018 · Reported by helpnetsecurity.com

> Researchers have discovered flaws in the way WhatsApp, Signal, and Threema messaging apps handle secure (encrypted) group communication, which could result in unauthorized users getting added to closed groups and monitoring future conversations within them.Paul Rösler, Christian Mainka, and Jörg Schwenk analyzed the three widely used protocols and their implementations.

[Read the full article at helpnetsecurity.com](https://www.helpnetsecurity.com/2018/01/11/whatsapp-signal-group-chats/)

**Tags:** [Cyber Attackers](https://thecybersecurityplace.com/tag/cyber-attackers/) · [Encryption](https://thecybersecurityplace.com/tag/encryption/) · [Hackers](https://thecybersecurityplace.com/tag/hackers/) · [Software Security](https://thecybersecurityplace.com/tag/software-security/)