University Of Vienna

Company

Threat entity extracted from intelligence sources

Frequency

6

occurrences

First Seen

November 18, 2025

Last Seen

November 22, 2025

Overview

Recent Events

Relationships

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Related Clusters (2)

WhatsApp Security Flaw Exposes 3.5 Billion Phone Numbers

Nov 18·56 sources

WhatsApp Vulnerability Exposes Data of 3.5 Billion Users

Nov 28·37 sources

Related Articles (6)

WhatsApp API flaw let researchers scrape 3.5 billion accounts

Bleepingcomputer·Nov 22

Major WhatsApp vulnerability discovered, putting 3.5 billion users at risk

Thenews.Pk·Nov 21

WhatsApp security flaw exposes 3.5 billion people's phone numbers

Independent·Nov 20

WhatsApp flaw allowed discovery of the 3.5 billion mobile numbers registered to the platform

Csoonline·Nov 19

Researchers discover security vulnerability in WhatsApp

News.Ycombinator·Nov 19

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