Unknown numbers on WhatsApp add users to advertising groups without permission

[Joywtome231]

Unknown numbers have been adding WhatsApp Web users to propaganda groups, in an invasive and alarming practice.

Even those who have configured the app to only allow known contacts to join groups are being affected, highlighting flaws in the app's security.

The spam messages only appear on WhatsApp Web, not the mobile app, raising questions about why this type of spam is being allowed.

WhatsApp launches tool to control inclusion in groups

How WhatsApp propaganda groups are being formed
The practice occurs through unknown numbers that automatically include users in colombia phone number library propaganda groups without prior authorization. As soon as the user is added to the group, he or she is immediately excluded, preventing any type of interaction or response. However, the message with the propaganda remains visible, making it difficult to block and report the senders.

This type of spam usually has titles like “Unknown name” and tends to promote a variety of services, such as debt renegotiation, health plans, lotteries, supplement stores, and telecommunications services. The ads contain links or contact phone numbers, which can pose a risk of scams or fraud.