WhatsApp’s Latest Defense Against Scammers: A New “Scam Alert” Feature
In a bid to protect its massive user base from scammers, WhatsApp has started rolling out a new optional feature that uses machine learning to flag potential scam messages. The “Scam Alert” feature is now available in a limited beta rollout as part of the company’s efforts to test this warning system with researchers in its Bug Bounty community.
The Scam Alert feature works by using a local machine learning model to analyze incoming messages from non-contacts and detect patterns that are commonly used by scammers. This analysis is based on linguistic signals and probabilistic classification, which helps identify conversations that may be attempts to scam users. If the model detects a potential scam attempt, the user will receive a chat warning asking them to block, report, or continue the conversation.
One of the key aspects of this feature is that it does not share any message content with WhatsApp’s servers for analysis. The machine learning model and the processed data remain on the device, ensuring that end-to-end encryption remains intact. Users also have control over whether they enable Scam Alert and can disable it at any time if they prefer.
This new feature is part of a broader effort by WhatsApp to protect its users from scammers. In recent months, the company has introduced several security features designed to help catch fraud attempts before users engage with them. For instance, in March, Meta announced that WhatsApp would warn users when behavioral signals suggest that a device-linking request may be fraudulent. This is often used as a tactic by attackers to hijack accounts.
The Scam Alert feature is particularly important for users who may not have the technical expertise or time to identify potential scams on their own. With this new feature, even novice users can benefit from an additional layer of protection against scammers. However, it’s essential to note that no security feature is foolproof, and users should remain vigilant when interacting with unfamiliar contacts.
In practical terms, WhatsApp’s Scam Alert feature serves as a useful reminder for users to be cautious when engaging with messages from unknown or unverified sources. By enabling this feature, users can add an extra layer of protection against scammers and help maintain the security and integrity of their conversations on WhatsApp.
It’s worth noting that WhatsApp has been at the forefront of efforts to combat scams, particularly those targeting high-risk individuals such as journalists, activists, and public figures. The company’s introduction of “Strict Account Settings” earlier this year aimed to protect these users from various sophisticated threats, including spyware attacks.
For now, the Scam Alert feature is available in a limited beta rollout, but it’s likely that WhatsApp will expand its availability to all users in the coming months. As with any new security feature, it’s essential for users to be aware of how it works and take necessary precautions to ensure they are protected from potential scams.
Source: Bleeping Computer — 2026-08-13