Meta has announced a robust security update for WhatsApp in Brazil, focused on addressing the increasing sophistication of cyberattacks. The new feature introduces a set of measures specifically aimed at protecting users considered more vulnerable to digital espionage, such as activists, journalists, and public figures.
The information was released by Meta itself, which detailed that the new security package changes how the application processes received files, creating a more restrictive and preventive environment against digital threats. The initiative is part of a global strategy to reduce risks associated with sending malicious content through messaging applications.
The main highlight of the update is the implementation of a feature called Strict Account Settings. When manually activated by the user, this function prevents photos, videos, and documents sent by unknown numbers from being automatically downloaded to the device.
This measure aims to neutralize the spread of malware that disguises itself as harmless files, a common practice in targeted attacks. With the new system, no suspicious content is saved on the device without a conscious action by the user, significantly reducing the chances of infection by malicious software.
Another important advancement is in the tool’s technological foundation. WhatsApp has started using the Rust programming language in media processing. Recognized in the technology sector for its ability to prevent memory errors — flaws frequently exploited by hackers — the adoption of Rust makes the application’s infrastructure more resistant to critical intrusions and exploits.
In addition, the messaging app now has a background verification system capable of identifying files known as “chameleons,” which simulate being videos or images but hide malicious code. This analysis occurs even before the attachment is executed and works independently of the device’s operating system, whether Android or iOS, even if it is not fully updated. According to Meta, the combination of these layers of protection enhances WhatsApp’s ability to detect threats before they cause harm, reinforcing the security of users’ personal data and communications.
The update is being gradually rolled out to the user base in Brazil. Those who already have access to the feature can activate it by going to the Settings menu, then to the Privacy tab, and then selecting Advanced Settings, where they can enable the additional protections.
The company expects that the new security mode will help make WhatsApp a safer environment in the face of the increase in digital scams, cyber espionage, and targeted attacks, which have become increasingly frequent and sophisticated.
Source: brasil247.com