Researchers found a significant security flaw in WhatsApp that allowed hackers to easily access phone numbers and some profile information for all 3.5 billion users. Despite being warned about the issue since 2017, Meta only implemented a fix in October 2023. Users are urged to review their privacy settings to protect their information.

WhatsApp has launched a new feature called Strict Account Settings, which allows users to enhance their privacy with a single toggle. This mode restricts various functionalities, making users less visible and enabling stronger security measures. Additionally, Meta has replaced an old media-handling library with a new one built in Rust for better security.

A class action lawsuit claims WhatsApp misrepresents its end-to-end encryption, alleging that user messages are accessible to Meta. The article discusses the implications of these allegations and the technical aspects of WhatsApp's encryption system.

Meta plans to monetize WhatsApp by introducing advertisements in the app's Updates section, despite assurances that personal messages will remain private. Privacy experts express skepticism, citing Meta's history with data handling and the potential risks associated with ad-targeting based on user data.

WhatsApp has introduced advanced privacy features that allow users to control who can see their last seen status, profile photo, and about information. These updates aim to enhance user privacy and provide more options for managing visibility within the app. Additionally, WhatsApp emphasizes its commitment to user security with end-to-end encryption for messages.

The NSO Group has been ordered by a jury to pay damages to WhatsApp due to the deployment of spyware that infected numerous users. The ruling highlights the ongoing legal battles surrounding the use of surveillance technology and its implications for privacy rights.

WhatsApp has introduced 'Private Processing,' a new opt-in feature that allows users to leverage advanced AI functionalities through privacy-focused cloud servers, ensuring user anonymity during data processing. The system employs robust encryption and third-party relays to protect user identities and data. As concerns over privacy persist, users can choose to disable the feature if they are uncomfortable with cloud processing.

The U.S. House of Representatives has banned the use of WhatsApp on government devices due to security concerns. This decision reflects ongoing worries about data privacy and the potential for foreign interference through widely-used messaging applications. Agencies are now required to use alternative communication methods that meet security standards.

A former security chief of WhatsApp, Attaullah Baig, has filed a whistleblower lawsuit against Meta, alleging that the company failed to address significant cybersecurity flaws that jeopardized user data privacy. The lawsuit claims that around 1,500 engineers had unrestricted access to personal user information, violating a previous Federal Trade Commission order. Meta has denied the allegations presented in the lawsuit.

WhatsApp has updated its terms of service to prohibit the use of general-purpose chatbots on its platform, aiming to enhance user privacy and reduce spam. This change reflects the company's commitment to maintaining the integrity of personal communications and ensuring that only designated automated services are allowed.