A researcher revealed that some private Instagram profiles were exposing links to private photos in their HTML code, accessible to unauthenticated users. Although Meta fixed the issue shortly after being notified, they dismissed it as "not applicable" and did not acknowledge the severity of the vulnerability.

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.

Meta has addressed a significant bug that risked exposing users' AI prompts and the content generated by those prompts. This vulnerability raised concerns about user privacy and data security within Meta's AI tools. The fix aims to enhance trust in the platform as it continues to develop AI capabilities.

The article discusses how Meta leverages advanced data analysis techniques to understand and manage vast amounts of data at scale. It highlights the methodologies and technologies employed to ensure data security and privacy while enabling efficient data utilization for various applications.