Technology companies and government agencies faced multiple security challenges this week, ranging from software vulnerabilities to data breaches affecting millions of users.

Microsoft issued an emergency security update to address a critical vulnerability in its ASP.NET framework affecting macOS and Linux systems. The flaw relates to authentication failures that could potentially compromise system security, prompting the urgent patch release.

Meanwhile, travel booking platform Booking.com disclosed a data breach in which hackers gained access to personal information including customer names, email addresses, and reservation details. The company warned that the exposed data could be used for targeted phishing attacks against travelers.

In France, a government agency responsible for issuing national identity documents, passports, and other official papers confirmed that hackers had stolen personal information belonging to an unspecified number of French citizens. The agency manages critical identity verification services for the French government.

Separately, Apple addressed a software bug in iPhones and iPads that had allowed law enforcement agencies using forensic tools to recover messages that users believed had been permanently deleted from the Signal messaging app. The vulnerability enabled authorities to access communications that the app's users had intentionally removed from their devices.