A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers

WIREDTuesday, November 18, 2025 at 2:00:00 PM
NegativeTechnology
A Simple WhatsApp Security Flaw Exposed 3.5 Billion Phone Numbers
  • Researchers identified a major security flaw in WhatsApp that exposed 3.5 billion phone numbers, marking a significant breach of user privacy. This vulnerability was discovered using the app's contact discovery tool, which inadvertently allowed access to extensive personal data, including profile photos.
  • The exposure of such a vast number of phone numbers poses a serious threat to user privacy and trust in WhatsApp, a platform widely used for personal and business communications. This incident highlights the need for enhanced security protocols to protect user data.
  • This incident occurs against a backdrop of ongoing debates about digital privacy and security, particularly as over 500 cryptography experts criticize proposals to scan WhatsApp chats, arguing that such measures could be invasive and ineffective. The juxtaposition of these issues underscores the challenges facing WhatsApp in maintaining user trust while navigating regulatory pressures.
— via World Pulse Now AI Editorial System

Was this article worth reading? Share it

Recommended Readings
In Alex Karp’s World, Palantir Is the Underdog
NeutralTechnology
In a recent episode of Uncanny Valley, Palantir CEO Alex Karp discusses his perspectives in an interview with WIRED, shedding light on the underlying beliefs that shape the technology industry today.
Vasco Translator Q1 Review: Cloning Your Voice
NeutralTechnology
The Vasco Translator Q1 is a new real-time interpreter that offers the ability to change languages while attempting to clone the user's voice. This innovative technology aims to enhance communication across language barriers.
Young Mormons Built an App to Help Men Quit Gooning
PositiveTechnology
The Relay app, developed by young Mormons, is designed to help users track their porn-free streaks and receive group support. Its creators aim to take a stand against pornography and AI-generated erotica.
The ‘Great Meme Reset’ Is Coming
NeutralTechnology
The article discusses a growing sentiment among various groups, including tech figures like Jack Dorsey and Generation Alpha, who express a desire to return to the internet as it was a decade ago. It raises questions about the feasibility of reversing the negative impacts of artificial intelligence and the pervasive influence of low-quality content on mental health.
Meta Dodges Breakup as Judge Highlights Market Share Declines
PositiveTechnology
Meta Platforms Inc. achieved a significant legal victory in federal antitrust court, as a judge ruled that the company does not need to divest its acquisitions of Instagram and WhatsApp, concluding that it is not a monopoly. This decision comes amidst ongoing scrutiny of Meta's market practices, although the judge's reasoning may have implications for the company's future operations.
Meta has won the antitrust case that could have forced it to spin off Instagram and WhatsApp
PositiveTechnology
Meta has successfully won an antitrust case that could have required the company to divest its popular platforms, Instagram and WhatsApp. A federal judge ruled in favor of Meta, dismissing the Federal Trade Commission's (FTC) allegations that the company held a monopoly in social media. This ruling is seen as a significant legal victory for Meta, allowing it to retain ownership of these key assets.
Meta Defeats FTC’s Antitrust Case Alleging Social-Media Monopoly
PositiveTechnology
A federal judge ruled in favor of Meta, the parent company of Facebook, rejecting the FTC's antitrust case that sought to unwind its acquisitions of Instagram and WhatsApp. The ruling signifies a significant legal victory for Meta, allowing it to maintain its ownership of these popular social media platforms without facing forced divestiture. This decision comes amid ongoing scrutiny of large tech companies and their market practices.