WhatsApp

Pierluigi Paganini July 22, 2026
Adobe Acrobat Chrome extension bug enabled silent WhatsApp data theft

Adobe patched CVE-2026-48294, a flaw in Adobe Acrobat Chrome extension that could let attackers steal WhatsApp Web chats by luring users to a webpage. Guardio Labs researcher Shaked Biner disclosed HermeticReader, a vulnerability chain in the Adobe Acrobat Chrome extension that allowed any attacker-controlled webpage to silently steal a visitor’s WhatsApp chats, contacts, profile name, […]

Pierluigi Paganini June 29, 2026
WhatsApp Usernames Are Coming. You Can Reserve Yours Right Now

WhatsApp will introduce usernames later this year, letting its 3 billion users connect without sharing phone numbers. WhatsApp has over three billion users, and it’s finally letting them talk to each other without exchanging phone numbers. The company announced this week that usernames are coming later this year, and reservations are open now. The problem […]

Pierluigi Paganini June 29, 2026
U.S. Targets Russian Cyber Spies With $10M Bounty Over Messaging App Attacks

The U.S. offers up to $10M for information on Russian hackers targeting Signal and WhatsApp accounts of officials and journalists. The U.S. government is offering rewards of up to $10 million for information leading to the identification of members of the Russian-linked groups UNC5792 and UNC4221. The hackers target government officials, military personnel, journalists, and […]

Pierluigi Paganini June 22, 2026
WhatsApp Malware Campaign Hijacks Trust, Installs Legitimate Admin Tools

WhatsApp accounts were hijacked to spread fake debt notices that install remote access software, giving attackers control of victims’ PCs. Kaspersky published a technical analysis this week of an active malware campaign that spreads through WhatsApp messages and ends with a remote management tool silently installed on the victim’s machine. The campaign is still running […]

Pierluigi Paganini June 08, 2026
Meta Accuses NSO of Violating WhatsApp Court Injunction

Meta says NSO violated a court injunction by targeting WhatsApp users again through phishing campaigns and test accounts. Last year, WhatsApp won a landmark case against NSO Group, the Israeli spyware vendor behind Pegasus, and secured a permanent court injunction barring the company from ever targeting WhatsApp or its users again. The court was unambiguous: […]

Pierluigi Paganini June 05, 2026
Fake Context Alignment: The Attack That Made Gemini Obey Strangers Through Your Notifications

SafeBreach tricked Gemini into obeying attackers via WhatsApp notifications, using hidden foreign-language text to bypass Google’s defenses and control smart home devices. SafeBreach Labs researcher Or Yair spent months trying to break Google’s Gemini voice assistant after Google patched the vulnerabilities he found in his previous research. The new attack class he developed, named Fake […]

Pierluigi Paganini May 25, 2026
Zero-Click WhatsApp Account Takeover Hits iPhone Users Running iOS 16. No Linked Devices, No Warning

A zero-click attack targeting iPhones on iOS 16 hijacked WhatsApp accounts without linked devices, warnings, or user interaction. There is a particular kind of security incident that is harder to explain than most: your WhatsApp account is sending messages you did not write, asking your contacts for money transfers, and when you check the “Linked […]

Pierluigi Paganini April 30, 2026
Agent’s claims on WhatsApp access spark security concerns

A US agent claimed WhatsApp encryption is fake and Meta can access messages; the probe was abruptly shut, raising security concerns. A US agent claimed WhatsApp encryption is fake, alleging Meta accesses all unencrypted messages, but Commerce Department abruptly shut the probe, leaving leaders questioning if consumer apps are safe for sensitive business decisions. In […]

Pierluigi Paganini April 02, 2026
Italian spyware vendor creates Fake WhatsApp app, targeting 200 users

WhatsApp blocked a fake app by Italian firm SIO/Asigint that targeted 200 users with spyware, urging them to reinstall the official app. WhatsApp has recently uncovered a malicious fake version of its app that targeted roughly 200 users, most of whom are in Italy. The platform confirmed that the unofficial client contained spyware and was […]

Pierluigi Paganini March 22, 2026
Russia-linked actors target WhatsApp and Signal in phishing campaign

Russia-linked actors target WhatsApp and Signal accounts of officials and journalists via phishing, gaining access to messages and contacts. Threat actors linked to Russian Intelligence Services are running phishing campaigns to hijack high-value accounts on messaging apps like WhatsApp and Signal, the FBI warns. “The FBI has identified cyber actors associated with Russian Intelligence Services targeting […]