Signal

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 29, 2026
SSU and FBI Uncover Russian Cyber Espionage Operation Against Officials and Military Personnel

Ukraine’s SSU and the FBI Just Confirmed Russian Intelligence Has Been Systematically Hacking Messenger Accounts for Years. The Security Service of Ukraine (SSU), working jointly with the FBI, has formally exposed a sustained Russian intelligence campaign targeting the messaging accounts of government officials, military personnel, politicians, and activists across Ukraine, Europe, and the United States. […]

Pierluigi Paganini June 27, 2026
New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages

FBI warns Russian spies now target Signal Backup Recovery Keys, enabling access to message history and long-term account takeover. The FBI and CISA updated their March 2026 warning about Russian intelligence phishing campaigns, and the new advisory adds a detail that wasn’t in the original: the operators have shifted their primary objective from stealing verification […]

Pierluigi Paganini May 30, 2026
Signal Phishing Campaign Targets Journalists and Activists to Steal Backup Recovery Keys

Attackers are texting Signal users posing as Support, asking for backup recovery keys. Once obtained, they can decrypt the entire message history, not just future chats. A phishing campaign is currently targeting Signal users with text messages that impersonate Signal Support and ask them to hand over their backup recovery key. The message looks urgent, […]

Pierluigi Paganini May 19, 2026
Poland shifts away from Signal following cyberattacks on officials’ accounts

Poland told officials to stop using the popular instant messaging app Signal after cyberattacks targeted government accounts. Poland has instructed government officials to stop using Signal for sensitive communications and move to a state-developed alternative. The decision follows repeated cyberattacks targeting Signal accounts belonging to politicians, military personnel, and public servants. Officials believe the campaigns […]

Pierluigi Paganini April 28, 2026
Signal Phishing Campaign Targets German Officials in Suspected Russian Operation

Suspected Russian phishing via Signal targeted German officials, exploiting trust to access accounts and sensitive political communications. A new wave of cyber operations targeting European political leadership is once again highlighting how modern espionage increasingly relies on deception rather than technical exploits. Recent investigations by German authorities point to a large-scale phishing campaign conducted via […]

Pierluigi Paganini April 24, 2026
Signal phishing campaign targets Germany’s Bundestag President Julia Klöckner

Germany’s Bundestag President Klöckner was targeted in a Signal phishing attack via a fake CDU group chat. Germany’s Bundestag President Julia Klöckner has reportedly become the latest European political figure targeted through a Signal-based phishing attack, reported Der Spiegel. The incident is another reminder that even trusted messaging apps can become entry points when attackers […]

Pierluigi Paganini April 23, 2026
iOS Flaw Let Deleted Notifications Linger, Apple Issues Fix

Apple fixed an iOS flaw that kept deleted notifications on devices, allowing recovery of messages, including from apps like Signal. Apple released updates for iOS and iPadOS to address the vulnerability CVE-2026-28950, a flaw in Notification Services that stored notifications even after deletion. This logging issue could allow recovery of sensitive data, including messages from […]

Pierluigi Paganini April 13, 2026
iPhone forensics expose Signal messages after app removal in U.S. case

An FBI case in Texas shows Signal messages can still be recovered from iPhones even after app uninstall, via system artifacts, challenging privacy assumptions. The recent revelations about FBI forensic access to Signal messages on an iPhone have reignited a long-standing misunderstanding about mobile privacy: the belief that disappearing messages and encrypted apps guarantee that […]

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 […]