Signal

Pierluigi Paganini May 22, 2025
New Signal update stops Windows from capturing user chats

Signal implements new screen security on Windows 11, blocking screenshots by default to protect user privacy from Microsoft’s Recall feature. A Signal update for the Windows app prevents the system from capturing screenshots by default. The feature protects users’ privacy from Microsoft’s Recall feature. “Signal Desktop now includes support for a new “Screen security” setting […]

Pierluigi Paganini May 05, 2025
A hacker stole data from TeleMessage, the firm that sells modified versions of Signal to the U.S. gov

A hacker stole data from TeleMessage, exposing messages from its modified Signal, WhatsApp, and other apps sold to the U.S. government. A hacker stole customer data from TeleMessage, an Israeli firm selling modified versions of popular messaging apps, such as Signal and WhatsApp, to the U.S. government. “The data stolen by the hacker contains the […]

Pierluigi Paganini February 19, 2025
Russia-linked APTs target Signal messenger

Russia-linked threat actors exploit Signal ‘s “linked devices” feature to hijack accounts, per Google Threat Intelligence Group. Google Threat Intelligence Group (GTIG) researchers warn of multiple Russia-linked threat actors targeting Signal Messenger accounts used by individuals of interest to Russian intelligence. The experts speculate that the tactics, techniques, and procedures used to target Signal will […]

Pierluigi Paganini August 30, 2023
Chinese GREF APT distributes spyware via trojanized Signal and Telegram apps on Google Play and Samsung Galaxy stores

China-linked APT group GREF is behind a malware campaign distributing spyware via trojanized Signal and Telegram apps on Google Play ESET researchers uncovered a cyberespionage campaign carried out by the China-linked APT group known as GREF that is distributing spyware via trojanized Signal and Telegram apps on Google Play and Samsung Galaxy stores. The malware […]

Pierluigi Paganini August 16, 2022
Phone numbers of 1,900 Signal users exposed as a result of Twilio security breach

For about 1,900 users, Twilio hackers could have attempted to re-register their number to another device or learned that their number was registered to Signal. Communication company Twilio provides Signal with phone number verification services, and recent security breach it has suffered had also impacted some users of the popular instant-messaging app. Twilio hackers could […]

Pierluigi Paganini December 01, 2021
FBI training document shows lawful access to multiple encrypted messaging apps

Which are the most secure encrypted messaging apps? An FBI document shows what data can be obtained from them. The Record shared an FBI training document that reveals the surveillance capabilities of the US law enforcement detailing which data can be extracted from encrypted messaging apps. The document analyzes lawful access to multiple encrypted messaging […]

Pierluigi Paganini February 13, 2021
Court documents show FBI could use a tool to access private Signal messages on iPhones

Court documents obtained by Forbes revealed that the FBI may have a tool that allows accessing private Signal messages on iPhones. Court documents related to a recent gun-trafficking case in New York and obtained by Forbes revealed that the FBI may have a tool to access private Signal messages. The documents revealed that encrypted messages can be intercepted from […]

Pierluigi Paganini January 20, 2021
Logic bugs found in popular apps, including Signal and FB Messenger

Flaws in popular messaging apps, such as Signal and FB Messenger allowed to force a target device to transmit audio to an attacker device. Google Project Zero security researcher Natalie Silvanovich found multiple flaws in popular video conferencing apps such as Signal and FB Messenger, that allowed to force a target device to transmit audio […]

Pierluigi Paganini December 23, 2020
Cellebrite claims to be able to access Signal messages

Israeli cyber security firm Cellebrite claims that it can decrypt messages from the popular Signal’s messaging app. Israeli security firm Cellebrite has claimed that it can decrypt messages from the Signal highly secure messaging app. The BBC reported the link to a blog on the company website that details the procedure to decrypt the Signal messages. […]

Pierluigi Paganini February 25, 2020
European Commission has chosen the Signal app to secure its communications

The popular cross-platform encrypted messaging service Signal has been chosen by the European Commission for its communications. The European Commission has decided to adopt for its staff the popular cross-platform encrypted messaging service Signal for its communications. The news was first reported earlier this month by the Politico website, a message issued on the commission’s […]