Security News

CERT-UA Warns: Dark Crystal RAT Targets Ukrainian Defense via Malicious Signal Messages
2025-03-20 06:08

The Computer Emergency Response Team of Ukraine (CERT-UA) is warning of a new campaign that targets the defense sectors with Dark Crystal RAT (aka DCRat). The campaign, detected earlier this...

Ukrainian military targeted in new Signal spear-phishing attacks
2025-03-19 20:30

Ukraine's Computer Emergency Response Team (CERT-UA) is warning about highly targeted attacks employing compromised Signal accounts to send malware to employees of defense industry firms and...

Signal will withdraw from Sweden if encryption-busting laws take effect
2025-02-26 12:30

Experts warned the UK’s recent 'victory' over Apple would kickstart something of a domino effect Signal CEO Meredith Whittaker says her company will withdraw from countries that force messaging...

Hackers Exploit Signal's Linked Devices Feature to Hijack Accounts via Malicious QR Codes
2025-02-19 16:59

Multiple Russia-aligned threat actors have been observed targeting individuals of interest via the privacy-focused messaging app Signal to gain unauthorized access to their accounts. "The most...

Russian phishing campaigns exploit Signal's device-linking feature
2025-02-19 11:59

Russian threat actors have been launching phishing campaigns that exploit the legitimate "Linked Devices" feature in the Signal messaging app to gain unauthorized access to accounts of interest. [...]

X now blocks Signal contact links, flags them as malicious
2025-02-17 17:39

Social media platform X (formerly Twitter) is now blocking links to "Signal.me," a URL used by the Signal encrypted messaging to share your account info with another person. [...]

Signal will let you sync old messages when linking new devices
2025-01-28 16:27

Signal is finally adding a new feature that allows users to synchronize their old message history from their primary iOS or Android devices to newly linked devices like desktops and iPads. [...]

CISA: Use Signal or other secure communications app
2024-12-20 12:19

In the wake of the widespread compromise of US telecom giants’ networks by Chinese hackers and the FBI advising Americans to use end-to-end encrypted communications, CISA is advising “highly...

CISA urges switch to Signal-like encrypted messaging apps after telecom hacks
2024-12-18 18:19

Today, CISA urged senior government and political officials to switch to end-to-end encrypted messaging apps like Signal following a wave of telecom breaches across dozens of countries, including...

Signal introduces convenient "call links" for private group chats
2024-11-12 17:26

The Signal messenger application has announced a set of new features aimed at making private group chats more convenient and easier for people to join. [...]