
ProSpy and ToSpy: New spyware families impersonating secure messaging apps
ESET researchers have found two Android spyware campaigns aimed at people looking for secure messaging apps such as Signal and ToTok. The attackers spread the spyware through …

Signal adds secure backup option for chat history
Losing a phone can mean losing years of conversations. Signal is rolling out a new secure backup feature to help users keep their messages safe without giving up privacy. The …

Signal blocks Microsoft Recall from screenshotting conversations
Signal has released a new version of its end-to-end encrypted communication app for Windows that prevents Microsoft Recall and users from screenshotting text-based …

CISA: Use Signal or other secure communications app
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, …

Observations from Black Hat USA 2024, BSidesLV, and DEF CON 32
I recently spent six days in Las Vegas attending DEF CON, BsidesLV, and Black Hat USA 2024, where I had the opportunity to engage with and learn from some of the top security …

Google “confirms” that exploited Chrome zero-day is actually in libwebp (CVE-2023-5129)
UPDATE (September 28, 2023, 03:15 a.m. ET): The CVE-2023-5129 ID has been either rejected or withdrawn by the CVE Numbering Authority (Google), since it’s a duplicate of …

Signal takes a quantum leap with E2EE protocol upgrade
Signal has announced an upgrade to its end-to-end encryption (E2EE) protocol to protect users of its popular messaging app from encryption-breaking attacks through quantum …

Trojanized Signal, Telegram apps found on Google Play, Samsung Galaxy Store
ESET researchers have identified two active campaigns targeting Android users, where the threat actors behind the tools for Telegram and Signal are attributed to the …

Researchers publish post-quantum upgrade to the Signal protocol
PQShield published a white paper that lays out the quantum threat to secure end-to-end messaging and explains how post-quantum cryptography (PQC) can be added to the Signal …

0ktapus: Twilio, Cloudflare phishers targeted 130+ organizations
Group-IB has discovered that the recently disclosed phishing attacks on the employees of Twilio and Cloudflare were part of the massive phishing campaign that resulted in …

1,900 Signal users exposed following Twilio breach
The attacker behind the recent Twilio data breach may have accessed phone numbers and SMS registration codes for 1,900 users of the popular secure messaging app Signal. …

Bugs in Signal, other video chat apps allowed attackers to listen in on users
Bugs in several messaging/video chat mobile apps allowed attackers to spy on targeted users’s surroundings. The vulnerabilities – in Signal, Google Duo, Facebook …
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