Search: “Signal”

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CategoryAll Vulnerability 1012 Ransomware 879 Malware 846 Industry 797 Policy & legal 719 Exploit / PoC 544 Threat actor 517 Phishing & fraud 489 Data breach 354 Research 195 AI safety & security 117 AI research 100 AI industry 83 AI tools & infra 79

SeverityAll critical 2388 high 1370 medium 1095 low 1535 info 487

Former Germany’s foreign intelligence VP hit in Signal account takeover campaign

Security AffairsMar 16, 14:32 UTC · Mar 16, 2026Threat actor

45

Russia-linked hackers target Signal, WhatsApp of officials globally

Security AffairsMar 9, 14:58 UTC · Mar 9, 2026Data breach

45

Signal fixes location-revealing flaw, introduces Signal PINs

Help Net SecurityMay 21, 00:00 UTC · May 21, 2020Vulnerability

30

iMessage gets a major makeover that puts it on equal footing with Signal

Ars Technica · SecurityFeb 22, 00:37 UTC · Feb 22, 2024Malware

30

Black Duck Signal secures AI-generated code with agentic application security

Help Net SecurityMar 23, 00:00 UTC · Mar 23, 2026Vulnerability

30

Russian state hackers spy on Ukrainian military through Signal app

The RecordFeb 19, 14:40 UTC · Feb 19, 2025Malware

30

Signal Phishing Campaign Targets Journalists and Activists to Steal Backup Recovery Keys

Security AffairsMay 30, 09:27 UTC · May 30, 2026Threat actor

45

iPhone forensics expose Signal messages after app removal in U.S. case

Security AffairsApr 13, 11:33 UTC · Apr 13, 2026Vulnerability

30

Twilio breach exposed some Signal users’ numbers

The RecordJan 11, 00:00 UTC · Jan 11, 2023Vulnerability

30

Another severe flaw in Signal desktop app lets hackers steal your chats in plaintext

The Hacker NewsMay 15, 00:00 UTC · May 15, 2018Exploit / PoC CVE-2018-10994 CVE-2018-11101

50

Radio signals could give attackers a foothold inside air-gapped devices

Help Net SecurityDec 30, 00:00 UTC · Dec 30, 2025AI safety & security

30

Hackers shared technical details of a Code Injection flaw in Signal App

Security AffairsMay 15, 12:56 UTC · May 15, 2018Vulnerability

30

Signal responds to phishing attacks with new in-app security warnings

Help Net SecurityMay 13, 00:00 UTC · May 13, 2026Phishing & fraud

30

Russia-linked actors target WhatsApp and Signal in phishing campaign

Security AffairsMar 22, 19:21 UTC · Mar 22, 2026Threat actor

45

China-Linked BadBazaar Android Spyware Targeting Signal and Telegram Users

The Hacker NewsAug 31, 05:44 UTC · Aug 31, 2023Malware

30

Google removes fake Signal and Telegram apps hosted on Play

Ars Technica · SecurityAug 30, 22:09 UTC · Aug 30, 2023Malware

30

Signal Sciences announced its new Network Learning Exchange and Power Rules offerings

Help Net SecurityAug 2, 00:00 UTC · Aug 2, 2018Phishing & fraud

30

How safe is Mexican public Wi

Kaspersky SecurelistJun 2, 12:00 UTC · Jun 2, 2026Vulnerability

30

Signal phishing campaign targets Germany’s Bundestag President Julia Klöckner

Security AffairsApr 24, 13:58 UTC · Apr 24, 2026Threat actor

45

Russian Hackers Target WhatsApp and Signal Accounts

Infosecurity MagazineMar 10, 10:45 UTC · Mar 10, 2026Malware

30

Researchers discovered security flaws in the Android version of Signal app

Security AffairsSep 17, 17:27 UTC · Sep 17, 2016Vulnerability

30

Team Cymru Pure Signal MCP Server enables AI agents to access threat intelligence

Help Net SecurityApr 29, 00:00 UTC · Apr 29, 2026AI safety & security

30

Signal Messenger Bug Lets Callers Auto-Connect Calls Without Receivers' Interaction

The Hacker NewsOct 5, 06:08 UTC · Oct 5, 2019Vulnerability

30

FBI Warns Russian Intelligence Hackers Target Signal Backup Recovery Keys

The Hacker NewsJun 26, 19:38 UTC · Jun 26, 2026Threat actor

45

Apple fixes iPhone bug that let FBI retrieve deleted Signal messages(CVE-2026-28950)

Help Net SecurityApr 23, 00:00 UTC · Apr 23, 2026Vulnerability CVE-2026-28950

35

Friday Squid Blogging: Squid Deception

Schneier on SecurityJan 29, 08:02 UTC · Jan 29, 2020Vulnerability

30

New FBI Alert: Russian Intelligence Uses Signal Recovery Keys to Access Messages

Security AffairsJun 27, 16:08 UTC · Jun 27, 2026Threat actor

45

FBI Warns Russian Hackers Target Signal, WhatsApp in Mass Phishing Attacks

The Hacker NewsMar 23, 05:40 UTC · Mar 23, 2026Phishing & fraud

30

ProSpy, ToSpy malware pose as Signal and ToTok to steal data in UAE

Security AffairsOct 3, 22:33 UTC · Oct 3, 2025Malware

30

Thieves can pull off keyless car theft in under a minute and here's how to stop them

Help Net SecurityJun 5, 00:00 UTC · Jun 5, 2026Vulnerability

30

Russian hackers crack into officials’ Signal and WhatsApp accounts

Help Net SecurityMar 9, 00:00 UTC · Mar 9, 2026Vulnerability

30

State-backed phishing attacks targeting military officials and journalists on Signal

Help Net SecurityFeb 6, 00:00 UTC · Feb 6, 2026Phishing & fraud

30

“Microsoft has simply given us no other option,” Signal says as it blocks Windows Recall

Ars Technica · SecurityMay 21, 20:21 UTC · May 21, 2025Malware

30

CERT-UA Warns: Dark Crystal RAT Targets Ukrainian Defense via Malicious Signal Messages

The Hacker NewsMar 20, 06:08 UTC · Mar 20, 2025Malware

30

Fake Signal and Telegram Apps in the Google Play Store

Schneier on SecuritySep 15, 00:00 UTC · Sep 15, 2023Malware

30

Fooling Automated Surveillance Cameras with Patchwork Color Printout

Schneier on SecurityJan 27, 14:39 UTC · Jan 27, 2020Phishing & fraud

30

Headphones as Microphones

Schneier on SecurityJan 27, 14:14 UTC · Jan 27, 2020Vulnerability

30

Flaws in the design of IoT devices prevent them from notifying homeowners about problems

Help Net SecurityMay 7, 00:00 UTC · May 7, 2019Vulnerability

30

Signal amplification and brute

Security AffairsSep 11, 17:27 UTC · Sep 11, 2018Vulnerability

30

Self-destructing messages received on 'Signal for Mac' can be recovered later

The Hacker NewsMay 9, 16:15 UTC · May 9, 2018Vulnerability

30