Phishing

Cybersecurity
SBU and FBI Expose Russian FSB and GRU Signal Key Theft Campaign
Ukraine's SBU and the FBI jointly exposed campaigns by Russian FSB-linked UNC5792 and GRU-linked UNC4221 stealing Signal and WhatsApp backup recovery keys.
Cybersecurity
Gizmodo Account Hijacked to Push ClickFix Malware at Readers
A threat actor compromised a Gizmodo account to serve ClickFix malware prompts to readers, exploiting brand trust to push PowerShell-based attacks at scale.
Cybersecurity
Algerian Phishing Marketplace Operator Extradited to US
Algerian national Abdellah Belmili was extradited from Spain to face US bank fraud charges for operating phishing marketplaces Market0Day and Spoxy.
Cybersecurity
macOS ClickFix Variant Silently Mounts DMG to Deploy AMOS Stealer
Unit 42 found a macOS ClickFix variant using hdiutil to silently mount DMG files and deploy AMOS stealer, targeting crypto wallets and iCloud Keychain.
Cybersecurity
WhatsApp Phishing Deploys ManageEngine RMM Malware Across Continents
Kaspersky found a WhatsApp phishing campaign using VBScript to install ManageEngine RMM software across multiple countries, granting attackers remote access.
Cybersecurity
iRhythm Confirms PHI Exfiltration via Social Engineering
iRhythm Technologies confirmed in an SEC 8-K that social engineering gave hackers access to patient cardiac monitoring data, which they then exfiltrated.
Cybersecurity
APT37 Deploys NarwhalRAT via Fake Microsoft Security Alerts
North Korean APT37 deployed NarwhalRAT, a new backdoor with encrypted custom C2, via fake Microsoft OTP security alerts targeting South Korean defense and crypto sectors.
Cybersecurity
The Quarry PhaaS: IRS Lures, ConnectWise RAT, 500+ Victims
CybersecurityNews and SOCRadar exposed The Quarry, a PhaaS platform active since April 2026 running IRS and SSA impersonation campaigns that silently install ConnectWise ScreenConnect for ...
Cybersecurity
Storm-3075 Uses ChatGPT and Claude Brands to Harvest Credentials
Microsoft identified Storm-3075 using ChatGPT, Claude, and DeepSeek brands in AiTM phishing that targeted over 2,000 organizations across the US, UK, and India.
Application Security
Fake Claude Code Installers on Google Sites Steal AI API Keys
An active campaign uses 32 Google Sites pages to distribute credential malware targeting AI API keys, browser logins, and password managers from developers.