Ransomware attackers targeting a Fortune 100 company in the finance sector used a new malware strain, dubbed PDFSider, to ...

At the core of PDFSIDER is an encrypted command-and-control (C2) channel. The malware embeds the Botan cryptographic library and uses AES-256-GCM authenticated encryption, ensuring that command ...

GootLoader malware operators use deceptive installers, malicious ISO files, and browser hijacking to deliver ransomware and ...

CERT-UA reports PLUGGYAPE malware attacks targeting Ukrainian defense forces via Signal and WhatsApp, using phishing links ...

Officials of Ukraine's Defense Forces were targeted in a charity-themed campaign between October and December 2025 that ...

This week’s recap unpacks how evolving exploits, malware frameworks, and cloud missteps are reshaping modern cyber defense ...

SHADOW#REACTOR is a multi-stage Windows malware campaign that stealthily deploys the Remcos RAT using complex infection ...