malware

Pierluigi Paganini March 06, 2026
Microsoft warns of ClickFix campaign exploiting Windows Terminal to deliver Lumma Stealer

Microsoft warns of ClickFix campaign using Windows Terminal to deliver Lumma Stealer via social engineering attacks. Microsoft revealed a new ClickFix campaign where attackers exploit Windows Terminal to run a complex attack chain, ultimately deploying Lumma Stealer malware. The campaign uses social engineering to trick users into executing malicious commands, highlighting growing risks to Windows […]

Pierluigi Paganini March 05, 2026
Phobos Ransomware admin faces up to 20 years after guilty plea

Russian national Evgenii Ptitsyn (43) pleaded guilty in the U.S. for his role in the Phobos ransomware operation. Russian national Evgenii Ptitsyn pleaded guilty in the US to wire fraud conspiracy for his role in the Phobos ransomware scheme. The man was arrested in South Korea in 2024 and extradited to the United States. He […]

Pierluigi Paganini March 05, 2026
Russian APT targets Ukraine with BadPaw and MeowMeow malware

Researchers uncovered a Russian campaign targeting Ukrainian entities with new malware families BadPaw and MeowMeow delivered through phishing emails. Researchers reported a phishing campaign linked to Russia that targets Ukrainian organizations using two new malware families, BadPaw and MeowMeow. The attack chain begins with a phishing email carrying a link to a ZIP archive. When […]

Pierluigi Paganini March 04, 2026
Data breach at University of Hawaiʻi Cancer Center impacts 1.2 Million individuals

A ransomware attack on the University of Hawaiʻi Cancer Center exposed personal data of 1.2 million people. A 2025 ransomware attack targeting the University of Hawaiʻi Cancer Center compromised the personal information of about 1.2 million individuals. The attack hit the University of Hawaiʻi Cancer Center on August 31, 2025, impacting servers that support research […]

Pierluigi Paganini March 02, 2026
Russia-linked APT28 exploited MSHTML zero-day CVE-2026-21513 before patch

Russia-linked APT28 reportedly exploited MSHTML zero-day CVE-2026-21513 before Microsoft patched it, a high-severity bypass flaw. Akamai reports that Russia-linked APT28 may have exploited CVE-2026-21513 CVSS score of 8.8), a high-severity MSHTML vulnerability (CVSS 8.8), before Microsoft patched it in February 2026. The vulnerability is an Internet Explorer security control bypass that can lead to code […]

Pierluigi Paganini March 02, 2026
APT37 combines cloud storage and USB implants to infiltrate air-gapped systems

North Korea-linked APT 37 used Zoho WorkDrive and USB malware to breach air-gapped networks in the Ruby Jumper campaign. North Korean group ScarCruft (aka APT37, Reaper, and Group123) deployed new tools in a campaign dubbed Ruby Jumper, using a backdoor that leverages Zoho WorkDrive for C2 and a USB-based implant to breach air-gapped systems. Zscaler ThreatLabz […]

Pierluigi Paganini March 01, 2026
SECURITY AFFAIRS MALWARE NEWSLETTER ROUND 86

Security Affairs Malware newsletter includes a collection of the best articles and research on malware in the international landscape Malware Newsletter Technical Deep Dive: The Monero Mining Campaign Operation Olalampo: Inside MuddyWater’s Latest Campaign   VShell and SparkRAT Observed in Exploitation of BeyondTrust Critical Vulnerability (CVE-2026-1731)   Operation MacroMaze: new APT28 campaign using basic tooling and legit […]

Pierluigi Paganini March 01, 2026
CVE-2025-64328 exploitation impacts 900 Sangoma FreePBX instances

About 900 Sangoma FreePBX systems were infected with web shells after attackers exploited a command injection flaw. Hundreds of Sangoma FreePBX instances are still infected with web shells following attacks that began in December 2025. Sangoma FreePBX is an open-source, web-based platform for managing Asterisk-powered VoIP phone systems. Maintained by Sangoma Technologies, it allows businesses […]

Pierluigi Paganini March 01, 2026
Security Affairs newsletter Round 565 by Pierluigi Paganini – INTERNATIONAL EDITION

A new round of the weekly Security Affairs newsletter has arrived! Every week, the best security articles from Security Affairs are free in your email box. Enjoy a new round of the weekly SecurityAffairs newsletter, including the international press. Canadian Tire 2025 data breach impacts 38 million users Iran ’s Internet near-totally blacked out amid […]

Pierluigi Paganini February 27, 2026
Aeternum botnet hides commands in Polygon smart contracts

Aeternum botnet uses Polygon blockchain smart contracts for C&C, making its infrastructure harder to detect and disrupt. Qrator Labs researchers uncovered Aeternum, a botnet that runs its command-and-control infrastructure through smart contracts on the Polygon blockchain. By decentralizing its C2, the malware avoids traditional server-based takedowns and becomes far harder to disrupt or shut down, […]