April 2026 – Page 13 – Learn and Explore

April 6, 2026
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Qilin and Warlock Ransomware Use Vulnerable Drivers to Disable 300+ EDR Tools

Threat actors associated with Qilin and Warlock ransomware operations have been observed using the bring your own vulnerable driver (BYOVD) technique to silence security tools running on compromised hosts, according to findings from Cisco Talos and Trend Micro. Qilin attacks analyzed by Talos have been found to deploy a malicious DLL named “msimg32.dll,”

April 6, 2026
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BKA Identifies REvil Leaders Behind 130 German Ransomware Attacks

Germany’s Federal Criminal Police Office (aka BKA or the Bundeskriminalamt) has unmasked the real identity of the main threat actors associated with the now-defunct REvil (aka Sodinokibi) ransomware-as-a-service (RaaS) operation. The threat actor, who went by the alias UNKN, functioned as a representative of the group, advertising the ransomware...

April 5, 2026
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$285 Million Drift Hack Traced to Six-Month DPRK Social Engineering Operation

Drift has revealed that the April 1, 2026, attack that led to the theft of $285 million was the culmination of a months-long targeted and meticulously planned social engineering operation undertaken by the Democratic People’s Republic of Korea (DPRK) that began in the fall of 2025. The Solana-based decentralized exchange described it as “an...

April 5, 2026
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Fortinet Patches Actively Exploited CVE-2026-35616 in FortiClient EMS

Fortinet has released out-of-band patches for a critical security flaw impacting FortiClient EMS that it said has been exploited in the wild. The vulnerability, tracked as CVE-2026-35616 (CVSS score: 9.1), has been described as a pre-authentication API access bypass leading to privilege escalation. “An improper access control vulnerability...

April 5, 2026
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36 Malicious npm Packages Exploited Redis, PostgreSQL to Deploy Persistent Implants

Cybersecurity researchers have discovered 36 malicious packages in the npm registry that are disguised as Strapi CMS plugins but come with different payloads to facilitate Redis and PostgreSQL exploitation, deploy reverse shells, harvest credentials, and drop a persistent implant. “Every package contains three files (package.json, index.js, postinstall.js), has no description,...

April 3, 2026
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China-Linked TA416 Targets European Governments with PlugX and OAuth-Based Phishing

A China-aligned threat actor has set its sights on European government and diplomatic organizations since mid-2025, following a two-year period of minimal targeting in the region. The campaign has been attributed to TA416, a cluster of activity that overlaps with DarkPeony, RedDelta, Red Lich, SmugX, UNC6384, and Vertigo Panda. “This TA416 activity included multiple

April 3, 2026
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Microsoft Details Cookie-Controlled PHP Web Shells Persisting via Cron on Linux Servers

Threat actors are increasingly using HTTP cookies as a control channel for PHP-based web shells on Linux servers and to achieve remote code execution, according to findings from the Microsoft Defender Security Research Team. “Instead of exposing command execution through URL parameters or request bodies, these web shells rely on threat...

April 3, 2026
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Why Third-Party Risk Is the Biggest Gap in Your Clients’ Security Posture

The next major breach hitting your clients probably won’t come from inside their walls. It’ll come through a vendor they trust, a SaaS tool their finance team signed up for, or a subcontractor nobody in IT knows about. That’s the new attack surface, and most organizations are underprepared for it. Cynomi’s new guide, Securing...

April 3, 2026
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UNC1069 Social Engineering of Axios Maintainer Led to npm Supply Chain Attack

The maintainer of the Axios npm package has confirmed that the supply chain compromise was the result of a highly-targeted social engineering campaign orchestrated by North Korean threat actors tracked as UNC1069. Maintainer Jason Saayman said the attackers tailored their social engineering efforts “specifically to me” by first approaching him under...

April 3, 2026
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Drift Loses $285 Million in Durable Nonce Social Engineering Attack Linked to DPRK

Solana-based decentralized exchange Drift has confirmed that attackers drained about $285 million from the platform during a security incident that took place on April 1, 2026. “Earlier today, a malicious actor gained unauthorized access to Drift Protocol through a novel attack involving durable nonces, resulting in a rapid takeover of...