Leaked Shai-Hulud malware fuels new npm infostealer campaign

The Shai-Hulud malware leaked last week is now used in new attacks on the Node Package Manager (npm) index, as infected packages emerged over the weekend. A threat actor using the account deadcode09284814 published four malicious packages on npm and embedded one of them with a non-obfuscated version of Shai-Hulud that targeted developer credentials, secrets, cryptocurrency wallet data, […]

Hackers earn $1,298,250 for 47 zero-days at Pwn2Own Berlin 2026

The Pwn2Own Berlin 2026 hacking contest has concluded, with security researchers collecting $1,298,250 in rewards after exploiting 47 zero-day flaws. The competition took place at the OffensiveCon conference from May 14 to May 16 and focused on enterprise technologies and artificial intelligence. Throughout the contest, the hackers targeted fully patched products across web browsers, enterprise […]

New Windows ‘MiniPlasma’ zero-day exploit gives SYSTEM access, PoC released

A cybersecurity researcher has released a proof-of-concept exploit for a Windows privilege escalation zero-day dubbed “MiniPlasma” that lets attackers gain SYSTEM privileges on fully patched Windows systems.  The exploit was published by a researcher known as Chaotic Eclipse, or Nightmare Eclipse, who released both the source code and a compiled executable on GitHub after claiming […]

Tycoon2FA hijacks Microsoft 365 accounts via device-code phishing

The Tycoon2FA phishing kit now supports device-code phishing attacks and abuses Trustifi click-tracking URLs to hijack Microsoft 365 accounts. Despite an international law enforcement operation disrupting the Tycoon2FA phishing platform in March, the malicious operation was rebuilt on new infrastructure and quickly returned to regular activity levels. Earlier this month, Abnormal Security confirmed that Tycoon2FA had […]

Microsoft rejects critical Azure vulnerability report, no CVE issued

A security researcher claims Microsoft quietly fixed an Azure Backup for AKS vulnerability after rejecting his report, and blocking a CVE from being issued. The researcher’s report describes a critical privilege escalation flaw that allowed cluster-admin access from the low-privileged “Backup Contributor” role. Microsoft disputes the claim, telling BleepingComputer the behavior was expected and that “no product changes […]

Russian hackers turn Kazuar backdoor into modular P2P botnet

The Russian hacker group Secret Blizzard has developed its long-running Kazuar backdoor into a modular peer-to-peer (P2P) botnet designed for long-term persistence, stealth, and data collection. Secret Blizzard, whose activity overlaps that of Turla, Uroburos, and Venomous Bear, has been associated with the Russian intelligence service (FSB) and is known for targeting government and diplomatic […]

Funnel Builder WordPress plugin bug exploited to steal credit cards

A critical vulnerability in the Funnel Builder plugin for WordPress is being actively exploited to inject malicious JavaScript snippets into WooCommerce checkout pages. The flaw has not received an official identifier and can be leveraged without authentication. It affects all versions of the plugin before 3.15.0.3. Funnel Builder is a WordPress plugin for WooCommerce Checkout developed […]