Kaspersky SIEM is an еnterprise-grade integrated solution which empowers SOC analysts with the full visibility, context, and tools needed to respond efficiently and uncover previously unknown threats.
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Kaspersky experts have discovered malicious TrueConf software installers. The Head Mare APT group uses them to deliver the PhantomCore and PhantomGraph backdoors to target systems by exploiting vulnerabilities in an unpatched TrueConf server.
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We identified targeted infection attempts against large Russian organizations using the ViPNet update system (a software suite for creating secure networks).
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Kaspersky experts have uncovered a malicious network infrastructure for delivering AsyncRAT. The Trojan is dropped via compromised ScreenConnect software. In this post, we break down the infection chain and analyze the C2 infrastructure.
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Over the past two months, the anonymous researcher Nightmare Eclipse has publicly released six Windows vulnerabilities complete with ready-to-use exploits, without prior coordination with Microsoft. The most critical of these is MiniPlasma.
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Targeted by threat actors: individuals and organizations across 100+ countries and territories, with the majority of victims located in Russia, Brazil, Turkey, Spain, Germany, France, Italy, and China.
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The vulnerability affects kernels released between 2017 and 2026. Both outdated server configurations and modern distributions are at risk: Ubuntu, RHEL etc.
![On April 9, 2026, the website cpuid[.]com, hosting installers for popular system administration software CPU-Z, HWMonitor (HWMonitor Pro) and Perfmonitor 2, was compromised. We observed that starting from approximately April 9, 15:00 UTC, until about April 10, 10:00 UTC, the legitimate download URLs for installers of that software have been replaced with URLS to the following malicious websites:](https://media.kasperskycontenthub.com/wp-content/uploads/sites/43/2026/04/10145014/pingpongsuperman_CPU_is_burning_ultra_detailed_sharp_focus_8k_495f9cb6-fa56-4ea8-ad14-88d8c7c8805a_3-gigapixel-redefine-creative-2x-800x450.jpeg){kind=tracking}
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In April 2026, cpuid.com delivered trojanized CPU-Z and HWMonitor installers with STX RAT. 150+ victims in Brazil, Russia, China.
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Kaspersky GReAT experts discovered previously undocumented infection chains used in the Notepad++ supply chain attacks. The article provides new IoCs related to those incidents which employ DLL sideloading and Cobalt Strike Beacon delivery.
Kaspersky researchers have discovered new Mirage Kitten attacks using previously undocumented malware families: NodeRabbit in Node.js and PollCat in JavaScript.
Our experts discovered a new CoolClient backdoor variant with a kernel-mode rootkit driver that hides malicious processes, files, and network connections from security tools and threat analysts.
Kaspersky experts break down a new Armored Likho campaign that poses as a fundraising efforts and delivers a new Still Toolkit aimed at stealing Telegram data and eavesdropping on victims.
Kaspersky researchers reveal previously undocumented malware attributed to Mirage Kitten (UNC1549, Smoke Sandstorm, Nimbus Manticore): NightLedger backdoor, ArcBridge, and BridgeHead tunneling tools.
