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The Hacker News General

Securing the Mid-Market Across the Complete Threat Lifecycle

For mid-market organizations, cybersecurity is a constant balancing act. Proactive, preventative security measures are essential to protect an expanding attack surface. Combined with effective protection that blocks threats, they play a critical role in stopping cyberattacks befo

The Hacker News Malware

⚡ Weekly Recap: Proxy Botnet, Office Zero-Day, MongoDB Ransoms, AI Hijacks & New Threats

Every week brings new discoveries, attacks, and defenses that shape the state of cybersecurity. Some threats are stopped quickly, while others go unseen until they cause real damage. Sometimes a single update, exploit, or mistake changes how we think about risk and protection. Ev

The Hacker News General

Microsoft Begins NTLM Phase-Out With Three-Stage Plan to Move Windows to Kerberos

Microsoft has announced a three-phase approach to phase out New Technology LAN Manager (NTLM) as part of its efforts to shift Windows environments toward stronger, Kerberos-based options. The development comes more than two years after the tech giant revealed its plans to depreca

The Hacker News Vulnerability

OpenClaw Bug Enables One-Click Remote Code Execution via Malicious Link

A high-severity security flaw has been disclosed in OpenClaw (formerly referred to as Clawdbot and Moltbot) that could allow remote code execution (RCE) through a crafted malicious link. The issue, which is tracked as CVE-2026-25253 (CVSS score: 8.8), has been addressed in versio

The Hacker News APT

Researchers Find 341 Malicious ClawHub Skills Stealing Data from OpenClaw Users

A security audit of 2,857 skills on ClawHub has found 341 malicious skills across multiple campaigns, according to new findings from Koi Security, exposing users to new supply chain risks. ClawHub is a marketplace designed to make it easy for OpenClaw users to find and install th

The Hacker News Data Breach

Notepad++ Hosting Breach Attributed to China-Linked Lotus Blossom Hacking Group

A China-linked threat actor known as Lotus Blossom has been attributed with medium confidence to the recently discovered compromise of the infrastructure hosting Notepad++. The attack enabled the state-sponsored hacking group to deliver a previously undocumented backdoor codename

The Hacker News General

Mozilla Adds One-Click Option to Disable Generative AI Features in Firefox

Mozilla on Monday announced a new controls section in its Firefox desktop browser settings that allows users to completely turn off generative artificial intelligence (GenAI) features. "It provides a single place to block current and future generative AI features in Firefox," Aji

Kaspersky Malware

Supply chain attack on eScan antivirus: detecting and remediating malicious updates

On January 20, Kaspersky solutions detected malware used in eScan antivirus supply chain attack. In this article we provide available information on the threat: indicators of compromise, threat hunting and mitigating tips, etc.

Unit42 General

Understanding the Russian Cyberthreat to the 2026 Winter Olympics

Russia's current isolation from the Olympics may lead to increased cyberthreats targeting the 2026 Winter Games. We discuss the potential threat picture. The post Understanding the Russian Cyberthreat to the 2026 Winter Olympics appeared first on Unit 42.

Unit42 Vulnerability

Privileged File System Vulnerability Present in a SCADA System

We detail our discovery of CVE-2025-0921. This privileged file system flaw in SCADA system Iconics Suite could lead to a denial-of-service (DoS) attack. The post Privileged File System Vulnerability Present in a SCADA System appeared first on Unit 42.

Mandiant APT

Diverse Threat Actors Exploiting Critical WinRAR Vulnerability CVE-2025-8088

Introduction  The Google Threat Intelligence Group (GTIG) has identified widespread, active exploitation of the critical vulnerability CVE-2025-8088 in WinRAR, a popular file archiver tool for Windows, to establish initial access and deliver diverse payloads. Discovered and patch

Krebs on Security Malware

Kimwolf Botnet Lurking in Corporate, Govt. Networks

A new Internet-of-Things botnet called Kimwolf has spread to more than 2 million devices, forcing infected systems to participate in massive distributed denial-of-service (DDoS) attacks and to relay other malicious and abusive Internet traffic. Kimwolf's ability to scan the local

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