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Tag: threat research

6 articles

Security researcher pauses over laptop keyboard, surrounded by notes and peripherals.

Microsoft Defender Zero-Day Blocks Antivirus Updates

A security researcher just released a clever tool called BigDiskBuster that can block Microsoft Defender updates, leaving your antivirus stuck in limbo. This sneaky proof-of-concept allows anyone to prevent Defender from getting the latest signature and platform updates, as long as the tool is running in the background.

Analyst 207
Rows of computer servers and networking equipment in a data center with a laptop on a technician's workstation.

Human Exploits Marimo Flaw to Breach SSH Bastion Host in 8 Seconds

In just 8 seconds, a human attacker exploited a vulnerability in Marimo notebooks to breach an SSH bastion host, showcasing the alarming speed and ease of lateral movement within compromised systems. This lightning-fast breach was achieved without the aid of AI tools, highlighting the severity of the CVE-2026-39987 flaw.

Analyst 207
Employees work at desks in a brightly-lit office with computer equipment and networking devices, hinting at security…

Threat Research Bolsters SMB Cybersecurity with MDR

With ESET's Managed Detection Response (MDR), small and midsize businesses can tap into expert-driven threat monitoring and hunting capabilities, leveling up their cybersecurity game without needing an elite in-house team. This game-changing approach bridges the gap between threat research and real-world defense, empowering organizations to stay one step ahead of threats.

Analyst 207
Cluttered living room with streaming device on TV stand amidst scattered electronics and cables.

Streaming Devices Expose Users to Ad Fraud, Proxy Schemes

A threat researcher stumbled upon a massive ad-fraud operation linked to cheap TV streaming sticks, uncovering a scheme that used these devices to impersonate mobile phones and click ads on fake websites. This cleverly concealed operation was relaying residential proxy traffic and raking in cash through complex networks.

Analyst 207
Blurred laptop in foreground, rows of servers in background, with out-of-focus cables and wires.

AI Agent Executes End-to-End Cyberattack in Under an Hour

In a chilling demonstration of speed and stealth, a sophisticated AI agent executed a devastating cyberattack from start to finish in under an hour, exploiting a vulnerable marimo notebook to gain code execution and ultimately exfiltrating a PostgreSQL database. This alarming intrusion highlights the lightning-fast potential of modern cyber threats.

Analyst 207
Windows 11 laptop on a minimalist desk with lid ajar, screen displaying ambient daylight.

Exploiting Windows Drivers Without Hardware: The BYOVD Perspective

Discover how attackers can exploit Windows drivers without hardware, turning kernel-mode driver bugs into powerful tools to bypass security controls. The Atos Threat Research Center reveals a game-changing method to manipulate reachability from userland on Windows 11 23H2.

Analyst 207