Four Threat Clusters Using CastleLoader as GrayBravo Expands Its Malware Service Infrastructure

Actualités
Four distinct threat activity clusters have been observed leveraging a malware loader known as CastleLoader, strengthening the previous assessment that the tool is offered to other threat actors under a malware-as-a-service (MaaS) model. The threat actor behind CastleLoader has been assigned the name GrayBravo by Recorded Future's Insikt Group, which was previously tracking it as TAG-150.
Read More

Storm-0249 Escalates Ransomware Attacks with ClickFix, Fileless PowerShell, and DLL Sideloading

Actualités
The threat actor known as Storm-0249 is likely shifting from its role as an initial access broker to adopt a combination of more advanced tactics like domain spoofing, DLL side-loading, and fileless PowerShell execution to facilitate ransomware attacks. "These methods allow them to bypass defenses, infiltrate networks, maintain persistence, and operate undetected, raising serious concerns for
Read More

How to Streamline Zero Trust Using the Shared Signals Framework

Actualités
Zero Trust helps organizations shrink their attack surface and respond to threats faster, but many still struggle to implement it because their security tools don’t share signals reliably. 88% of organizations admit they’ve suffered significant challenges in trying to implement such approaches, according to Accenture. When products can’t communicate, real-time access decisions break down. The
Read More

Google Adds Layered Defenses to Chrome to Block Indirect Prompt Injection Threats

Actualités
Google on Monday announced a set of new security features in Chrome, following the company's addition of agentic artificial intelligence (AI) capabilities to the web browser. To that end, the tech giant said it has implemented layered defenses to make it harder for bad actors to exploit indirect prompt injections that arise as a result of exposure to untrusted web content and inflict harm. Chief
Read More

STAC6565 Targets Canada in 80% of Attacks as Gold Blade Deploys QWCrypt Ransomware

Actualités
Canadian organizations have emerged as the focus of a targeted cyber campaign orchestrated by a threat activity cluster known as STAC6565. Cybersecurity company Sophos said it investigated almost 40 intrusions linked to the threat actor between February 2024 and August 2025. The campaign is assessed with high confidence to share overlaps with a hacking group known as Gold Blade, which is also
Read More

Researchers Find Malicious VS Code, Go, npm, and Rust Packages Stealing Developer Data

Actualités
Cybersecurity researchers have discovered two new extensions on Microsoft Visual Studio Code (VS Code) Marketplace that are designed to infect developer machines with stealer malware. The VS Code extensions masquerade as a premium dark theme and an artificial intelligence (AI)-powered coding assistant, but, in actuality, harbor covert functionality to download additional payloads, take
Read More

Architecting Security for Agentic Capabilities in Chrome (Google Online Security Blog)

Actualités
Posted by Nathan Parker, Chrome security team Chrome has been advancing the web’s security for well over 15 years, and we’re committed to meeting new challenges and opportunities with AI. Billions of people trust Chrome to keep them safe by default, and this is a responsibility we take seriously. Following the recent launch of Gemini in Chrome and the preview of agentic capabilities, we want to share our approach and some new innovations to improve the safety of agentic browsing. The primary new threat facing all agentic browsers is indirect prompt injection. It can appear in malicious sites, third-party content in iframes, or from user-generated content like user reviews, and can cause the agent to take unwanted actions such as initiating financial transactions or exfiltrating sensitive data. Given this open…
Read More

Architecting Security for Agentic Capabilities in Chrome

Actualités
Posted by Nathan Parker, Chrome security team Chrome has been advancing the web’s security for well over 15 years, and we’re committed to meeting new challenges and opportunities with AI. Billions of people trust Chrome to keep them safe by default, and this is a responsibility we take seriously. Following the recent launch of Gemini in Chrome and the preview of agentic capabilities, we want to share our approach and some new innovations to improve the safety of agentic browsing. The primary new threat facing all agentic browsers is indirect prompt injection. It can appear in malicious sites, third-party content in iframes, or from user-generated content like user reviews, and can cause the agent to take unwanted actions such as initiating financial transactions or exfiltrating sensitive data. Given this open…
Read More

Experts Confirm JS#SMUGGLER Uses Compromised Sites to Deploy NetSupport RAT

Actualités
Cybersecurity researchers are calling attention to a new campaign dubbed JS#SMUGGLER that has been observed leveraging compromised websites as a distribution vector for a remote access trojan named NetSupport RAT. The attack chain, analyzed by Securonix, involves three main moving parts: An obfuscated JavaScript loader injected into a website, an HTML Application (HTA) that runs encrypted
Read More

⚡ Weekly Recap: USB Malware, React2Shell, WhatsApp Worms, AI IDE Bugs & More

Actualités
It’s been a week of chaos in code and calm in headlines. A bug that broke the internet’s favorite framework, hackers chasing AI tools, fake apps stealing cash, and record-breaking cyberattacks — all within days. If you blink, you’ll miss how fast the threat map is changing. New flaws are being found, published, and exploited in hours instead of weeks. AI-powered tools meant to help developers
Read More