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Silver Fox Expands Winos 4.0 Attacks to Japan and Malaysia via HoldingHands RAT

The threat actors behind a malware family known as Winos 4.0 (aka ValleyRAT) have expanded their targeting footprint from China and Taiwan to target Japan and Malaysia with another remote access trojan (RAT) tracked as HoldingHands RAT (aka Gh0stBins). "The campaign relied on phishing emails with PDFs that contained embedded malicious links," Pei Han Liao, researcher with Fortinet's FortiGuard

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CVE-2025-11756: Chromium: CVE-2025-11756 Use after free in Safe Browsing

**What is the version information for this release?** Microsoft Edge Version Date Released Based on Chromium Version 141.0.3537.85 10/17/2025 141.0.7390.107/.108

North Korean Hackers Combine BeaverTail and OtterCookie into Advanced JS Malware

The North Korean threat actor linked to the Contagious Interview campaign has been observed merging some of the functionality of two of its malware programs, indicating that the hacking group is actively refining its toolset. That's according to new findings from Cisco Talos, which said recent campaigns undertaken by the hacking group have seen the functions of BeaverTail and OtterCookie coming

Microsoft Revokes 200 Fraudulent Certificates Used in Rhysida Ransomware Campaign

Microsoft on Thursday disclosed that it revoked more than 200 certificates used by a threat actor it tracks as Vanilla Tempest to fraudulently sign malicious binaries in ransomware attacks. The certificates were "used in fake Teams setup files to deliver the Oyster backdoor and ultimately deploy Rhysida ransomware," the Microsoft Threat Intelligence team said in a post shared on X. The tech

NK’s Famous Chollima Use BeaverTail and OtterCookie Malware in Job Scam

North Korea's Famous Chollima is back, merging BeaverTail and OtterCookie malware to target job seekers. Cisco Talos details the new threat. Keylogging, screen recording, and cryptocurrency wallet theft detected in an attack.

Siemens HyperLynx and Industrial Edge App Publisher

As of January 10, 2023, CISA will no longer be updating ICS security advisories for Siemens product vulnerabilities beyond the initial advisory. For the most up-to-date information on vulnerabilities in this advisory, please see Siemens' ProductCERT Security Advisories (CERT Services | Services | Siemens Global). View CSAF 1. EXECUTIVE SUMMARY CVSS v4 7.0 ATTENTION: Exploitable remotely/low attack complexity Vendor: Siemens Equipment: HyperLynx and Industrial Edge App Publisher Vulnerability: Access of Resource Using Incompatible Type ('Type Confusion') 2. RISK EVALUATION Successful exploitation of this vulnerability could allow a remote attacker to perform arbitrary code execution via a crafted HTML page. 3. TECHNICAL DETAILS 3.1 AFFECTED PRODUCTS Siemens reports that the following products are affected: Siemens HyperLynx: vers:all/* Siemens Industrial Edge App Publisher: vers:intdot/<1.23.5 3.2 VULNERABILITY OVERVIEW 3.2.1 ACCESS OF RESOURCE USING INCOMPATIBLE TYPE ('TYPE CONFUSION')...

BeaverTail and OtterCookie evolve with a new Javascript module

Cisco Talos has uncovered a new attack linked to Famous Chollima, a threat group aligned with North Korea (DPRK).

The Power of Vector Databases in the New Era of AI Search

In my 15 years as a software engineer, I’ve seen one truth hold constant: traditional databases are brilliant…

How Attackers Bypass Synced Passkeys

TLDR Even if you take nothing else away from this piece, if your organization is evaluating passkey deployments, it is insecure to deploy synced passkeys. Synced passkeys inherit the risk of the cloud accounts and recovery processes that protect them, which creates material enterprise exposure. Adversary-in-the-middle (AiTM) kits can force authentication fallbacks that circumvent strong

Two New Windows Zero-Days Exploited in the Wild — One Affects Every Version Ever Shipped

Microsoft on Tuesday released fixes for a whopping 183 security flaws spanning its products, including three vulnerabilities that have come under active exploitation in the wild, as the tech giant officially ended support for its Windows 10 operating system unless the PCs are enrolled in the Extended Security Updates (ESU) program. Of the 183 vulnerabilities, eight of them are non-Microsoft