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Microsoft Defender update lets SOC teams manage, vet response tools

Microsoft introduced library management in Microsoft Defender to help security analysts working with live response manage scripts and tools they use to triage, investigate and remediate threats. The library management interface allows analysts to organize their investigation tools and manage everything without waiting for an active session. “This enhancement in Defender’s live response tooling improves operational readiness, enhances visibility and control, and helps streamline response workflows across SOC teams,” Ami Barayev, Principal Product Manager at … More → The post Microsoft Defender update lets SOC teams manage, vet response tools appeared first on Help Net Security.
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Claude Sonnet 4.6 launches with improved coding and expanded developer tools

Anthropic released Claude Sonnet 4.6, marking its second major AI launch in less than two weeks. Scores prior to Claude Sonnet 4.5 (Source: Anthropic) According to Anthropic, Sonnet 4.6 delivers improved coding skills to more users. Tasks that once required an Opus-class model, including economically valuable office work, are handled by Sonnet 4.6. The model also brings improvements in computer use capabilities compared to earlier Sonnet versions. Early customers report broad performance gains, with frontend … More → The post Claude Sonnet 4.6 launches with improved coding and expanded developer tools appeared first on Help Net Security.
http://news.poseidon-us.com/TR1gVJ

AWS coding agents gain new plugin support across development tools

AI coding assistants have become a routine part of many development workflows, helping engineers write, test, and deploy code from IDEs or command line interfaces. One recent change in this ecosystem makes it possible for those agents to interact with AWS in a broader set of ways by adding a library of plugins that give agents specific AWS knowledge and actions. Agent plugins offer AWS deployment capabilities The repository includes a first plugin that can … More → The post AWS coding agents gain new plugin support across development tools appeared first on Help Net Security.
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Tracking Malware Campaigns With Reused Material, (Wed, Feb 18th)

A few days ago I wrote a diary called “Malicious Script Delivering More Maliciousness”[1]. In the malware infection chain, there was a JPEG picture that embedded the last payload delimited with “BaseStart-” and “-BaseEnd” tags.
http://news.poseidon-us.com/TR1fDj

The defense industrial base is a prime target for cyber disruption

Cyber threats against the defense industrial base (DIB) are intensifying, with adversaries shifting from traditional espionage toward operations designed to disrupt production capacity and compromise supply chains. In this Help Net Security interview, Luke McNamara, Deputy Chief Analyst, Google Threat Intelligence Group, explains how attackers target the broader defense ecosystem and why identity has become the new security boundary. At a strategic level, how do cyber operations against the defense industrial base differ from espionage … More → The post The defense industrial base is a prime target for cyber disruption appeared first on Help Net Security.
http://news.poseidon-us.com/TR1bMP

Everyone uses open source, but patching still moves too slowly

Enterprise security teams rely on open source across infrastructure, development pipelines, and production applications, even when they do not track it as a separate category of technology. Open source has become a default building block in many environments, and the operational risks now look like standard enterprise security problems: patch delays, version sprawl, and aging platforms that stay online longer than planned. TuxCare’s 2026 Open Source Landscape Report describes an open source footprint that continues … More → The post Everyone uses open source, but patching still moves too slowly appeared first on Help Net Security.
http://news.poseidon-us.com/TR1bML

Cybersecurity in cross-border logistics operations

In this Help Net Security video, Dieter Van Putte, CTO at Landmark Global, discusses how cybersecurity has become a core part of global supply chain operations. He explains that logistics is now also about data moving between carriers, customs authorities, warehouses, brokers, and customers. That constant flow increases risk and expands the attack surface. Van Putten outlines key security priorities, including encrypted data transfers, secure APIs, strict access control, and data minimization. He stresses that … More → The post Cybersecurity in cross-border logistics operations appeared first on Help Net Security.
http://news.poseidon-us.com/TR1bL0

SecureClaw: Dual stack open-source security plugin and skill for OpenClaw

AI agent frameworks are being used to automate work that involves tools, files, and external services. That type of automation creates security questions around what an agent can access, what it can change, and how teams can detect risky behavior. SecureClaw is an open-source project that adds security auditing and rule-based controls to OpenClaw agent environments. The tool is published by Adversa AI and is designed to work with OpenClaw and related agents such as … More → The post SecureClaw: Dual stack open-source security plugin and skill for OpenClaw appeared first on Help Net Security.
http://news.poseidon-us.com/TR1XJj