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No clear path to ending the partial government shutdown as lawmakers dig in over DHS oversight

Lawmakers and the White House are offering no signs of compromise in their battle over oversight of federal immigration officers.
http://news.poseidon-us.com/TR045S

LockBit 5.0 ransomware expands its reach across Windows, Linux, and ESXi

The Acronis Threat Research Unit (TRU) has identified a new and significantly enhanced version of the LockBit ransomware, LockBit 5.0, currently being deployed in active campaigns. The latest variant demonstrates expanded cross-platform capabilities, enabling attackers to target Windows, Linux, and VMware ESXi systems within a single coordinated attack. According to analysis, LockBit 5.0 introduces dedicated builds tailored for enterprise environments, reflecting the continued evolution of ransomware-as-a-service (RaaS) operations. By supporting multiple operating systems and virtualization … More → The post LockBit 5.0 ransomware expands its reach across Windows, Linux, and ESXi appeared first on Help Net Security.
http://news.poseidon-us.com/TQzx0l

Passwork 7.4 enhances enterprise security with centralized User vault restrictions

Passwork has released version 7.4, introducing restrictive settings for User vaults along with enhancements to improve security and user experience. The update enables administrators to enforce stricter controls over password sharing and distribution, reducing data breach risks and supporting compliance with strong security policies. Key features of Passwork 7.4 Restrictive settings for User Vaults: Administrators can centrally enable or restrict the following actions for all User vaults: Adding users and groups Sending passwords Creating password … More → The post Passwork 7.4 enhances enterprise security with centralized User vault restrictions appeared first on Help Net Security.
http://news.poseidon-us.com/TQzx0X

Microsoft equips CISOs and AI risk leaders with a new security tool

Microsoft released Security Dashboard for AI in public preview for enterprise environments. The dashboard aggregates posture and real-time risk signals from Microsoft Defender, Microsoft Entra, and Microsoft Purview into a single view within security tools. Security Dashboard for AI in browser (Source: Microsoft) “The dashboard equips CISOs and AI risk leaders with a governance tool to discover agents and AI apps, track AI posture and drift, and correlate risk signals to investigate and act across … More → The post Microsoft equips CISOs and AI risk leaders with a new security tool appeared first on Help Net Security.
http://news.poseidon-us.com/TQzwyw

Scientists confirm one-dimensional electron behavior in phosphorus chains

For the first time, researchers have shown that self-assembled phosphorus chains can host genuinely one-dimensional electron behavior. Using advanced imaging and spectroscopy techniques, they separated the signals from chains aligned in different directions to reveal their true nature. The findings suggest that squeezing the chains closer together could trigger a dramatic shift from semiconductor to metal. That means simply adjusting density could unlock entirely new electronic states.
http://news.poseidon-us.com/TQzr81

OpenClaw creator Peter Steinberger joins OpenAI

Peter Steinberger, the Austrian software developer who vibe coded the popular OpenClaw autonomous AI agent, has joined OpenAI. “My next mission is to build an agent that even my mum can use. That’ll need a much broader change, a lot more thought on how to do it safely, and access to the very latest models and research,” he shared over the weekend. The reason why Steinberger chose OpenAI to achieve this goal is, professedly, his … More → The post OpenClaw creator Peter Steinberger joins OpenAI appeared first on Help Net Security.
http://news.poseidon-us.com/TQznwx

UK sets course for stricter AI chatbot regulation

The UK government has announced immediate action to force AI chatbot providers to comply with laws requiring online platforms to protect children from illegal and harmful content. Providers that fail to meet these duties will face legal consequences. This follows recent intervention after non-consensual intimate images were shared through the AI chatbot Grok, prompting the removal of a related function. The Prime Minister said the government will take new legal powers to support swift action … More → The post UK sets course for stricter AI chatbot regulation appeared first on Help Net Security.
http://news.poseidon-us.com/TQznw2

ChatGPT gets new security feature to fight prompt injection attacks

OpenAI has introduced Lockdown Mode and Elevated Risk labels in ChatGPT to help users and organizations reduce the risk of prompt injection attacks and other advanced security threats, particularly when using features that interact with external systems. Limiting tool access to prevent data exfiltration Lockdown Mode in ChatGPT is an optional, advanced security setting for highly security-conscious users who require protection against advanced threats. To reduce the risk of prompt injection–based data exfiltration, it constrains … More → The post ChatGPT gets new security feature to fight prompt injection attacks appeared first on Help Net Security.
http://news.poseidon-us.com/TQzhB2

Google patches Chrome vulnerability with in-the-wild exploit (CVE-2026-2441)

Google released a security update for Chrome to address a high-severity zero‑day vulnerability (CVE-2026-2441) on Friday. “Google is aware that an exploit for CVE-2026-2441 exists in the wild,” the company said. About CVE-2026-2441 CVE-2026-2441 is a use-after-free bug in the CSS processing component of Google Chrome, which allows a remote attacker “to execute arbitrary code inside a sandbox via a crafted HTML page.” The vulnerability was reported by researcher Shaheen Fazim on February 11, 2026. … More → The post Google patches Chrome vulnerability with in-the-wild exploit (CVE-2026-2441) appeared first on Help Net Security.
http://news.poseidon-us.com/TQzh9w