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Help Net Security

Let’s Encrypt TLS certificate lifetimes to drop from 90 to 64 days starting February 2027

Websites that rely on Let’s Encrypt will soon have to renew their TLS certificates more often. Starting February 10, 2027, the certificate authority will issue certificates valid for 64 days by default, down from 90 days. Subscribers who already use Let’s Encrypt’s optional 45-day or 6-day certificates are not affected. The organization expects the last 90-day certificate to expire on May 11, 2027, and will not revok…

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Help Net Security

Brotli bug reaches far beyond Node.js (CVE-2026-111497)

A vulnerability in Brotli, Google’s widely used open-source compression library, is putting a broad range of software at risk. About CVE-2026-111497 Alternatively known as “Node2Shell”, “Broccoli2Shell” and “Brotli2Shell”, CVE-2026-111497 is a remotely exploitable out-of-bounds write flaw that gained widespread attention after Node.js publicly disclosed it on October 21, 2026. “An attacker who can supply Brotli data…

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Socure links AI agents to verified people and businesses

Socure has launched Agent Intelligence, a suite that detects AI agents, scores whether they should be trusted, and ties each agent to the verified person or business that authorized it. Agent Intelligence includes three layers in one platform designed to go beyond simple Know Your Agent (KYA) solutions: Agent Detection, generally available today inside Socure’s existing Digital Intelligence offering, Agent TrustScore…

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DNSFilter LUMINATE unifies DNS security, AI controls and remote work protection

DNSFilter has launched LUMINATE by DNSFilter, a security platform that allows organizations to deliver five security solutions from one agent, one console and one policy. Shadow AI is now one of the fastest-growing risks in business. Employees are adopting AI tools and agents faster than security teams can approve them, often without any visibility from existing security technology. Nearly a third of employees using…

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Exeon expands threat detection to shadow AI and autonomous agents

Exeon Analytics has introduced Exeon.AgentGuard, a new AI security solution designed to give organizations visibility into approved and shadow AI use, autonomous agent activity and the data flows created through connected tools and external services. Building on its expertise in AI-driven behavioral analytics and threat detection, Exeon expands its cybersecurity capabilities to address emerging risks associated with…

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