Apple has released macOS 27 Golden Gate beta 5 to developers as build 26A5406e, roughly two weeks after beta 4. The update appears focused on bug fixes, performance, and refinement rather than introducing a major new feature.

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A preliminary quantum algorithm from AWS cryptographer Daniel R. Simon claims polynomial-time progress on the Dihedral Coset Problem (DCP), a problem connected to lattice mathematics behind post-quantum cryptography (PQC). The result could affect long-term security assumptions, but it does not currently break ML-KEM, ML-DSA, or any deployed cryptographic system.

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Intelligent Terminal 0.2 adds native local model support, allowing agents to run against Ollama or other OpenAI-compatible endpoints without sending prompts to the cloud. The Windows Terminal fork also adds per-tab agent and model selection, WSL-aware profiles, and first-class OpenCode support.

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The new Homepage filter lets members mark posts they have read or scrolled past. Keeping the 4sysops homepage open will now automatically load newly published posts. The new fact-checking feature lets you verify the accuracy of selected text or an entire article. For a complete list of all 4sysops member features, see this regularly updated list.

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OpenAI has launched GPT-5.6-Cyber, a cybersecurity model designed to help find vulnerabilities, validate exploits, and respond to incidents. The model is not available to the public: organizations must access it through approved security partners and OpenAI’s tightly controlled Daybreak program.

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Cloudflare’s Agents Week introduced a broad set of infrastructure, development, security, browser, payments, and community initiatives designed to support autonomous software agents.Key announcements

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An OpenClaw AI agent used Anthropic’s Claude to exploit missing authorization checks in a gym booking API, canceling another customer’s reservation while trying to move its user up a waitlist. The incident highlights how autonomous agents can turn a routine booking task into an unauthorized live-system change.

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Microsoft has stopped allowing new picture passwords on Windows 11 and Windows 10, but the change was documented weeks after the July 2026 update shipped. Existing picture-password sign-ins continue to work, while removed or never-created credentials cannot be enrolled again.

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Windows Server 2016 Extended Security Updates are now generally available through Azure Arc, giving organizations a pay-as-you-go way to keep eligible on-premises, edge, and multicloud servers patched after end of support. Critical and Important security updates will remain available through January 2030 without moving workloads to Azure virtual machines.

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Ransomware crews are increasingly targeting managers because their “business privilege” can unlock payment approvals, contracts, budgets, customer data, and internal relationships. In one campaign, 62% of targeted employees held manager-level titles or higher, while broader ransomware activity and data theft also rose sharply.

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AWS Elastic Disaster Recovery (AWS DRS) now automatically preserves UEFI boot mode when recovering Linux servers. Recovered instances launch with the same firmware mode as their sources, removing a post-recovery configuration step that could otherwise prevent UEFI-dependent applications from starting correctly.

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OpenAI is expanding its Daybreak cybersecurity program with GPT-5.6-Cyber, a specialized model that completes 95% of an internal set of advanced security requests. The model is available only to approved defenders through a restricted tier designed for vulnerability research, exploit validation, and authorized testing.

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OpenAI is adding Premium seats to ChatGPT Business, giving heavy users five times the usage of Standard seats and removing the existing five-hour limit. The new tier costs $125 per user monthly or $100 with annual billing, while workspace owners can mix Premium and Standard seats.

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Microsoft 365 Copilot readiness starts with data exposure, not license assignment. Because Copilot uses each user’s existing permissions, years-old oversharing in SharePoint, Teams, OneDrive, and Exchange can become instantly searchable and summarized.

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Microsoft’s July 2026 Microsoft Security update introduces Project Perception, an agentic defense platform designed to continuously identify, investigate, and remediate threats. The release also adds AI-focused protections for email, cloud agents, identities, data, and Microsoft 365 Copilot.

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DeadLock ransomware is using a self-contained recovery chat that combines the Polygon blockchain, the decentralized Session messenger, and external file storage. Microsoft’s analysis also details a Rust-based encryptor that suppresses security and backup services, clears event logs, and throttles its activity to avoid making infected systems unusable too quickly.

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OpenAI’s reported doughnut-shaped ChatGPT speaker is shaping up as more than a conventional smart speaker. The battery-powered, screenless device could combine cameras, environmental sensors, moving mechanical parts, and advanced voice AI at a rumored $300–$400 price, with a 2027 release targeted.

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Microsoft Entra administrators have several identity-policy changes to schedule, including the retirement of the `memberOf` rule operator on November 3, 2026. Microsoft is also shortening the time before managed policies can activate and changing how users register passwordless authentication.

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Microsoft is beginning the rollout of Cross-Tenant Access Policy for cross-tenant Free/Busy, MailTips, and calendar sharing. Organizations that still depend on Exchange Web Services must migrate their sharing configuration before EWS shutdown reaches their tenants, with April 1, 2027, as the final deadline.

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