In case you haven’t heard, RC4 is not secure and has been deprecated. In this article, I will discuss what changed with the January 2026 Windows Update and why it is important to start auditing and remediate RC4 usage is your environment. Starting with the , Windows security updates, Microsoft began the first official phase of hardening Kerberos authentication by reducing ...
During this phase, the default behavior changes to secure-by-default. If you need to continue using hands-free deployment, see Phase 1, Option 2 (Not recommended).
Learn how Windows is moving toward an NTLM-independent future with enhanced auditing, Kerberos enhancements, and a phased roadmap.
Phase 2 of Kerberos RC4 hardening begins with the April 2026 Windows security update Windows updates released in April 2026 and later begin the second deployment phase of protections designed to address a Kerberos information disclosure vulnerability (CVE‑2026‑20833).
Phase 2 of Kerberos RC4 hardening begins with the April 2026 Windows ...
What Changed in RC4 with the January 2026 Windows Update and Why it is ...
The Microsoft 365 Roadmap lists updates that are currently planned for applicable subscribers. Check here for more information on the status of new features and updates.
Phase 1 In the first phase, VBScript FODs will be pre-installed in all Windows 11, version 24H2 and on by default. This helps ensure your experiences are not disrupted if you have a dependency on VBScript while you migrate your dependencies (applications, processes, and the like) away from VBScript.
Generative large language model (LLM) applications are growing rapidly, leading to large-scale deployments of expensive and power-hungry GPUs. Our characterization of LLM inference shows that each inference request undergoes two phases: a compute-intensive prompt computation phase and a memory-intensive token generation phase, each with distinct latency, throughput, memory, and power ...