The U.S. National Security Agency (NSA), Cybersecurity and Infrastructure Security Agency (CISA) and partner agencies released a compact, operational playbook on Oct. 30 that tells administrators to treat on‑premises Microsoft Exchange servers as “under imminent threat,” urging immediate...
Microsoft has begun a strict, time‑boxed push to move Exchange hybrid customers off a Microsoft‑managed shared service principal and onto a dedicated Exchange hybrid app in Entra ID — a change driven by a high‑severity hybrid vulnerability and enforced through short, scheduled EWS traffic blocks...
