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Weekly Cybersecurity Newsletter — Top 50 Cybersecurity Stories of the Week (July 27–August 1, 2026) - cyberpress.orgcyberpress.org · Mon, 03 Aug 2026 15:14:48 GMTRussian state hackers deploy persistent Exchange backdoor that survives disk reimaging - BetaNewsBetaNews · Fri, 31 Jul 2026 13:31:28 GMTRussian hackers exploit Outlook flaw to spy on governments - CybernewsCybernews · Fri, 31 Jul 2026 08:10:10 GMTRussian actors attack via Outlook Web Access vulnerability - heise onlineheise online · Fri, 31 Jul 2026 07:00:00 GMTMax-severity Exchange server flaw under active exploitation by Kremlin hackers - Ars TechnicaArs Technica · Thu, 30 Jul 2026 20:57:22 GMTLaundry Bear’s new Microsoft Exchange attack triggers on email open (CVE-2026-42897) - Help Net SecurityHelp Net Security · Thu, 30 Jul 2026 14:23:34 GMTRussian Hackers Breached Exchange Servers With OWAReaper: Implant Survives Re-Imaging - Tech TimesTech Times · Thu, 30 Jul 2026 12:54:39 GMTRussian Hackers Exploit Microsoft OWA Flaw to Keep Mailbox Access After Credential Rotation - The Hacker NewsThe Hacker News · Thu, 30 Jul 2026 07:40:00 GMT