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Notes on running IT. An English version appears when the same article is published in this language. Portuguese is the blog’s primary language.
Microsoft confirmed that the October 2026 Windows Server security updates can break OWA sign-in and mail delivery on on-premises Exchange servers. Symptoms, the temporary workaround, and what to review.
Between Oct 15 and 17, 2026, the credential of ConnectWise's backup app (formerly SkyKick) was used to get into Microsoft 365 tenants without passing MFA. What happened, what to do, and what every company should review.
On Oct 16, 2026, CISA warned about CVE-2026-102764, actively exploited in BeyondTrust Remote Support. Who needs to act, what to do, and how to review remote access at your company.
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Microsoft confirmed that the October 2026 Windows Server security updates can break OWA sign-in and mail delivery on on-premises Exchange servers. Symptoms, the temporary workaround, and what to review.
Between Oct 15 and 17, 2026, the credential of ConnectWise's backup app (formerly SkyKick) was used to get into Microsoft 365 tenants without passing MFA. What happened, what to do, and what every company should review.
On Oct 16, 2026, CISA warned about CVE-2026-102764, actively exploited in BeyondTrust Remote Support. Who needs to act, what to do, and how to review remote access at your company.
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