http://www.cybersecurityos.net/tags/linux-security/Recent content in Linux Security on CybersecurityOSHugoen-usSun, 18 Oct 2026 18:20:26 -0500http://www.cybersecurityos.net/posts/os-weekly/os-weekly-2026-10-18/Sun, 18 Oct 2026 00:00:00 +0000http://www.cybersecurityos.net/posts/os-weekly/os-weekly-2026-10-18/<p>This week&rsquo;s lesson is uncomfortable: the tools you trust most are part of your attack surface. A backup service became a path into Microsoft 365 tenants, a remote support product joined the growing list of exploited edge bugs, and Microsoft shipped a patch load roughly ten times the usual size. Here&rsquo;s what working and aspiring security pros need to know.</p> <h2 id="critical-threats">Critical Threats</h2> <h3 id="connectwise-cloud-backup-incident-reaches-microsoft-365-tenants">ConnectWise Cloud Backup Incident Reaches Microsoft 365 Tenants</h3> <p><img src="https://www.dropbox.com/scl/fi/lzhwrias4dq1ex8nryi0l/Cybersecurity-breach-in-ConnectWise-s-cloud-backup-service..png?rlkey=id75d2cz5i9r1rsqqk0jo8knk&amp;raw=1" alt="Interconnected metallic gears and circuit patterns with floating padlocks, representing a supply-chain compromise through a cloud backup service"></p>