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Kaarthikeyan Subramanian
Senior Product Manager for the Azure Kubernetes Service
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Enhancing Your Operating System's Security with OS Security Patches in AKS

· 6 min read
Kaarthikeyan Subramanian
Senior Product Manager for the Azure Kubernetes Service

Traditional patching and the need for Managed patching

Operating System (OS) security patches are critical for safeguarding systems against vulnerabilities that malicious actors could exploit. These patches help ensure your system remains protected against emerging threats. Traditionally, customers have relied on nightly updates, such as unattended upgrades in Ubuntu or Automatic Guest OS Patching at the virtual machine (VM) level. However, when kernel security packages were updated, a host machine reboot was often required, typically managed using tools like kured.