Enterprise Interest in Zero Trust is Growing Ransomware and breaches are top of the news cycle and a major concern for organizations big and small. So, many are now looking at the Zero Trust architecture and its primary principle "never trust, always verify" to provide greater protection.
According to Report Linker, the Zero Trust security market is projected to grow from USD 15.6 billion in 2019 to USD 38.6 billion by 2024 and that sounds right based on the large number of companies pitching their Zero Trust wares at RSA 2020.
The enterprise was well represented at the conference and there was a tremendous amount of interest in Zero Trust. Interestingly, even though Zero Trust environments are often made up of several solutions from multiple vendors it hasn't prevented each of the vendors from evangelizing their flavors of Zero Trust. This left the thousands of attendees to attempt to cut through the Zero Trust buzz and noise and make their own conclusions to the best approach.
https://blogs.oracle.com/cloudsecurity/post/rsa-2020-recap-cloud-security-moves-to-the-front

https://docs.oracle.com/en-us/iaas/logging-analytics/doc/manage-storage.html#:~:text=The%20minimum%20Active%20Storage%20Duration,be%20archived%20is%2030%20days.
The minimum Active Storage Duration (Days) for logs before they can be archived is 30 days.

Boot Volumes
When you launch a virtual machine (VM) or bare metal instance based on a platform image or custom image, a new boot volume for the instance is created in the same compartment. That boot volume is associated with that instance until you terminate the instance. When you terminate the instance, you can preserve the boot volume and its data
https://docs.oracle.com/en-us/iaas/Content/Block/Concepts/bootvolumes.htm

How Budgets Work
Budgets are set on cost-tracking tags or on compartments (including the root compartment) to track all spending in that cost-tracking tag or for that compartment and its children.
https://docs.oracle.com/en-us/iaas/Content/Billing/Concepts/budgetsoverview.htm