Detection of non-volatile changes to a resource
Policies are communicated to a kernel service of an Operating System (OS) that define resource identifiers and events. When an event is received (from the kernel service) for a resource, the event is noted. Subsequent events received (from the kernel service) are: tracked, evaluated, and a determination is made whether a near real-time or real-time notification is to be sent.
1. A method, comprising:
configuring, by a resource change manager executing on one or more processors, a kernel service for identifying resources, wherein configuring further includes configuring the kernel service for an Operating System (OS) associated with the one or more processors;
receiving, by the resource change manager, events for just non-memory persistent kernel activity associated with the resources from the kernel service, and wherein receiving further includes identifying each event as being associated with at least two resources that include an acting resource that initiates activity on a second resource and the second resource being acted upon by the acting resource; and
determining, by the resource change manager, whether to report event information relevant to one or more of the resources and based on the events; and wherein determining further includes evaluating, in real time, policy conditions to determine whether to report, and at least one policy condition identifying whether a particular event is relevant to security permissions being changed for a particular resource for improving security response times, and removing from the report event information, before any reporting, OS event information identified as OS noise for improving quality of the report event information.
2. The method of claim 1 , wherein configuring further includes receiving user-defined definitions from a user that define how to identify the resources.
3. The method of claim 2 , wherein receiving further includes obtaining at least some definitions as expressions that are dynamically evaluated by the kernel service.
4. The method of claim 1 , wherein receiving further includes receiving the events during an evaluation period.
5. The method of claim 4 , wherein receiving further includes receiving each of the events for non-volatile or non-memory changes made on the resource.
6. The method of claim 1 , wherein determining further includes evaluating at least one policy condition as a pattern of activity on the particular resource during an evaluation period.
7. The method of claim 1 , wherein determining further includes logging, in real time, the events based on resource identifiers for the resources.
8. The method of claim 1 , wherein determining further includes raising, in real time, different events to report, the different events monitored by other services.
9. The method of claim 1 , wherein determining further includes filtering out noise activity occurring on the particular resource from the events.
10. The method of claim 1 , wherein determining further includes aggregating the events for the particular resource at the conclusion of an evaluation period.
11. A method, comprising:
organizing, by an event manager executing on one or more processors, events based on event information included with each event, the events received in real time from a kernel service based on actions occurring on resources, wherein organizing further includes executing the event manager within a kernel of an Operating System (OS) associated with the one or more processors, and wherein organizing further includes identifying each event as being associated with at least two resources that include an acting resource that initiates activity on a second resource and the second resource being acted upon by the acting resource;
evaluating, by the event manager, the events for just non-memory persistent kernel events that are based on patterns in the actions, and wherein evaluating further includes evaluating, in real time, policy conditions and at least one policy condition identifying whether a particular event is relevant to security permissions being changed for a particular resource for improving security response times; and
reporting, by the event manager, relevant event information based on the evaluation, and removing from the event information, before any reporting, OS event information identified as OS noise for improving quality of the event information.
12. The method of claim 11 , wherein organizing further includes dynamically populating a cache with base line versions of the resources when each resource is first identified in the event information.
13. The method of claim 11 , wherein organizing further includes consolidating the events at a conclusion of an evaluation period.
14. The method of claim 11 , wherein organizing further includes capturing the events as non-volatile changes to the particular resource.
15. The method of claim 11 , wherein evaluating further includes dynamically evaluating user-defined policy conditions in view of each received event.
16. The method of claim 11 , wherein reporting further includes raising a different event associated with at least one resource based on the evaluation, the different event handled by a service.
17. The method of claim 11 , wherein reporting further includes sending a real-time notification to an administrative service based on the evaluation.
18. A system, comprising:
one or more hardware processors configured to execute and provide a processing environment; and
a real-time resource monitor adapted and configured to: i) execute on the one or more hardware processors of the processing environment, ii) categorize real time events generated by resources and received from a kernel service of an operating system (OS) for the processing environment, and identify each event as being associated with at least two resources that include an acting resource that initiates activity on a second resource and the second resource being acted upon by the acting resource, iii) evaluate each event just non-memory persistent kernel activity associated with the at least two resources, in real time, at a conclusion of an evaluation period, by evaluating policy conditions and at least one policy condition identifying whether a particular event is relevant to security permissions being changed for a particular resource for improving security response times and iv) determine, in real time, whether to raise an administrative event based on the evaluation and remove from the administrative event OS event information associated with the administrative event before any raising of the administrative event, the OS event information identified as OS noise for improving quality of the administrative event.
19. The system of claim 18 , wherein the real-time resource monitor is further operable to v) filter noise events out for the evaluation.