Centralized DLP Manager for Virtual Machine Security
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Solution Overview
Problem
Ensuring every virtual machine in a virtualized environment has an up-to-date data loss prevention agent is inefficient and resource-intensive, as existing methods require agents to be installed on each VM individually.
Innovation Solution
Implementing a Data Loss Protection (DLP) manager running on a security virtual machine that identifies guest VM startups and installs a DLP component before other applications launch, communicating with DLP components to enforce policies and respond to file system events that violate DLP policies.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a DLP agent is installed on each virtual machine individually, then data loss prevention coverage is ensured, but system resource usage increases and deployment complexity increases
Solution Approach 1:
The patent merges multiple DLP agent instances into a single centralized DLP manager running on one virtual machine. This manager coordinates DLP policies across all guest VMs without requiring individual agents on each VM, thereby reducing deployment complexity while maintaining comprehensive coverage through centralized monitoring and control.
Solution Approach 2:
The centralized DLP manager performs multiple functions that would otherwise require separate agents on each VM: policy enforcement, file system event monitoring, removable device monitoring, and network share monitoring. This multi-functional approach simplifies the system architecture while ensuring comprehensive data loss prevention across all VMs.
2Reliability
If a DLP agent is installed on each virtual machine individually, then data loss prevention coverage is ensured, but system resource usage increases
Solution Approach 1:
The patent consolidates resource-intensive DLP operations into a single centralized manager rather than distributing them across multiple VM agents. This reduces total system resource consumption by eliminating redundant processes while maintaining comprehensive monitoring through the manager's ability to observe file system events and device usage across all guest VMs.
Solution Approach 2:
The centralized DLP manager acts as an intermediary that receives notifications from virtualization infrastructure about file system events, removable device connections, and network share access across all VMs. This intermediary approach eliminates the need for resource-intensive local agents on each VM while maintaining comprehensive monitoring through centralized event reception and policy enforcement.
3Reliability
If DLP policies are enforced through individual agents on each VM, then policy compliance is achieved, but installation and maintenance time increases
Solution Approach 1:
The system performs preliminary configuration by establishing the centralized DLP manager before guest VMs are deployed or activated. The manager pre-configures policy enforcement mechanisms and monitoring capabilities, so that when VMs are created or accessed, DLP protection is already in place without requiring time-consuming individual agent installations on each VM.
Solution Approach 2:
The patent combines installation and maintenance operations into a single centralized process. Policy updates, configuration changes, and maintenance tasks are performed once on the DLP manager rather than being propagated individually to agents on each VM, dramatically reducing the time required for installation and ongoing maintenance while ensuring consistent policy compliance across all VMs.
Data Source
AI summary
A data loss prevention (DLP) manager running on a security virtual machine manages DLP policies for a plurality of guest virtual machines. The DLP manager identifies a startup event of a guest virtual machine, and installs a DLP component in the guest virtual machine. The DLP component communicates with the DLP manager operating within the security virtual machine. The DLP manager also receives file system events from the DLP component, and enforces a response rule associated with the guest virtual machine if the file system event violates a DLP policy.