Hypervisor Security and Vulnerabilities

5.

Hypervisor Security Hardening and Mitigation Strategies

5.1.

Secure Configuration and Deployment

5.1.1.

Principle of Least Privilege for Management Access

5.1.1.1.

Role-Based Access Control

5.1.1.2.

Multi-Factor Authentication

5.1.2.

Disabling Unnecessary Services and Features

5.1.2.1.

Service Enumeration and Minimization

5.1.2.2.

Disabling Legacy Protocols

5.1.3.

Hardening the Host Operating System

5.1.3.1.

OS Patch Management

5.1.3.2.

Host Firewall Configuration

5.1.3.3.

Removal of Unneeded Software

5.1.4.

Secure Boot Processes

5.1.4.1.

UEFI Secure Boot

5.1.4.2.

Boot Chain of Trust

5.1.4.3.

Secure Firmware Updates

5.2.

Patch and Vulnerability Management

5.2.1.

Timely Application of Security Patches

5.2.1.1.

Patch Testing and Validation

5.2.1.2.

Patch Rollback Procedures

5.2.2.

Live Migration for Patching without Downtime

5.2.2.1.

Migration Planning

5.2.2.2.

Security Considerations during Migration

5.2.3.

Vulnerability Scanning

5.2.3.1.

Automated Scanning Tools

5.2.3.2.

Manual Vulnerability Assessment

5.3.

Network Security for Virtualized Environments

5.3.1.

Micro-segmentation with Virtual Switches

5.3.1.1.

Network Segmentation Strategies

5.3.1.2.

Policy Enforcement

5.3.2.

Traffic Filtering and Inspection

5.3.2.1.

Virtual Firewalls

5.3.2.2.

Intrusion Detection and Prevention

5.3.3.

Isolation of Management Network Traffic

5.3.3.1.

Dedicated Management Networks

5.3.3.2.

Encryption of Management Traffic

5.4.

Storage Security

5.4.1.

Encryption of VM Disks

5.4.1.1.

Encryption Algorithms and Key Management

5.4.1.2.

Performance Considerations

5.4.2.

Secure Deletion of Virtual Disks

5.4.2.1.

Data Sanitization Techniques

5.4.2.2.

Compliance Requirements

5.4.3.

Storage Network Isolation

5.4.3.1.

5.4.3.2.

Fibre Channel Security

5.4.3.3.

Zoning and LUN Masking

5.4.3.4.

Network Access Controls

5.5.

Logging, Monitoring, and Auditing

5.5.1.

Centralized Logging of Hypervisor and VM Events

5.5.1.1.

Log Aggregation Solutions

5.5.1.2.

Log Retention Policies

5.5.2.

Hypervisor Integrity Monitoring

5.5.2.1.

File Integrity Checking

5.5.2.2.

Baseline Comparison

5.5.3.

Intrusion Detection and Prevention Systems for Virtual Networks

5.5.3.1.

Deployment Models

5.5.3.2.

Alerting and Response Mechanisms

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6. Advanced Hypervisor Security Architectures