The provided content outlines critical security measures and best practices for securing VMware vSphere environments against advanced threats. Here's a summary of the key points:
Security Measures
1. Implementing Multi-Factor Authentication (MFA)
- Control: Real-time alert on SSO account actions.
- Purpose: Prevents compromised Active Directory credentials from granting full access to vCenter.
2. Least Privilege Principle
- Control: Verify user roles and limit membership in specific groups like "BashShellAdministrators."
- Purpose: Reduces the risk of privilege escalation by ensuring that only necessary permissions are granted, even for administrative accounts.
3. Disabling Unnecessary Services
- Control: Disable SSH enablement.
- Purpose: Prevents attackers from enabling SSH via VAMI (Port 5480) to deploy backdoors or gain unauthorized access.
Data Exfiltration Prevention
1. Transitioning Access Control Models
- From Permissive Model: Standard vSphere configurations often allow high-risk permissions like VM cloning and exporting within generalized administrative roles.
- To Cryptographic Enforcement Policy: Implement a comprehensive policy that enforces strict cryptographic controls to prevent
Read the full article at Threat Intelligence
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