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Last updated: April 29, 2026
VPC Service Controls = GCP’s data-exfiltration defence. Define a perimeter; data can’t leave it even with valid credentials.
VPC Service Controls = GCP’s data-exfiltration defence. Define a perimeter; data can’t leave it even with valid credentials.
The model
- Perimeter wraps GCP services + projects
- Inside perimeter: free communication
- Outside attempting to access services inside: blocked unless explicit ingress rule
- Inside attempting to send to outside: blocked unless explicit egress rule
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