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GCP Security & Governance | Google Cloud | Symhas
GCP · VPC Service Controls · Security Command Center · Chronicle · Cloud Armor · Zero-Trust
GCP Has the Security Primitives to Build a Zero-Trust Architecture.
Most Deployments Have VPCs and a Firewall.Google Cloud security is not a single product — it is a set of complementary controls: VPC Service Controls preventing data exfiltration, Security Command Center providing posture management, Chronicle aggregating security signals, Cloud Armor protecting public endpoints, and Binary Authorization preventing untrusted container images from running. Each one matters. Most deployments have none of them configured.Symhas implements the full GCP security stack — VPC Service Controls perimeter around sensitive data, Security Command Center Premium providing threat detection and posture management, Chronicle as the SIEM, Cloud Armor WAF and DDoS protection, and Binary Authorization enforcing supply chain security on GKE.
Zero-TrustVPC Service Controls + IAM Conditions + BeyondCorp = Zero-Trust data access on GCP
0Critical security incidents across all Symhas-managed GCP production environments
100%First-submission compliance audit pass rate on GCP environments Symhas secures
4wkGCP Zero-Trust security — VPC Controls, SCC, Chronicle, Cloud Armor — fixed price
GCP certified architects available nowActive
Zero-TrustVPC Service Controls + IAM Conditions + BeyondCorp — Zero-Trust data access architecture
0Critical security incidents across all Symhas-managed GCP production environments since go-live
100%Compliance audit pass rate on first submission — GCP environments Symhas secures
4wkFull GCP Zero-Trust security stack — fixed price
What We Deliver
Core Capabilities.
Production-Grade on GCP.

Every capability designed, deployed, and documented by Symhas GCP-certified data and AI architects. Fixed price. Production-ready.

VPC Service Controls & Data PerimeterService Controls · Access policies · Perimeter · Data exfiltration prevention · CMEK
VPC Service Controls creates an invisible data perimeter around GCP projects — restricting which identities, networks, and services can access BigQuery, Cloud Storage, Vertex AI, and other data services, preventing data exfiltration even if IAM credentials are compromised.
Access policy design — organisation-level access policy covering all projects in scope
Service perimeter — BigQuery, Cloud Storage, Vertex AI, and Artifact Registry within the perimeter
Access levels — trusted networks and identities permitted to cross the perimeter boundary
Ingress and egress rules — controlled data movement between perimeter and external services
Dry-run mode — audit mode validating perimeter before enforcement, preventing production disruption
Data in BigQuery and Cloud Storage cannot leave the GCP perimeter — even with valid IAM credentials from outside
Security Command Center PremiumThreat detection · CSPM · Vulnerability findings · Attack path · Mute rules
Security Command Center Premium provides cloud security posture management and threat detection across all GCP resources — active threat detectors identifying cryptomining, data exfiltration, and IAM anomalies, combined with asset inventory, vulnerability findings, and attack path simulation.
Threat detection — Event Threat Detection identifying cryptomining, data exfiltration, and IAM abuse
Container Threat Detection — runtime attack detection in GKE pods
Virtual Machine Threat Detection — memory-based malware detection on GCE instances
Security Health Analytics — misconfiguration findings across IAM, network, and data services
Attack path simulation — identifies which vulnerabilities could be exploited to reach sensitive data
Threats detected across all GCP services — cryptomining, data exfiltration, and IAM abuse caught automatically
Google Chronicle SIEMChronicle · Security telemetry · UDM · Detection rules · SOAR · Threat intelligence
Google Chronicle as the SIEM — GCP audit logs, VPC Flow Logs, and application logs ingested into Chronicle at scale with Google Threat Intelligence enrichment, YARA-L detection rules identifying threat patterns, and Chronicle SOAR automating response to high-confidence detections.
Chronicle ingestion — GCP audit logs, VPC Flow Logs, Cloud DNS, and application logs forwarded
Google Threat Intelligence — Chronicle enriched with Google Threat Intelligence IOCs automatically
YARA-L detection rules — curated and custom rules detecting GCP-specific attack patterns
UDM data model — Unified Data Model normalising all log sources for consistent detection
Chronicle SOAR — automated playbooks responding to high-confidence Chronicle detections
GCP security telemetry analysed against Google Threat Intelligence at petabyte scale — threats detected in minutes
Cloud Armor, Binary Authorization & Supply Chain SecurityCloud Armor · WAF · DDoS · Binary Authorization · Artifact Registry · SLSA
Cloud Armor WAF protecting public-facing applications against OWASP Top 10 and DDoS, Binary Authorization enforcing image provenance on GKE, and Artifact Registry with vulnerability scanning blocking container images with critical CVEs from reaching production clusters.
Cloud Armor security policy — OWASP ModSecurity Core Rule Set and custom rules for public endpoints
Adaptive Protection — ML-based DDoS detection and mitigation for Cloud Load Balancing
Binary Authorization — attestation policy requiring signed container images from trusted builders
Artifact Registry vulnerability scanning — critical CVEs blocking image deployment before GKE
SLSA provenance — build attestation from Cloud Build providing supply chain integrity evidence
Public endpoints protected against web attacks and DDoS — only attested, scanned container images reach GKE
Delivery Model
Assessment to Production.
Fixed Price. Fixed Timeline.

Four phases with go/no-go gates. Scope and price agreed before week one.

01
Security Assessment & Architecture DesignWeek 1

GCP security posture assessment — IAM, network, data, and logging gaps. VPC Service Controls perimeter scope designed. SCC Premium finding triage. Chronicle data source inventory. Compliance framework gap analysis. Architecture approved.

02
VPC Service Controls & SCC DeploymentWeek 2

VPC Service Controls perimeter deployed in dry-run mode. Access levels and ingress/egress rules configured. Perimeter validated and enforced. SCC Premium enabled across all projects. Threat detectors activated. Security Health Analytics findings remediated.

03
Chronicle, Cloud Armor & Binary AuthWeek 3

Chronicle workspace configured. GCP log sources onboarded. YARA-L detection rules active. Chronicle SOAR playbooks for top-5 threat scenarios deployed. Cloud Armor security policies applied. Binary Authorization policy enforced on GKE clusters.

04
Compliance Validation & HandoverWeek 4

Compliance framework score validated in SCC Premium. Evidence pack produced. Security team trained on Chronicle investigation and SCC finding triage. Playbooks for critical security response documented. Symhas moves to advisory.

Financial Services · GCP Security$25B AUM Asset Manager.
VPC Service Controls. Chronicle Live. Zero Audit Findings. 4 Weeks.

The asset management firm had GCP projects containing sensitive financial data and Vertex AI model artefacts with no VPC Service Controls perimeter, SCC Standard tier only (no threat detection), no SIEM, and Cloud Armor not configured on the public-facing research portal. An external audit had flagged data exfiltration risk as a critical finding.

Symhas implemented the full GCP Zero-Trust security stack in 4 weeks — VPC Service Controls perimeter around all data projects, SCC Premium with threat detectors active, Chronicle ingesting GCP audit logs with YARA-L rules firing, Cloud Armor WAF on the research portal, and Binary Authorization on the GKE ML serving cluster. Critical audit finding closed.

0Audit findings
PerimeterVPC Service Controls deployed
ChronicleSIEM live with threat detection
4wkAssessment to Zero-Trust
Discuss Your Programme
What was delivered

GCP Zero-Trust Security — Financial Services Production

→VPC Service Controls — perimeter covering BigQuery, Cloud Storage, Vertex AI, and Artifact Registry across 4 projects
→SCC Premium — Event Threat Detection, Container Threat Detection, and VM Threat Detection active
→SCC findings — 127 Security Health Analytics findings remediated over 4 weeks, 23 risk-accepted
→Chronicle — GCP audit logs, VPC Flow Logs, and Cloud Armor logs ingested, 14 YARA-L detection rules active
→Cloud Armor — OWASP ModSecurity CRS and Adaptive Protection on research portal load balancer
→Binary Authorization — attestation policy enforced on GKE cluster, 3 unsigned images blocked in week 2

“We had sensitive financial data in BigQuery with no data perimeter. The auditor called it a critical exfiltration risk. Symhas deployed VPC Service Controls in week 2 and the auditor closed the finding at the next review.”

— CISO, Global Asset Management Firm

GCP Services Deployed
The Specific GCP Services
We Configure for This Capability.
GCP
GCP VPC Service Controls

Data perimeter — service perimeter restricting BigQuery, Cloud Storage, and Vertex AI to authorised identities.

Access policy and perimeter design
Dry-run mode validation
Access level configuration
Ingress and egress rules
GCP
Security Command Center Premium

Cloud security posture management — threat detection, vulnerability findings, and attack path simulation.

Premium tier enablement
Threat detector activation
Security Health Analytics
Attack path simulation
GCP
Google Chronicle

Cloud SIEM — GCP log ingestion, Google Threat Intelligence, YARA-L detection, and SOAR playbooks.

Log source onboarding
YARA-L detection rules
Threat Intelligence enrichment
SOAR playbook automation
GCP
Google Cloud Armor

WAF and DDoS protection — OWASP CRS, Adaptive Protection, and custom rules for Cloud Load Balancing.

Security policy design
OWASP ModSecurity CRS
Adaptive Protection configuration
Custom rule development
GCP
Binary Authorization

Supply chain security — container image attestation enforced on GKE before pod scheduling.

Attestation policy design
Trusted builder configuration
Cloud Build attestor
Unsigned image blocking
GCP
Artifact Registry & Vulnerability Scanning

Container registry with scanning — critical CVE detection blocking image deployment before GKE.

Registry configuration
Vulnerability scanning enablement
Critical CVE blocking policy
SLSA provenance
Why Symhas
GCP Expertise Built from Production Deployments.
VPC Service Controls in Dry-Run Before EnforcementVPC Service Controls enforced without dry-run validation block legitimate traffic and cause production incidents. Symhas deploys VPC Service Controls in dry-run mode, reviews access violation logs for 48 hours, and only enforces after all legitimate access patterns are permitted.
Chronicle Operational, Not Just DeployedChronicle with no detection rules and no SOAR playbooks is log storage. Symhas measures Chronicle success by detections per week and playbook executions — not by workspace provisioning.
Binary Authorization Tested Against the CI/CD PipelineBinary Authorization policy that blocks the CI/CD pipeline requires emergency rollback. Symhas tests Binary Authorization against the full image build and deploy pipeline before enforcement — trusted builders attested before the policy goes live.
SCC Findings Triaged, Not Just CountedSCC Security Health Analytics generates hundreds of findings on a new deployment. Symhas triages every SCC finding against exploitability and business impact — implementing critical and high findings, risk-accepting low-impact findings with documented rationale.
Perimeter Scope Based on Data ClassificationA VPC Service Controls perimeter covering everything adds complexity without proportional risk reduction. Symhas scopes the perimeter based on data classification — sensitive data projects inside, lower-risk projects outside with explicit ingress rules.
Security Team Certified on Chronicle InvestigationBy handover your security team investigates Chronicle detections, triages SCC findings, and manages the VPC Service Controls perimeter independently. Certified before the first live security event.
Also on GCP
Explore the Other GCP Capabilities.
📦GCP Data Platform Architecture

The BigQuery and Cloud Storage data platform protected by VPC Service Controls.

🤖Vertex AI & ML Platform

Vertex AI training data and model artefacts protected within the VPC Service Controls perimeter.

✨Gemini & Generative AI

Gemini RAG pipeline and Vector Search index protected by VPC Service Controls and DLP.

📊Looker Analytics & BI

Looker accessing BigQuery within the VPC Service Controls perimeter via authorised access levels.

Next Step
Tell Us What GCP Security Controls You Have Configured Today.
We Will Tell You What a Zero-Trust GCP Architecture Requires.A 30-minute GCP security assessment with a Symhas cloud security architect. We will review your VPC Service Controls configuration, SCC posture, and Chronicle status — and produce a prioritised security gap report before the engagement begins.
Book a GCP Assessment — 30 minView Client Outcomes
No commitment. No pitch deck. An honest conversation about your data and AI ambitions.