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Building a Low Code Cloud IAM Auditor for Telecom Network Security

By Vo Tu Duc
Published in Cloud Engineering
March 29, 2026
Building a Low Code Cloud IAM Auditor for Telecom Network Security

With 5G and cloud-native architectures dissolving traditional network perimeters, Identity and Access Management (IAM) is now the ultimate security boundary for the telecom industry. Discover how to overcome the unique challenges of managing dynamic identities and preventing privilege creep in modern, decentralized telco environments.

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The Challenge of Identity Management in Telecom Networks

The telecommunications industry is undergoing a massive paradigm shift. With the rollout of 5G standalone (SA) architectures, Multi-access Edge Computing (MEC), and the transition from proprietary hardware to Cloud-Native Network Functions (CNFs), modern telco environments are increasingly decentralized. In this new cloud-centric reality, the traditional network perimeter has dissolved. Identity and Access Management (IAM) is now the primary security boundary protecting critical infrastructure, subscriber data, and core network services.

However, managing identity in a telecom environment built on platforms like Google Cloud presents a unique set of challenges. Security teams are tasked with securing a highly dynamic ecosystem where thousands of human operators, third-party vendors, and automated systems interact with cloud resources around the clock.

Scaling Infrastructure and Privilege Creep Risks

As telecom infrastructure scales to support millions of connected devices and ultra-low latency applications, the sheer volume of identities explodes. It is no longer just about managing human network engineers; it is about managing thousands of Google Cloud Service Accounts, CI/CD pipelines, orchestration engines, and edge node identities.

This rapid scaling inevitably introduces one of the most pervasive threats in cloud engineering: privilege creep.

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In the fast-paced world of telecom operations, network uptime is the ultimate metric. When a critical network function degrades or a cell site goes offline, engineers need immediate access to troubleshoot and resolve the issue. Often, to bypass bureaucratic delays, administrators will grant broad, overly permissive roles—such as roles/editor or even roles/owner at the Google Cloud Project or Folder level—to quickly restore service.

While the intention is operational efficiency, the reality is that these elevated permissions are rarely revoked once the incident is resolved. Over time, human users and machine identities accumulate a toxic combination of permissions they no longer need. Furthermore, service accounts used by third-party vendor applications are frequently over-provisioned from day one to ensure “smooth deployment.”

In a telecom network, privilege creep creates a massive, hidden attack surface. A compromised service account with lingering, overly broad permissions could allow a bad actor to traverse the Google Cloud resource hierarchy, access sensitive subscriber Personally Identifiable Information (PII) stored in BigQuery, or maliciously alter the configurations of virtualized network functions, potentially triggering widespread outages. Maintaining the Principle of Least Privilege (PoLP) becomes a constant, uphill battle against operational velocity.

Why Traditional Auditing Fails at Scale

Historically, telecom organizations have relied on manual auditing processes to maintain security and regulatory compliance. This typically involves security analysts periodically exporting IAM policies into massive spreadsheets, cross-referencing them against HR databases, and emailing department heads to verify if specific engineers still require their current access levels.

In a modern, cloud-native telecom network, this traditional approach is fundamentally broken for several reasons:

  • Snapshot-in-Time Visibility: Cloud environments are ephemeral. Virtual machines spin up and down, and IAM bindings change by the minute via infrastructure-as-code (IaC) deployments. A manual audit provides a static snapshot that is obsolete the moment it is generated. A quarterly compliance review leaves an 89-day window where unauthorized access can go completely undetected.

  • Hierarchical Complexity: Google Cloud IAM operates on a complex resource hierarchy (Organization > Folders > Projects > Resources) with inherited permissions and conditional role bindings. Traditional auditing tools and manual spreadsheet reviews cannot effectively calculate the “net effective permissions” of an identity. An auditor might look at a Project-level policy and assume an identity has limited access, completely missing the fact that the identity inherits roles/compute.networkAdmin from a parent Folder.

  • Alert Fatigue and Human Error: The sheer volume of JSON-formatted IAM policies generated by a telecom’s cloud footprint is beyond human processing capacity. Manually parsing through thousands of role bindings guarantees human error, leading to false positives that exhaust security teams and false negatives that leave the network vulnerable.

To secure the next generation of telecom networks, relying on manual, point-in-time audits is no longer viable. The scale and complexity of cloud IAM demand a shift toward continuous, automated, and intelligent auditing mechanisms that can evaluate permissions in real-time without slowing down network operations.

Architecting a Forensic Low Code IAM Auditor

In the high-stakes environment of telecommunications, where a single misconfigured permission can expose sensitive subscriber data or compromise critical OSS/BSS (Operations and Business Support Systems) networks, traditional manual IAM audits are no longer sufficient. To achieve continuous compliance and rapid threat mitigation, we need an architecture that is both deeply forensic and highly agile. By leveraging a low-code approach on Google Cloud, we can build a robust IAM auditor that minimizes development overhead while maximizing native integrations, scalability, and security.

Core Components and Tech Stack Overview

To build a forensic-grade, low-code IAM auditor, we must strategically combine Google Cloud’s native security, data, and orchestration services with Automatically create new folders in Google Drive, generate templates in new folders, fill out text automatically in new files, and save info in Google Sheets’s identity management. The goal is to create an immutable paper trail of access changes while providing a seamless, low-code interface for security analysts.

Here is the blueprint of our tech stack:

  • Identity & Context Source (AC2F Streamline Your Google Drive Workflow & Cloud Identity): The foundation of our auditor. We utilize the Automated Client Onboarding with Google Forms and Google Drive. Directory API to pull rich user context—such as department, manager, and telecom clearance level—ensuring that every IAM change is evaluated against the user’s actual organizational role.

  • Event Ingestion (Cloud Audit Logs & Eventarc): Google Cloud Audit Logs automatically capture all Admin Activity and Data Access events. We use Eventarc to listen for specific IAM mutations (e.g., SetIamPolicy or CreateServiceAccountKey) in real-time, completely eliminating the need for custom polling scripts.

  • Low-Code Orchestration (Google Cloud Application Integration / Workflows): Instead of writing thousands of lines of JSON-to-Video Automated Rendering Engine or Go to manage API calls, we use Application Integration (or Cloud Workflows). This visual, low-code orchestration layer catches events from Eventarc, queries the Workspace API for context, and routes the data to our forensic vault.

  • Forensic Data Vault (BigQuery): BigQuery serves as our immutable, append-only forensic ledger. By streaming enriched IAM events into BigQuery, telecom security teams can perform complex SQL-based forensic analysis, track historical permission drift, and meet stringent regulatory retention requirements (like GDPR or local telecom acts).

  • Auditor Interface & Remediation (AI-Powered Invoice Processor & Looker Studio): This is where the “low code” philosophy truly shines. Looker Studio connects directly to BigQuery to provide real-time dashboards of IAM anomalies. Meanwhile, AMA Patient Referral and Anesthesia Management System is used to generate a functional mobile and web app for security personnel. Through the AppSheetway Connect Suite interface, auditors can review flagged IAM changes, approve legitimate access, or trigger one-click remediations (like revoking a role) without touching the Google Cloud Console.

Designing the Automated Audit Workflow

With the components selected, the next step is wiring them together into a cohesive, automated workflow that operates in near real-time. The architecture follows a strict pipeline: Capture, Enrich, Store, and Act.

1. Real-Time Event Capture

The workflow begins the millisecond an IAM change occurs within the telecom’s Google Cloud organization. For example, if an engineer is granted the roles/compute.networkAdmin role, Cloud Audit Logs records the event. Eventarc instantly detects this high-privilege mutation and triggers our low-code orchestration pipeline.

2. Contextual Enrichment via Orchestration

Once triggered, Google Cloud Workflows takes over. A raw IAM log tells you who made the change and what was changed, but it lacks business context. The workflow automatically executes a connector to the Automated Discount Code Management System Directory API to ask:

  • Who is the user receiving this role?

  • Are they an active member of the Network Engineering group?

  • Is the person who granted the role authorized to do so?

This enrichment transforms a raw log into a comprehensive forensic artifact.

3. Immutable Storage and Anomaly Detection

The workflow then streams this enriched JSON payload directly into BigQuery. At this stage, BigQuery isn’t just a storage bucket; it acts as an active analytical engine. Scheduled queries run continuously against the incoming data, looking for anomalies—such as a customer support representative being granted database admin rights, or an IAM change occurring outside of approved telecom maintenance windows.

4. Low-Code Alerting and Remediation

If BigQuery detects an anomaly, the workflow pushes a notification to the OSD App Clinical Trial Management auditor application and alerts the security team via Google Chat or Pub/Sub. An on-call telecom security analyst receives a push notification on their phone. Opening the AppSheet app, they see the full forensic context of the IAM change.

If the analyst determines the access is unauthorized, they simply tap a “Revoke Access” button in the AppSheet UI. This action triggers a webhook back to Google Cloud Workflows, which executes a native API call to strip the unauthorized IAM binding—closing the loop from detection to remediation entirely through low-code Automated Job Creation in Jobber from Gmail.

Extracting IAM Policies with GCP Cloud Identity

In a telecom environment, the network perimeter has dissolved, making Identity and Access Management (IAM) the primary security boundary. Whether managing access to 5G core telemetry data or billing databases, maintaining a continuous audit trail of who has access to what is a regulatory necessity. To build our low-code IAM auditor, the foundational step is extracting the current state of access configurations directly from Google Cloud.

Google Cloud Identity and GCP IAM work in tandem here. While GCP IAM defines the roles and permissions attached to resources, Cloud Identity manages the users, service accounts, and groups that assume those roles. Extracting this data accurately requires navigating GCP’s resource hierarchy—Organizations, Folders, and Projects—and resolving the identities attached to them.

Leveraging the GCP SDK for Access Data

While our ultimate goal is a low-code auditing interface, the heavy lifting of data extraction is best handled by a lightweight, serverless backend (such as Cloud Functions or Cloud Run) utilizing the Google Cloud SDK. The SDK provides robust, authenticated methods to interact with the Cloud Resource Manager and Cloud Identity APIs.

To gather a comprehensive access map, your extraction logic must perform two primary tasks:

  1. Traverse the Resource Hierarchy: Use the google-cloud-resourcemanager library to list all active projects within your telecom organization’s folders.

  2. Fetch the IAM Policies: For each project, folder, or organization node, invoke the get_iam_policy method.

Here is an example of how you can leverage the Python SDK to retrieve the IAM policy for a specific project:


from google.cloud import resourcemanager_v3

def get_project_iam_policy(project_id: str):

client = resourcemanager_v3.ProjectsClient()

request = resourcemanager_v3.GetIamPolicyRequest(

resource=f"projects/{project_id}"

)

policy = client.get_iam_policy(request=request)

return policy

Beyond just fetching the project policies, a true enterprise auditor must resolve group memberships. A common blind spot in telecom security audits is nested group privileges. By integrating the Cloud Identity API (google-api-python-client), your extraction function can take any member listed as group:[email protected] in the IAM policy and recursively list its individual users. This ensures your low-code dashboard displays the effective permissions of human users, not just opaque group emails.

Structuring the Extracted Policy Payloads

The raw response from the get_iam_policy API is highly nested. It returns an ETag for concurrency control and a list of bindings. Each binding maps a single role to an array of members, and optionally includes Common Expression Language (CEL) conditions.

While this structure is efficient for the IAM evaluation engine, it is notoriously difficult for low-code platforms (like AppSheet, Retool, or Looker Studio) to parse natively. Low-code tools and reporting dashboards thrive on flat, tabular data. Therefore, your extraction layer must transform and flatten the payload before passing it downstream.

Raw GCP IAM Binding Example:


{

"bindings": [

{

"role": "roles/compute.networkAdmin",

"members": [

"user:[email protected]",

"group:[email protected]"

],

"condition": {

"title": "Temporary Access",

"expression": "request.time < timestamp('2024-01-01T00:00:00Z')"

}

}

]

}

To make this data digestible for your low-code auditor, you should iterate through the bindings and unnest the members array. The goal is to create a structured payload where every row represents a single, unique relationship between an identity, a role, and a resource.

Transformed, Low-Code Ready Payload:


[

{

"resource_type": "Project",

"resource_id": "prj-telecom-core-prod",

"identity_type": "user",

"identity_email": "[email protected]",

"role": "roles/compute.networkAdmin",

"has_condition": true,

"condition_title": "Temporary Access"

},

{

"resource_type": "Project",

"resource_id": "prj-telecom-core-prod",

"identity_type": "group",

"identity_email": "[email protected]",

"role": "roles/compute.networkAdmin",

"has_condition": true,

"condition_title": "Temporary Access"

}

]

By structuring the extracted payloads into this flattened, relational format, you seamlessly bridge the gap between complex Cloud Engineering APIs and the intuitive, drag-and-drop data models of low-code platforms. This structured JSON can be pushed directly into BigQuery or Cloud SQL, serving as the perfect, queryable backend for your telecom security auditor.

Centralizing Audit Logs in Google Sheets

In the high-stakes environment of telecom network security, visibility is everything. Tracking exactly who has access to what across a sprawling Google Cloud infrastructure can quickly become a logistical nightmare. While enterprise SIEMs and native logging tools are powerful, they often lack the accessible, low-code flexibility required for rapid, ad-hoc IAM audits by non-engineering compliance teams. This is where Automated Email Journey with Google Sheets and Google Analytics, specifically Google Sheets, becomes an unexpected powerhouse.

By leveraging Sheets as our centralized audit repository, we transform raw, complex IAM JSON policies into a human-readable, easily auditable format. It acts as a lightweight, highly collaborative database that bridges the gap between the Cloud Engineers managing the telecom infrastructure and the security officers who need clear, tabular data to verify regulatory adherence.

Automating Data Entry with SheetsApp

Manual data entry is the enemy of effective security—it is slow, inherently error-prone, and outdated the moment it is typed. To build a reliable low-code auditor, we must completely automate the ingestion of Google Cloud IAM data. We achieve this by utilizing AI Powered Cover Letter Automation Engine, specifically leveraging the SpreadsheetApp class (the core engine behind our SheetsApp automation logic), to programmatically pull IAM policies directly into our workbook.

From a technical execution standpoint, the workflow is elegant and serverless. We configure an Apps Script function to authenticate via a securely stored Service Account credential. This script queries the Google Cloud Resource Manager API to retrieve the current IAM policies and bindings for our critical telecom projects. Once the JSON payload is retrieved, the script parses the data—extracting the members (users, groups, service accounts), their assigned roles, and any conditional IAM tags.

Using the SheetsApp automation, the script then clears the stale data and dynamically appends the fresh IAM bindings into our raw data sheet. By attaching this script to a time-driven trigger, we can schedule the sync to run nightly or even hourly. This automated pipeline guarantees that telecom security teams are always analyzing the exact current state of network access, completely eliminating the need for complex, heavy-duty ETL pipelines.

Establishing a Dynamic Access Control Matrix

Simply dumping raw IAM bindings into a spreadsheet is only half the battle; the true value of this low-code auditor lies in how we structure and interrogate that data. By organizing our automated logs, we can establish a Dynamic Access Control Matrix—a living, breathing dashboard that maps every identity to its specific permissions across the telecom network.

We construct this matrix by utilizing built-in Google Sheets functions like QUERY, FILTER, and ARRAYFORMULA to pivot the raw log data. In this matrix, rows represent specific identities (e.g., [email protected] or a third-party vendor group), columns represent critical GCP resources or projects (such as Cloud SQL instances housing subscriber data or Compute Engine nodes running core network functions), and the intersecting cells display the specific IAM roles granted.

To make this matrix instantly actionable for auditors, we layer on advanced conditional formatting. We can configure rules to automatically highlight high-risk anomalies in stark red—such as a temporary contractor retaining roles/editor access, or a service account violating the principle of least privilege by holding roles/owner on a production billing node. This dynamic matrix transforms a static spreadsheet into an automated threat-hunting tool, instantly flagging compliance violations and allowing telecom security teams to remediate unauthorized access before it can be exploited.

Identifying Privilege Creep with Building Self Correcting Agentic Workflows with Vertex AI

In the fast-paced environment of telecom network operations, engineers frequently transition between projects—moving from 5G core deployments to edge computing maintenance or billing system upgrades. Often, their new access rights are granted, but their old permissions are never revoked. This phenomenon, known as privilege creep, creates a massive blast radius if an account is compromised. In a telecom context, an over-privileged account could inadvertently expose sensitive customer data or allow unauthorized modifications to critical routing infrastructure.

Traditional static rules and manual IAM audits are notoriously ineffective at catching privilege creep at scale. They generate too much noise and require constant tuning. This is where Vertex AI transforms our low-code auditor from a simple reporting tool into an intelligent security engine. By routing our Cloud IAM policy exports and Cloud Audit Logs into BigQuery, we can leverage Vertex AI’s machine learning capabilities—without writing complex data pipelines—to establish behavioral baselines and automatically detect when an identity’s access rights have outgrown its actual operational needs.

Integrating Gemini for Forensic Analysis

When a potential IAM violation occurs, security teams usually face the grueling task of parsing through thousands of lines of JSON in Cloud Audit Logs to understand the context. By integrating Gemini via the Vertex AI API into our low-code architecture, we can completely automate this forensic analysis phase.

Using Google Cloud Application Integration or Workflows, we can configure a low-code trigger that activates whenever a high-risk IAM change is detected (e.g., a user being granted roles/owner or roles/compute.networkAdmin in a production environment). The workflow gathers the user’s recent API activity and IAM bindings, and passes this payload directly to Gemini with a structured prompt.

Because Gemini excels at reasoning over large, complex datasets, it can instantly translate cryptic log entries into human-readable forensic summaries. For example, you can configure your low-code workflow to ask Gemini:

“Analyze the attached Cloud Audit Logs for the user ‘[email protected]’ over the last 72 hours. Identify any destructive actions taken on the VPC network, correlate them with their recently granted IAM roles, and summarize the potential security impact.”

Gemini processes the raw log data and returns a concise, actionable narrative. Instead of spending hours writing queries to reconstruct a timeline, your security analysts are immediately presented with the who, what, when, and why of the event, drastically reducing the Mean Time To Investigate (MTTI).

Flagging Anomalies and Overprovisioned Roles

Identifying an anomaly requires comparing what an identity can do against what it actually does. While Google Cloud’s native IAM Recommender is excellent for basic right-sizing, telecom environments often require custom logic to account for break-glass accounts or seasonal maintenance windows.

Using Vertex AI, our low-code auditor cross-references historical API usage with current role bindings to flag highly specific anomalies. For instance, if a network engineer holds the roles/vpcaccess.admin role but hasn’t interacted with the Serverless VPC Access APIs in 90 days, the system flags this as an overprovisioned role.

To keep this process low-code and highly actionable, the insights generated by Vertex AI are pushed directly into a centralized dashboard—such as a connected Google Sheet or an AppSheet application. The system categorizes these flags into actionable tiers:

  • High Severity Anomalies: Unused administrative roles in core network projects, or sudden spikes in GetIamPolicy or SetIamPolicy calls by non-security personnel.

  • Overprovisioned Roles: Broad primitive roles (like Editor) assigned where predefined or custom least-privilege roles (like roles/monitoring.viewer) would suffice based on the user’s 30-day activity.

  • Dormant Service Accounts: Machine identities created for legacy telecom workloads that retain broad access but show zero execution history.

Once flagged, the low-code auditor can automatically trigger a Automated Google Slides Generation with Text Replacement integration, sending an interactive Google Chat card or an automated email to the resource owner. This card details the overprovisioned role, provides Gemini’s forensic justification, and offers a one-click button to revoke the excessive permissions, seamlessly enforcing the principle of least privilege across the telecom network.

Next Steps for Securing Your Cloud Environment

Now that you have established a foundational low-code Building a Low Code Cloud IAM Auditor with Google Sheets and Vertex AI, your telecom organization has gained critical visibility into who has access to what. However, in the high-stakes world of telecommunications—where core network infrastructure, 5G deployments, and sensitive subscriber data are prime targets—visibility is only half the battle. The true value of a robust security posture lies in how swiftly you can respond to threats and how effectively your architecture can grow alongside your organization. To fully harden your Google Cloud and Automated Order Processing Wordpress to Gmail to Google Sheets to Jobber environments, it is time to transition from passive auditing to active defense and enterprise-scale operations.

Automating Remediation Workflows

Identifying an over-privileged service account or an unauthorized external guest in your Automated Payment Transaction Ledger with Google Sheets and PayPal is a vital first step, but relying on manual intervention to revoke those permissions leaves a dangerous window of opportunity for attackers. The next logical evolution of your low-code IAM auditor is automating remediation workflows to instantly neutralize policy violations.

By leveraging Google Cloud’s event-driven architecture, you can transform your auditor from a simple reporting dashboard into a self-healing security mechanism. For instance, you can route IAM audit logs from Cloud Logging through Pub/Sub to trigger a Cloud Function or a Cloud Run service the moment an anomaly is detected. If an engineer is accidentally granted the roles/owner primitive role outside of an approved change management window, an automated Eventarc workflow can instantly strip that IAM binding, log the incident to BigQuery, and alert your Security Operations Center (SOC) via Google Chat or a third-party ticketing system.

In the Google Docs to Web domain, you can utilize Genesis Engine AI Powered Content to Video Production Pipeline alongside the Admin SDK Directory API to enforce immediate compliance. When your low-code auditor flags a compromised identity, a suspicious OAuth scope grant, or a violation of context-aware access policies, automated scripts can immediately suspend the user, force a session termination, or revoke third-party application access. For telecom networks, where lateral movement can compromise critical routing infrastructure, this sub-second automated remediation is an absolute operational necessity.

Expert Consultation and Architecture Scaling

While low-code platforms like AppSheet or Apps Script are phenomenal for rapid prototyping and handling departmental-level auditing, telecom environments are inherently massive and complex. As your infrastructure expands across multiple geographic regions, hybrid-cloud setups, and thousands of interconnected microservices, your IAM auditing architecture must scale accordingly to handle millions of events per second.

Scaling requires transitioning from lightweight low-code components to enterprise-grade Google Cloud security services. This means integrating your custom auditor logic with Security Command Center (SCC) Premium, implementing BeyondCorp Enterprise for Zero Trust access controls, and utilizing Policy Intelligence tools like the IAM Recommender to enforce the principle of least privilege at scale. As data volume grows, you will likely need to migrate your low-code backend data processing entirely to BigQuery, utilizing its built-in machine learning capabilities (BigQuery ML) for advanced threat hunting and predictive anomaly detection.

Navigating this architectural transition often necessitates expert consultation. Engaging with specialized Cloud Engineering professionals or Google Cloud Security Partners ensures that your scaled architecture aligns with strict telecom regulatory frameworks and compliance mandates (such as GDPR, CCPA, or regional telecommunications standards). Security experts can conduct comprehensive threat modeling, perform penetration testing on your newly automated remediation workflows, and design a resilient, multi-tenant architecture that strictly isolates core network operations from standard IT environments. By combining your internal low-code innovations with seasoned cloud engineering expertise, you can build an impenetrable, future-proof IAM framework.


Tags

Telecom SecurityCloud IAMLow Code5G NetworksIdentity ManagementNetwork SecurityCloud-Native

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Vo Tu Duc

Vo Tu Duc

A Google Developer Expert, Google Cloud Innovator

Stop Doing Manual Work. Scale with AI.

Hi, I'm Vo Tu Duc (Danny), a recognised Google Developer Expert (GDE). I architect custom AI agents and Google Workspace solutions that help businesses eliminate chaos and save thousands of hours.

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Table Of Contents

1
The Challenge of Identity Management in Telecom Networks
2
Architecting a Forensic Low Code IAM Auditor
3
Extracting IAM Policies with GCP Cloud Identity
4
Centralizing Audit Logs in Google Sheets
5
Identifying Privilege Creep with Building Self Correcting Agentic Workflows with Vertex AI
6
Next Steps for Securing Your Cloud Environment

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