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UTMStack v11 introduces a revolutionary architecture designed for modern cybersecurity operations. The platform offers flexible and scalable deployment models that adapt to organizations of any size, from small businesses to large enterprises and MSPs.
New in v11: The architecture now features a manager-worker model with horizontal scalability, replacing the monolithic design of previous versions.

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Core Architecture Components

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Manager and Worker Nodes

UTMStack v11 uses a distributed architecture with two primary container types:

Manager Node

Central coordination and management
  • Web interface hosting
  • User authentication and authorization
  • Configuration management
  • Alert orchestration
  • API endpoints
  • Database management

Worker Nodes

Distributed data processing
  • Log ingestion and parsing
  • Real-time correlation
  • Threat detection
  • Plugin execution
  • Parallel processing
  • Horizontal scalability

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Key Architectural Features

Replaces Logstash with a custom-built, high-performance log processing engine developed by Threatwinds:
  • Lower resource consumption
  • Faster processing speeds
  • Better memory management
  • Native correlation capabilities
Official plugin architecture for extensibility:
  • Independent feature modules
  • Easy maintenance and updates
  • Community contributions support
  • Hot-swappable components
Add worker nodes to scale processing capacity:
  • Linear performance scaling
  • No single point of failure
  • Load distribution across workers
  • Automatic failover support

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Deployment Models

UTMStack v11 supports multiple deployment models to meet different organizational needs:

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1. Single Node Deployment (Standalone)

Single Node Deployment Best for: Small to medium organizations with up to 500 data sources A single node deployment combines both manager and worker functions on one server, providing:
  • Complete data control and isolation
  • Simplified management
  • Lower infrastructure costs
  • Suitable for on-premises or cloud deployment
  • Full SIEM/XDR capabilities
Characteristics:
  • All-in-one installation
  • Direct log collection from devices
  • Local data storage
  • No external dependencies
  • Enhanced security through data isolation

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2. Multi-Node Deployment (Manager + Workers)

Multi-Node Deployment Best for: Large organizations with 500+ data sources requiring high performance A multi-node deployment separates management from processing:
  • One manager node for coordination
  • Multiple worker nodes for data processing
  • Horizontal scalability
  • High availability options
  • Load distribution
Characteristics:
  • Scalable architecture
  • Add workers as needed
  • Parallel log processing
  • Better resource utilization
  • Handles large data volumes efficiently

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3. Federated Deployment (MSP Model)

Federated Master Deployment Best for: Managed Service Providers (MSPs) managing multiple customers The federated deployment model enables centralized management across multiple UTMStack instances:
  • Separate UTMStack installation per customer
  • Central federation server for unified monitoring
  • Multi-tenant architecture
  • Centralized alerting and reporting
  • Customer data isolation
Characteristics:
  • One instance per customer network
  • Central monitoring dashboard
  • Unified alert management
  • Efficient multi-customer oversight
  • Scalable MSP operations
This model is commonly used by SOC teams for its simplicity and effectiveness in managing multiple client environments.

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4. SaaS Deployment (Fully Managed)

SaaS Deployment Best for: Organizations preferring a fully managed solution The SaaS deployment model provides a turnkey, cloud-hosted solution:
  • Hosted and managed by UTMStack
  • Automatic updates and scaling
  • High availability included
  • Professional support
  • No infrastructure management
Characteristics:
  • Cloud-based deployment
  • Agents or SyslogTLS for log collection
  • Automatic backups
  • 24/7 monitoring
  • Managed updates and maintenance
  • Focus on your business, not infrastructure

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Data Flow Architecture

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Processing Pipeline

  1. Data Collection: Agents, syslog, APIs collect logs from sources
  2. EventProcessor: Parses and normalizes incoming data
  3. Correlation Engine: Real-time correlation before storage
  4. Storage Layer: Elasticsearch for indexed log storage
  5. Alert Engine: Generates alerts based on correlation rules
  6. SOAR: Automated response workflows
  7. Query Engine: Fast search and analysis
  8. Web Interface: User interaction and visualization

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Security Architecture

Encryption in Transit

  • TLS 1.3 for all connections
  • Certificate-based authentication
  • Encrypted agent communication

Access Control

  • Mandatory Multi-Factor Authentication
  • Role-based access control (RBAC)
  • Session management
  • Audit logging

Data Isolation

  • Container isolation
  • Network segmentation
  • Encrypted data at rest
  • Secure credential storage

Service Security

  • Microservices architecture
  • Fail2ban protection
  • Regular security updates
  • Vulnerability scanning

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Scalability Considerations

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When to Scale Horizontally

1

Monitor Performance Metrics

Watch CPU, memory, and disk I/O on your manager node
2

Add Worker Nodes When

  • Processing more than 500 data sources
  • CPU usage consistently above 70%
  • Log ingestion delays occur
  • Real-time correlation lags
3

Scale Gradually

Add worker nodes one at a time and monitor improvement
4

Optimize Distribution

Configure plugin distribution across workers for optimal performance

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High Availability Options

For mission-critical deployments:
  • Database Clustering: Elasticsearch cluster for data redundancy
  • Manager Redundancy: Active-passive manager configuration
  • Worker Pools: Multiple workers ensure continued processing
  • Load Balancing: Distribute user connections across manager nodes
  • Backup Systems: Automated backup and disaster recovery

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Network Architecture

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Required Connectivity

Manager Node:
  ← Data Sources (various ports)
  ← Worker Nodes (internal)
  ← Administrators (443/TCP)
  → Central Server (optional)

Worker Nodes:
  ← Data Sources (various ports)
  → Manager Node (internal)
  → Elasticsearch (internal)

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Security Zones

  • DMZ: Agent collectors and log receivers
  • Internal: Core processing and storage
  • Management: Web interface and administration
  • Isolated: Customer data in federated deployments

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Comparison: v10 vs v11 Architecture

Featurev10v11
Processing EngineLogstashEventProcessor
ScalabilityVertical onlyHorizontal + Vertical
ArchitectureMonolithicDistributed (Manager/Worker)
Plugin SystemIntegratedModular
Resource UsageHigherSignificantly lower
MFAOptionalMandatory
Central ManagementLimitedFull support
Auto UpdatesManualAutomatic (optional)

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Choosing Your Deployment Model

Single Node

Choose if:
  • < 500 data sources
  • Budget-conscious
  • Simple management preferred
  • Single location deployment

Multi-Node

Choose if:
  • 500 data sources
  • High performance required
  • Large data volumes
  • Enterprise scale

Federated

Choose if:
  • MSP or MSSP
  • Multiple customers
  • Centralized monitoring needed
  • SOC operations

SaaS

Choose if:
  • No infrastructure team
  • Prefer managed solution
  • Quick deployment needed
  • Focus on operations not maintenance

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Next Steps

Installation Guide

Install UTMStack v11

System Requirements

Check detailed requirements

Firewall Configuration

Configure network access

SSL Certificate Management

SSL Certificate Management