

Security Onion and VictoriaMetrics are competitors in the realms of network security and data performance, respectively. Security Onion holds an advantage in comprehensive security monitoring and open-source log management, while VictoriaMetrics surpasses in data handling efficiency and high-speed querying.
Features: Security Onion integrates Suricata, Zeek, and Elastic Hunt for incident investigation and network monitoring, providing users with centralized log management and multiple security tools in one platform. VictoriaMetrics offers fast query performance, efficient resource usage, and seamless integration with Prometheus, facilitating expansive data set handling and supporting high-speed querying.
Room for Improvement: Security Onion requires enhancements in ease of use with a more intuitive interface and better integration with other tools. Improved documentation and clearer error messages could benefit new users. VictoriaMetrics should focus on better documentation and integration with more enterprise tools, including a more user-friendly UI for novices.
Ease of Deployment and Customer Service: Security Onion offers versatile deployment across public/private cloud environments and on-premises, with strong community-backed support. Conversely, VictoriaMetrics also supports cloud deployment but needs improved documentation for smoother processes. Customer service satisfaction varies, indicating room for further improvements.
Pricing and ROI: Security Onion is open-source, providing robust security without licensing costs, leading to cost savings through enhanced threat detection. VictoriaMetrics has a cost-effective open-source version but is seen as expensive at the enterprise level. It stands out for resource efficiency, offering lower infrastructure costs and appealing to users needing high scalability.
With this kind of tool, students can save money by using open-source software while gaining experience in working with different logs and detection systems, leading to time savings during their studies.
We could save some cost while integrating Security Onion in our organization to help us manage some simplified threat detection alerts.
I have seen a return on investment with VictoriaMetrics, saving 40% in storage costs compared to Prometheus, reducing query latency by 60%, and cutting maintenance time by half.
time was saved due to simplicity and a shorter learning curve compared to other tools.
Because VictoriaMetrics runs more efficiently and much faster, debugging an issue or understanding system performance is much easier.
I rate the customer support nine out of ten.
I can give it nine to 9.5 or 10 points for support.
I have participated in some community resources, and it is pretty good because it has a large community that has been around for years, which helps.
We reached out once or twice for minor issues during the initial setup and integration, and they were helpful in resolving the issues.
VictoriaMetrics customer support is exceptional.
We use the open-source version of VictoriaMetrics, so we did not require any customer support.
I would say it's scalable based on your license, the cost of implementation, and your own architecture as well.
It handles large volumes of time series data efficiently, using less memory and disk compared to Prometheus or Thanos.
We deploy and embed it in our Helm chart and it works out of the box.
VictoriaMetrics has handled increases in data and users smoothly so far.
Security Onion is reliable and is a good product, having no glitches or latency problems.
Security Onion is pretty stable, with the only significant issue being that I had to increase the storage.
In terms of accuracy and reliability, VictoriaMetrics's output is pretty sufficient and works very well in a native Kubernetes setup, which I appreciate.
The components are simple, restarts are fast, and stateless parts can be replaced without data loss.
Regarding stability, I would rate it a ten out of ten.
The biggest challenges I have experienced with Security Onion are the learning curve and resource requirements, as it is not necessarily something you can install and immediately understand without networking and Linux knowledge.
A specific guideline for helping beginners understand the detection and investigation features of Security Onion would be beneficial.
Security Onion could be improved by making the user interface more intuitive for new users and simplifying the initial setup and configuration process.
For our use cases, it is a really good offering, and while we would be interested to see what else it brings in the future, at this point in time it checks all our boxes and we are quite satisfied with it.
VictoriaMetrics is quite a good project and quite easy to use overall.
I compared it with my experience on other time series databases, and it has a huge advantage, so I do not see the need for urgent improvements or optimizations.
I do not have a license for Security Onion since I have the free version, meaning it does not cost me anything.
The enterprise version should be reasonably priced, not so expensive.
I installed Security Onion as a free tool and did not utilize the licensed version.
We did not require any license for VictoriaMetrics since we are using the open-source version.
I used the free open-source version, and it was sufficient for my needs.
My experience with pricing, setup cost, and licensing for VictoriaMetrics is positive since it is open-source under Apache 2.0, so there is no licensing cost.
One of the best features that Security Onion offers is that it is open source, free to install in a lab environment, and allows for monitoring network traffic and investigating potential attacks while integrating other tools such as Suricata, Zeek, and Elastic-based components that are useful for diving into the logs, along with its threat detection capabilities to see network activity, including port scans, unusual connections, and potential intrusion attempts.
Tools such as Suricata and Zeek help identify suspicious network activity and provide detailed information for investigating and analyzing the potential threat which is coming to any organization.
What I appreciate most about Security Onion is that it combines multiple security monitoring tools into one platform.
The best aspect of using VictoriaMetrics is the reduction in resources including RAM, memory, disk, and other infrastructure requirements, which have all decreased substantially after implementation.
In my experience, the best features VictoriaMetrics offers include that VM agent does its work very efficiently and does not use a lot of resources.
Its compact storage and fast query performance make it ideal for long-term metric storage.
| Product | Mindshare (%) |
|---|---|
| Security Onion | 1.5% |
| VictoriaMetrics | 0.2% |
| Other | 98.3% |
| Company Size | Count |
|---|---|
| Small Business | 4 |
| Midsize Enterprise | 1 |
| Large Enterprise | 8 |
| Company Size | Count |
|---|---|
| Small Business | 3 |
| Midsize Enterprise | 2 |
| Large Enterprise | 2 |
Security Onion is an open-source Linux distribution for intrusion detection, network security monitoring, and log management. It offers comprehensive solutions for enterprises seeking to enhance their cybersecurity infrastructure.
Security Onion provides a full suite of tools to detect and respond to cybersecurity threats efficiently. As a robust and versatile distribution, it includes capabilities for real-time analysis, network visibility, and threat detection, making it indispensable for security operations centers. Users value this tool for its integration of open-source software with advanced analytics, affording professionals a detailed overview of network traffic and potential intrusions.
What are Security Onion’s most important features?
What benefits or ROI should you look for in reviews?
Security Onion finds extensive application in industries such as finance, healthcare, and government sectors, where robust network monitoring is critical. Its ability to integrate with existing security tools makes it a preferred choice for organizations looking to strengthen their cybersecurity posture.
Teams that switch to VictoriaMetrics report 70% less RAM and 75% less disk (verified PeerSpot user reviews), and cloud bills up to 10x lower (Grammarly case study) — while keeping their existing dashboards and alerting rules working. It is an open source observability solution for metrics, logs, and traces: a drop-in replacement for Prometheus and other backends that keeps scaling when data volume, query speed, or cost no longer does. It runs anywhere — from a Raspberry Pi to thousand-core clusters, on-premises or in the cloud — and is Kubernetes- and OpenTelemetry-compatible. Built by engineers, for engineers: Over 1B Docker pulls, 19M GitHub downloads, and 27K+ GitHub stars. Simple, reliable, and efficient observability for everyone.
VictoriaMetrics delivers observability in two complementary forms. The open source products are complete, production-grade, and free to run at any scale. Enterprise builds on that same code with capabilities and support for the most demanding environments — it extends open source rather than gating it.
Open source. VictoriaMetrics is a high-performance time series database and monitoring solution, compatible with PromQL via MetricsQL, so existing Prometheus dashboards, recording rules, and alerting rules keep working. VictoriaLogs is a logs database for mission-critical logging, and VictoriaTraces stores and queries distributed tracing data. All three are engineered for minimal RAM, disk, and compute at high ingestion rates.
Enterprise. VictoriaMetrics Enterprise adds features for large, multi-team deployments — plus direct support from the engineers who build the product, with architectural and security guidance. VictoriaMetrics Cloud is the same solution fully managed, and VictoriaMetrics Anomaly Detection applies machine learning to cut alert noise, so the alerts that do reach your team in Slack or on their phones are the ones that matter.
Measured results from users. PeerSpot reviewers report roughly 70% lower RAM use, 75% lower disk use, 3x faster writes, and 7x faster p95 query latency after replacing Prometheus. Grammarly cut its monitoring-related AWS bill about 10x; Granulate reduced metrics storage costs about 5x after moving from Grafana Cloud (Mimir).
Why teams choose VictoriaMetric
What are the key features of VictoriaMetrics?
What benefits and ROI should users expect?
Top use cases
VictoriaMetrics runs in production across finance, telecommunications, energy, scientific research, and IoT — from CERN's particle physics experiments to IHI Terrasun's utility-scale battery storage to Grammarly's product infrastructure. Wherever real-time telemetry at scale is critical, it delivers simple, reliable, and efficient observability for everyone. By engineers, for engineers.
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