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Best Security Monitoring in 2026

Security monitoring tools help track security activity, review logs, detect issues, and support responses. This list is for people choosing a monitoring tool for a budget, whether they prefer a hosted service or software they can run themselves.

  1. 1

    Wazuh

    Free plan Open source APILinuxMac+3

    Wazuh combines security monitoring with response capabilities and integrations for a range of environments.

    8.5 Free plan · paid from $571/mo · 14-day trial Visit site
  2. 2

    Elastic Security

    Free plan APILinuxSelf-hosted+1

    Elastic Security combines threat detection, endpoint and cloud capabilities, and workflow automation, with both free and paid options.

    7.6 Free plan · paid from $0.09 · 14-day trial Visit site
  3. 3

    Sumo Logic

    by Sumo Logic
    Free plan APILinuxMac+2
    7.0 Free plan · pricing on request · 30-day trial Visit site
  4. 4

    Oracle Cloud Infrastructure Secret Management

    by Oracle Cloud Infrastructure Secret Management
    Free plan APIWeb

    OCI Secret Management centralizes credential storage, access control, rotation, and replication.

    6.9 Free plan Visit site
  5. 5

    Amazon GuardDuty

    Free trial APILinuxWeb

    GuardDuty brings detection across AWS accounts, workloads, and data sources, with findings that can feed into existing response systems.

    6.5 30-day trial Visit site
  6. 6

    ExtraHop RevealX

    Free trial APILinuxSelf-hosted+1

    Choose RevealX if your enterprise needs unified network detection, performance visibility, and packet forensics across hybrid environments.

    6.4 Pricing on request Visit site
  7. 7

    Google Cloud Secret Manager

    Free plan Web
    6.2 Free plan · paid from $0.03 · 90-day trial Visit site
  8. 8

    ManageEngine Log360

    Free trial APILinuxSelf-hosted+2

    Choose ManageEngine Log360 if your security team needs SIEM capabilities spanning log analysis, behavior analytics, cloud monitoring, and automated response.

    6.2 From $795 · 30-day trial Visit site
  9. 9

    Microsoft Defender for Business

    by Microsoft Defender for Business
    Free trial AndroidAPIiPhone+2
    6.2 From $3/user/mo (annual) · 30-day trial Visit site
  10. 10

    Security Onion

    Free plan LinuxWeb
    5.8 Free plan Visit site
  11. 11

    Vectra AI Identity Threat Detection and Response

    Free trial APIWeb

    Choose Vectra ITDR if your security team needs to monitor identity activity across network and cloud environments and wants investigation and response capabilities.

    5.6 Pricing on request Visit site
  12. 12

    CrowdStrike Falcon Cloud Security

    Paid LinuxMacWeb+1
    5.5 Pricing on request · 15-day trial Visit site
  13. 13

    IBM QRadar SIEM

    Paid LinuxSelf-hosted
    5.5 Pricing on request Visit site
  14. 14

    Splunk Enterprise

    Free trial Self-hosted
    5.5 Free plan · pricing on request · 60-day trial Visit site
  15. 15

    Devo Security Data Platform

    Paid Web
    5.0 Pricing on request Visit site
  16. 16

    Wiz Defend

    Paid Web

    Wiz Defend combines threat detection, investigation, and response with cloud and AI runtime coverage.

    4.9 Pricing on request Visit site
  17. 17

    Exabeam New-Scale SIEM

    Paid Web
    4.6 Pricing on request Visit site
  18. 18

    Graylog Security

    Paid

    Graylog Security brings triage, detection, alerting, and evidence collection into a paid hybrid product. Its annual cost and query language should be checked against the intended security environment.

    4.6 From $18,000/yr Visit site
  19. 19

    FortiSIEM

    Paid Web
    4.5 Pricing on request Visit site
  20. 20

    Rapid7 InsightIDR

    Paid Web

    InsightIDR brings log monitoring, configurable detections, and real-time alerts into a cloud product.

    4.5 Pricing on request Visit site
  21. 21

    LogRhythm SIEM

    Paid LinuxWindows
    4.3 Pricing on request Visit site
  22. 22

    SentinelOne Singularity AI SIEM

    Paid Web
    4.3 Pricing on request Visit site
  23. 23

    Trend Vision One Container Security

    Paid Web
    4.1 Pricing on request · 30-day trial Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

Compare free plans, paid starting prices, trial periods, deployment options, and licences if reading or changing code matters. Check data source coverage, retention, alerting channels, automated response, and log search before choosing.

Questions

Which tools list a free plan?

Elastic Security and Google Cloud Secret Manager list a free plan. Check their current terms and limits before relying on free access.

Which products list a free trial?

Listed trials include Amazon GuardDuty and ManageEngine Log360 at 30 days, CrowdStrike Falcon Cloud Security at 15 days, Elastic Security at 14 days, and Google Cloud Secret Manager at 90 days.

What paid starting prices are listed?

Elastic Security lists paid plans from $0.09, Google Cloud Secret Manager from $0.03, ManageEngine Log360 from $795, and Graylog Security from $18,000 per year. Several products quote on request.

Can these tools run outside a web service?

Platform listings include Linux, Windows, macOS, API, and self-hosted options as well as web deployment. Check the platform listing for the tool you are considering.

Do any tools offer open-source code?

Open-source code is offered by items on this list. Check the licence for the specific tool to confirm whether its code can be read or changed and under what conditions.

What capabilities should I compare?

The list compares free plan, paid starting price, deployment, data source coverage, data retention, alerting channels, automated response, and log search.

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