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Pros & Cons summary

Buyer's Guide

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Prominent pros & cons

PROS

Security Onion is the most mature in the market.
It is used for internal vulnerability assessment.
Security Onion greatly improves security posture and simplifies threat analysis.
It decreases the cost of threat analysis and detection.
Security Onion's ability to find infected ports is highly valuable for security monitoring.

CONS

Security Onion is not easy to learn.
Setting up and configuring Security Onion can be quite challenging for newcomers due to the need for a grasp of networking and security concepts.
The initial setup of Security Onion is a little bit difficult.
 

Security Onion Pros review quotes

HJ
Manager at teshama
Jun 18, 2026
Security Onion has positively impacted my organization by greatly improving our security posture, making alert triage easier to handle, simplifying the analysis of threats, and decreasing the cost of threat analysis and detection.
Jörg Kippe - PeerSpot reviewer
Scientist at a educational organization with 10,001+ employees
Jan 18, 2024
Security Onion is the most mature solution in the market.
Derek Maraw - PeerSpot reviewer
Cyber Security Officer at AFC Holdings
Aug 4, 2023
We use Security Onion for internal vulnerability assessment.
Find out what your peers are saying about Security Onion Solutions, LLC, Wazuh, Elastic and others in Log Management. Updated: June 2026.
900,644 professionals have used our research since 2012.
Anish Bajracharya - PeerSpot reviewer
Postgraduate at a educational organization with 1,001-5,000 employees
Mar 18, 2024
The most valuable feature of Security Onion for security monitoring is its ability to find infected ports.
 

Security Onion Cons review quotes

HJ
Manager at teshama
Jun 18, 2026
For Security Onion, setting up and configuring the system can be quite challenging for newcomers due to the need for a grasp of networking and security concepts.
Jörg Kippe - PeerSpot reviewer
Scientist at a educational organization with 10,001+ employees
Jan 18, 2024
The product is not easy to learn.
Derek Maraw - PeerSpot reviewer
Cyber Security Officer at AFC Holdings
Aug 4, 2023
Security Onion's user interface could be improved.
Find out what your peers are saying about Security Onion Solutions, LLC, Wazuh, Elastic and others in Log Management. Updated: June 2026.
900,644 professionals have used our research since 2012.
Anish Bajracharya - PeerSpot reviewer
Postgraduate at a educational organization with 1,001-5,000 employees
Mar 18, 2024
The initial setup of the solution is a little bit difficult.