Compare Ossec and Tenable Nessus

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At a Glance
Ossec
Ossec
Star Rating
(10)4.6 out of 5
Market Segments
Small-Business (50.0% of reviews)
Information
Entry-Level Pricing
No pricing available
Learn more about Ossec
Tenable Nessus
Tenable Nessus
Star Rating
(284)4.5 out of 5
Market Segments
Mid-Market (39.6% of reviews)
Information
Entry-Level Pricing
$3,390.00 1 License With One-Time Purchase
Free Trial is available
Browse all 4 pricing plans

Ossec vs Tenable Nessus

When assessing the two solutions, reviewers found Tenable Nessus easier to use, set up, and administer. However, reviewers preferred doing business with Ossec overall.

  • Reviewers felt that Ossec meets the needs of their business better than Tenable Nessus.
  • When comparing quality of ongoing product support, reviewers felt that Tenable Nessus is the preferred option.
  • For feature updates and roadmaps, our reviewers preferred the direction of Tenable Nessus over Ossec.
Pricing
Entry-Level Pricing
Ossec
No pricing available
Tenable Nessus
Pro - 1 Year
$3,390.00
1 License With One-Time Purchase
Browse all 4 pricing plans
Free Trial
Ossec
No trial information available
Tenable Nessus
Free Trial is available
Ratings
Meets Requirements
9.1
9
9.0
234
Ease of Use
8.3
9
8.9
235
Ease of Setup
8.1
7
8.7
157
Ease of Admin
8.8
7
8.9
151
Quality of Support
8.3
8
8.4
217
Has the product been a good partner in doing business?
9.2
6
8.6
139
Product Direction (% positive)
8.7
9
8.9
224
Features by Category
Intrusion Detection and Prevention Systems (IDPS)Hide 12 FeaturesShow 12 Features
9.0
20
Not enough data
Prevention
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Detection
9.7
5
Not enough data
10.0
5
Not enough data
Not enough data
Not enough data
Administration
9.0
5
Not enough data
7.3
5
Not enough data
Not enough data
Not enough data
Generative AI
Feature Not Available
Not enough data
Not enough data
8.2
881
Performance
Not enough data
Feature Not Available
Not enough data
8.8
127
|
Verified
Not enough data
6.7
125
|
Verified
Not enough data
9.0
122
|
Verified
Network
Not enough data
8.8
123
|
Verified
Not enough data
8.8
116
|
Verified
Not enough data
8.4
100
|
Verified
Application
Not enough data
Feature Not Available
Not enough data
7.3
74
Not enough data
7.6
94
Attack Surface ManagementHide 12 FeaturesShow 12 Features
Not enough data
Not enough data
Asset Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Monitoring
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Risk Management
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Not enough data
Generative AI
Not enough data
Feature Not Available
Categories
Categories
Shared Categories
Ossec
Ossec
Tenable Nessus
Tenable Nessus
Ossec and Tenable Nessus share no categories
Unique Categories
Tenable Nessus
Tenable Nessus is categorized as Attack Surface Management and Vulnerability Scanner
Reviews
Reviewers' Company Size
Ossec
Ossec
Small-Business(50 or fewer emp.)
50.0%
Mid-Market(51-1000 emp.)
30.0%
Enterprise(> 1000 emp.)
20.0%
Tenable Nessus
Tenable Nessus
Small-Business(50 or fewer emp.)
27.6%
Mid-Market(51-1000 emp.)
39.6%
Enterprise(> 1000 emp.)
32.8%
Reviewers' Industry
Ossec
Ossec
Financial Services
20.0%
Retail
10.0%
Religious Institutions
10.0%
Marketing and Advertising
10.0%
Information Technology and Services
10.0%
Other
40.0%
Tenable Nessus
Tenable Nessus
Information Technology and Services
26.8%
Computer & Network Security
17.5%
Financial Services
6.7%
Computer Software
6.3%
Banking
4.8%
Other
37.9%
Most Helpful Reviews
Ossec
Ossec
Most Helpful Favorable Review
Verified User
G
Verified User in Computer & Network Security

This is an easy to install login monitoring tool , which is very helpful for all organization for intrusion detection and log analysis, as a personal user of this tool, i like all the features this tool provides

Most Helpful Critical Review
Tenable Nessus
Tenable Nessus
Most Helpful Favorable Review
AB
Alejandro B.
Verified User in Information Technology and Services

I really like the way it look for vulnerabilities into the iT environment and helps for the need of quick vulnerability assessment in the different devices and assets.

Most Helpful Critical Review
Grace C.
GC
Grace C.
Verified User in Mental Health Care

Does not conform to Mac application uninstall standards. You must piecemeal remove Nessus in subdirectories and becomes a hassle to remove safely. I doubt most people use Terminal to remove software in multiple directions. This lack of care makes Security...

Alternatives
Ossec
Ossec Alternatives
Snort
Snort
Add Snort
AlienVault USM (from AT&T Cybersecurity)
AlienVault USM (from AT&T Cybersecurity)
Add AlienVault USM (from AT&T Cybersecurity)
Palo Alto Networks Next-Generation Firewalls
Palo Alto Networks Next-Generation Firewalls
Add Palo Alto Networks Next-Generation Firewalls
Hybrid Cloud Security
Hybrid Cloud Security
Add Hybrid Cloud Security
Tenable Nessus
Tenable Nessus Alternatives
Intruder
Intruder
Add Intruder
Detectify
Detectify
Add Detectify
Wiz
Wiz
Add Wiz
Burp Suite
Burp Suite
Add Burp Suite
Discussions
Ossec
Ossec Discussions
Monty the Mongoose crying
Ossec has no discussions with answers
Tenable Nessus
Tenable Nessus Discussions
I'm a consultant; can I use Nessus Professional to conduct my client's vulnerability scanning?
2 comments
ANKIT S.
AS
Yes, you can.Read more
Is Nessus professional the right product for me?
2 comments
Official Response from Tenable Nessus
Nessus Professional has always been designed for the security professional. The typical Nessus user is a consultant or contractor who is very experienced...Read more
Can I use Nessus professional data in other applications?
2 comments
Official Response from Tenable Nessus
Yes. Many third party applications can incorporate a Nessus file. This allows consultants to share the data with their clients’ other applications for the...Read more