
Qualys
Intruder
Burp Suite
Acunetix
OpenVAS
Netsparker
AlienVault USM (from AT&T Cybersecurity)
Nessus Professional is a security platform designed for businesses who want to protect the security of themselves, their clients, and their customers.

Adobe Learning Manager
Udemy
LMS Collaborator
Moodle
MindTickle
WorkRamp
LinkedIn Learning
KnowBe4 provides Security Awareness Training to help you manage the IT security problems of social engineering, spear-phishing & ransomware.

Which is more popular?
Based on our record, Knowbe4 seems to be more popular. It has been mentioned 6 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | tenable.com | knowbe4.com |
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What each product offers, as listed by its team.


Possible disadvantages
Possible disadvantages
An editorial look at what each product does well and who it suits.


No analysis of Nessus yet.
Overall verdict
Why this product is good
Recommended for
KnowBe4 is recommended for organizations of all sizes that are looking to bolster their staff's cybersecurity awareness and resilience against social engineering attacks. It is particularly valuable for businesses operating in sectors with high compliance and regulatory requirements, such as finance, healthcare, and government.
Walkthroughs and reviews on video.
LABS 17 Vulnerability Analysis Using the Nessus REVIEW
More videos
How often each product is chosen within a category, 0–100% relative to the other.


Share your experience with using Nessus and Knowbe4. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


The main functions of Nessus are asset discovery, web scanning, prioritization, policy management, and vulnerability assessment. It enables organizations to tailor scans based on individual preferences, ensuring...
Nessus is the best alternative choice for burp suite. It is a popular vulnerability scanner software. It can scan a wide range of technologies including operating systems, databases, network devices, web servers,...
Answer: Nessus features a wide product line that includes the Nessus Cloud, Nessus Manager which is suitable for vulnerability management on-premises, Nessus Professional runs scans on client devices, such as a...
We have no reviews of Knowbe4 yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


Tracking Nessus since Mar 2021.
If knowbe4.com is in header. Move to Phishing test folder. Source: almost 4 years ago
Our security team uses them. It always strikes me as bad form when we are told "don't open e-mail from people you don't know" and "don't click on links in e-mails" and then we get e-mail from "knowbe4.com" that says "You've been... Source: about 4 years ago
We use KnowBe4 with our clients for phishing and training. Source: about 5 years ago
When comparing Nessus and Knowbe4, you can also consider the following products.

Qualys helps your business automate the full spectrum of auditing, compliance and protection of your IT systems and web applications.
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Adobe Learning Manager (formerly Adobe Captivate Prime LMS) is easy to setup and helps in delivering engaging learning experiences in a personalized manner across devices.
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Intruder is a security monitoring platform for internet-facing systems.
Compare Intruder to Nessus or Knowbe4:


Burp Suite is an integrated platform for performing security testing of web applications.
Compare Burp Suite to Nessus or Knowbe4:

LMS Collaborator is a state-of-the-art learning management system designed to meet the need for corporate training, upskilling, and evaluation with flexible integration abilities.
Compare LMS Collaborator to Nessus or Knowbe4: