NEWJoin 2M+ software buyers|Get Weekly Insights, Trends & Expert PicksSubscribe free →

Last updated:

12 Kenna Security Alternatives Ranked by Real Users — Free Picks Included (2026)

Explore 12 alternatives to Kenna Security — vetted by our editors with real user reviews, pricing, and feature comparisons.

The 12 best free Kenna Security alternatives at a glance

Quick answer

Our pick of free vulnerability management software alternatives to Kenna Security: Qualys VM, Brinqa and Defendify. Qualys VM leads the list with a 4.1★ rating from real users. Compare all 12 on rating and pricing below.

Choosing the right Kenna Security alternative comes down to fit, and these 12 vulnerability management software free alternatives cover a wide range of needs. We rank them by SpotScore, which blends verified satisfaction with market presence, then ratings and pricing. Each tool is editor-checked. Use the table to compare, then read each breakdown.

ProductSpotScoreRatingPricingBest for
Qualys VMSecure your assets, stay protected.★★★★ 4.1FreeFree Trial · Quotation Basedteams of all sizes
BrinqaEmpowering security teams, mitigating risk effortlessly.★★★★ 4.14(16)FreeFree Trial · Quotation Basedteams of all sizes
DefendifyTotal protection for small businesses, without the hassle.★★★★★ 4.88(30)FreeFree Trial · Quotation Basedteams of all sizes
NessusSecure your network with Nessus.★★★★ 4.34(185)Freefrom $2,790/yrteams of all sizes
SocketSoftware supply chain security that catches malicious npm and PyPI packages before install9.4★★★★★ 4.7FreeFreemium · Subscription · Contact Salesteams of all sizes
SemgrepFast open-source SAST tool with 2,000+ rules for finding security vulnerabilities in code9.2★★★★★ 4.6FreeFreemium · Open Source · Contact Salesteams of all sizes
SensagraphAgentless Vulnerability ScannerNot yet ratedFreeFree Trialteams of all sizes
SAINTCloudComprehensive Cloud-Based Vulnerability ManagementNot yet ratedFreeFree Trial · Quotation Basedteams of all sizes
Aikido SecuritySimplify your security. Protect your assets.★★★★★ 4.68(14)FreeFreemium · Quotation Based · Subscriptionteams of all sizes
SecunaUnleash the power of cybersecurity with Secuna.Not yet ratedFreeFree Trial · Subscriptionteams of all sizes
Detectify Deep ScanExpert-level security scanning for ultimate protection.★★★★ 4.36(25)FreeFree Trial · Subscription · Quotation Basedteams of all sizes
AppSecEngineerSecure your apps with expert training.Not yet ratedFreeFree Trial · Subscription · Quotation Basedteams of all sizes
Qualys VM

Qualys VM

Secure your assets, stay protected.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

4.1

Add to compare

What is Qualys VM?

Qualys Vulnerability Management (VM) is a scalable, flexible, and cost-effective vulnerability management solution to identify and fix vulnerable software across the enterprise. VM continuously monitors public and local internal assets for known security vulnerabilities; identifies suspect ...

Read more about Qualys VM
Free Trial·

Qualys VM offers custom pricing plan

Brinqa - New SaaS Software

Brinqa

Empowering security teams, mitigating risk effortlessly.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Brinqa?

Brinqa offers powerful risk modeling to security teams, transforming data from sources such as context, threats and security into strategic insights that allowing organizations to manage their cyber risk effectively. Brinqa enables stakeholders, governance entities, infrastructures and security ...

Read more about Brinqa
Free Trial·

Brinqa offers custom pricing plan

Spotsaas Ads

Want your product up here? Put it in front of buyers the moment they're comparing your category.

Reach in-market buyersRank above rivals2M+ buyers a year
Defendify - New SaaS Software

Defendify

Total protection for small businesses, without the hassle.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Defendify?

Defendify provides small businesses with an easy-to-navigate, all-in-one cybersecurity solution that combats threats by combining numerous layers of protection. This award-winning platform offers continual assessments, policy implementation, cyber training, real-time detection of emerging ...

Read more about Defendify
Free Trial·

Defendify offers custom pricing plan

Nessus - Vulnerability Management Software

Nessus

Secure your network with Nessus.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Nessus?

Nessus is a vulnerability scanner of its kind, giving user a complete picture of organization's security status. Instantly scan thousands of systems for the latest vulnerabilities and react to them in real time. Nessus modular architecture and the industry's most flexible licensing make it an ...

Read more about Nessus
Free TrialTry Free →

9.4

SpotScore

Socket logo

Socket

Software supply chain security that catches malicious npm and PyPI packages before install

Best for: SMB teams

Try for Free

4.7

Add to compare

watch-demo

Watch Demo

What is Socket?

Socket is a software supply chain security tool that protects against malicious npm, PyPI, and Maven packages — the new attack vector where attackers publish malicious packages that mimic popular libraries. Unlike SCA tools that only check CVE databases, Socket deep-scans package behavior: ...

Read more about Socket

Starts from Freefree when public repos, also offers free forever plan

9.2

SpotScore

Semgrep logo

Semgrep

Fast open-source SAST tool with 2,000+ rules for finding security vulnerabilities in code

Best for: SMB teams

Try for Free

4.6

Add to compare

watch-demo

Watch Demo

What is Semgrep?

Semgrep is a fast, open-source static analysis tool that finds bugs and enforces code standards across 30+ languages. It uses a pattern-matching syntax that looks like the code it searches — making custom security rules writeable by any developer, not just security specialists. Semgrep is used ...

Read more about Semgrep

Starts from Freefree, also offers free forever plan

Sensagraph

Sensagraph

Agentless Vulnerability Scanner

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

watch-demo

Watch Demo

What is Sensagraph?

Sensagraph is an agentless external security scanning platform that assesses your live web applications and infrastructure the way an attacker would , from the public internet, with nothing to install. Point it at a domain, verify ownership once, and Sensagraph maps your real attack surface and ...

Read more about Sensagraph
Free TrialTry Free →·

Starts from 19/month

Logo

SAINTCloud

Comprehensive Cloud-Based Vulnerability Management

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

watch-demo

Watch Demo

What is SAINTCloud?

SAINTCloud is a leading cloud-based vulnerability management platform that empowers organizations to elevate their security posture. By seamlessly integrating into existing security infrastructures, SAINTCloud streamlines vulnerability assessment and remediation processes, eliminating the need ...

Read more about SAINTCloud
Free TrialTry Free →·

SAINTCloud offers custom pricing plan

Aikido Security

Aikido Security

Simplify your security. Protect your assets.

Best for: SMB teams · Mid-market · Enterprise

Try for Free

Add to compare

What is Aikido Security?

Aikido Security is a code and cloud security platform that consolidates open-source scanning tools into a single dashboard with customizable rules. It covers vulnerability detection across code, dependencies, containers, and cloud configurations, and integrates with task management systems, CI ...

Read more about Aikido Security

Aikido Security offers custom pricing plan

Secuna - New SaaS Software

Secuna

Unleash the power of cybersecurity with Secuna.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Secuna?

Introducing Secuna, the ultimate solution for cybersecurity for your products. Specifically designed for SMEs and startups, this platform connects users with a pool of cybersecurity professionals from around the world. Our software offers trusted researchers, continuous security tests, and ...

Read more about Secuna
Free TrialTry Free →·

Starts from $250/Month

Detectify Deep Scan - New SaaS Software

Detectify Deep Scan

Expert-level security scanning for ultimate protection.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is Detectify Deep Scan?

Detectify Deep Scan helps you enhance your security know-how to unprecedented heights featuring automated security assessments from a worldwide exclusive community of expert-level security researchers. It can identify a wide array of threats, including non-CVE security issues, thanks to its ...

Read more about Detectify Deep Scan
Free TrialTry Free →·

Starts from $80/Month

AppSecEngineer - New SaaS Software

AppSecEngineer

Secure your apps with expert training.

Best for: SMB teams · Mid-market · Enterprise

Start Free Trial

Add to compare

What is AppSecEngineer?

AppSecEngineer is the world's most comprehensive Application Security Training Platform. It provides specialized knowledge in Cloud Security, Kubernetes, DevSecOps, and more. With an interactive learning approach, students enjoy the best learning experience possible. AppSecEngineer takes the ...

Read more about AppSecEngineer
Free TrialTry Free →·

Starts from $33.25/Month when Billed Yearly

Who competes with Kenna Security?

There are 12 direct Kenna Security competitors in Vulnerability Management Software. The ones that come up most often are Qualys VM, Brinqa and Defendify. Each is compared against Kenna Security on rating, pricing and feature coverage below.

Sites and apps like Kenna Security

Searches for "sites like Kenna Security" and "apps like Kenna Security" land on the same shortlist as "Kenna Security alternatives" — the 12 options below cover both, whether you want a like-for-like replacement or something lighter.

What sets each pick apart

Qualys VMBest for teams of all sizes

Scalable and flexible solution

Watch for: Can be overwhelming for beginners

BrinqaBest for teams of all sizes

Powerful risk modeling

Watch for: Complex setup process

DefendifyBest for teams of all sizes

Comprehensive cybersecurity solution

Watch for: Limited features in free version

NessusBest for teams of all sizes

Comprehensive coverage and accurate vulnerability detection due to updated plugin repository.

Watch for: Scan time and results may sometimes be inconsistent.

Socket9.4Best for teams of all sizes

Behavioral analysis catches malicious packages that have no CVE yet — the XZ Utils attack and similar supply chain compromises would have been flagged by Socket before install.

Watch for: Focused specifically on supply chain security — does not replace broader SCA tools for CVE tracking, license compliance, and dependency management.

Semgrep9.2Best for teams of all sizes

Custom rule syntax mirrors the code being analyzed — security engineers write rules in minutes rather than learning a proprietary DSL.

Watch for: Pattern-based SAST produces false positives on complex data flow cases — findings that look like vulnerabilities in isolation but are safe in context require developer triage.

SensagraphBest for teams of all sizes
SAINTCloudBest for teams of all sizes
Aikido SecurityBest for teams of all sizes

Tool that scans code repositories and clouds, providing insights for both technical and non-technical users.

Watch for: Can be overwhelming for newcomers due to the richness of features and customizations.

SecunaBest for teams of all sizes
Detectify Deep ScanBest for teams of all sizes

Automated security assessments

Watch for: May require security expertise

AppSecEngineerBest for teams of all sizes

Comprehensive training resources

Watch for: Limited to application security

Why teams look for a Kenna Security alternative

The push to replace Kenna Security tends to come down to a few recurring frustrations:

  • Pricing structure may be limiting for some organizations, posing cost concerns.
  • Steep learning curve for fully utilizing all features, may require dedicated training.
  • Limited customization options for reports and dashboards, affecting personalization.
  • Customer support response time can be slow for complex issues, impacting user experience.

Choosing a Kenna Security alternative

Comparing the 12 free alternatives on the figures that matter: 12 offer a free tier; paid plans run $2790, with Nessus the cheapest entry point; and Defendify is the highest rated at 4.88 across 30 reviews.

Our methodology.

Frequently Asked Questions (FAQs)

Stuck on something? We're here to help with all the questions and answers in one place.

The top-rated alternatives to Kenna Security are Defendify (4.9★), Socket (4.7★), Aikido Security (4.7★). Compare all 12 alternatives side-by-side above.

When evaluating alternatives to Kenna Security, prioritize: Vulnerability Prioritization, Risk Assessment, Risk Management, Machine Learning, Reporting, transparent pricing, free trial availability, and integrations with your existing tools. Use the filters above to compare by feature, budget, and team size.

Migration difficulty depends on how deeply Kenna Security is integrated into your workflows. Most alternatives offer data export/import tools and dedicated onboarding support. We recommend narrowing to 2–3 options, running a free trial, and checking each vendor's migration guides before committing.

How to pick the best Kenna Security alternative

  • On a budget / just exploring: start with a free tier — Qualys VM, Brinqa and Defendify let you evaluate without paying upfront.
  • If real-user ratings matter most: Defendify has the strongest star rating (4.88★) among the options with verified reviews.

How to migrate from Kenna Security

To switch off Kenna Security without disruption, handle your data first: export it and test that the new tool imports it cleanly. Verify your key workflows still function, pilot the move on a free plan or trial, and keep Kenna Security active until the cutover is complete.

Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].