Tenable Nessus Alternatives (September 2025)

Find out more about Nessus - the trusted gold standard for vulnerability assessment, designed for modern attack surfaces - used by thousands of organizations.

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1.
Tenable Vulnerability Management | Tenable®
https://www.tenabl
.com/products/vulnerability-management/

Upgrade your VM strategy with Tenable Vulnerability Management. Try it for free here to find out why Tenable is different from other tools in the market!

2.
Tenable One - The Trusted Exposure Management Platform | Tenable®
https://www.tenabl
.com/products/tenable-one/

Optimize business performance by gaining visibility and preventing likely attacks with Tenable One. Click here to protect your attack surface with Tenable One.

3.
Tenable Security Center | Tenable®
https://www.tenabl
.com/products/security-center/

Understand your risk and know which vulnerabilities and assets to prioritize first with Tenable Security Center. Prioritize and investigate vulnerabilities with Tenable Security Center.

5.
Vulnerability Management Tool - VMDR | Qualys
https://www.qualy
.com/apps/vulnerability-management-detection-response/

Discover Qualys VMDR, the powerful, cloud-based, vulnerability management software redefining cyber risk management. Try it today!

6.
Cloud Security | Tenable® | Tenable®
https://www.tenabl
.com/cloud-security/

Cloud security at Tenable starts with a unified CNAPP powerful enough to manage posture, secure workloads, govern identity & access management, and much more.

7.
Qualys Web Application Scanning | Qualys
https://www.qualy
.com/apps/web-app-scanning/

Discover Qualys Web Application Scanning, our cloud solution for continuous web app discovery and detection of vulnerabilities. Try it today!

8.
PCI Compliance Solution | Qualys, Inc.
https://www.qualy
.com/solutions/pci-compliance/

Discover our complete, efficient, integrated PCI compliance solution that delivers one holistic view of your IT assets and PCI compliance posture.

9.
Cybersecurity Services - Rapid7
https://www.rapid
.com/services/

Learn how our experts can make your security program relevant, actionable, and sustainable with a combination of cybersecurity services.

10.
Qualys CSPM: A TotalCloud™ 2.0 Cloud Security Tool | Qualys
https://www.qualy
.com/apps/cloud-security-posture-management/

Discover how the Qualys Cloud Security Posture Management (CSPM) tool enables you to continuously discover, monitor, and analyze your cloud assets.

12.
Trend Micro (FI) | Industry-Leading Cyber Security Platform
https://cleanerone.trendmicr
.com/

Enterprise cybersecurity platform powered by AI & global threat intelligence. Attack surface management, XDR, cloud security, network security, managed services

13.
Halo Security | Security testing for the modern attack surface.
https://www.halosecurit
.com/

Discover the risks across your attack surface with Halo Security's complete attack surface management platform.

14.
Attack Surface Management | Censys
https://censy
.com/attack-surface-management/

Attack Surface Management solutions from Censys. Attack Surface Management is the monitoring of sensitive external assets.

17.
The Security Validation Platform
https://www.picussecurit
.com/

Prioritize critical issues across siloed data sources, validate exposures in real-time, and deploy one-click mitigations to close gaps fast.

18.
Pentera - Automated Security Validation
https://www.penter
.io/

Pentera: Don't assume, validate. With Automated Security Validation™, ensure 'pretty certain' means secure. Trusted by top CISOs.

19.
Cymulate - Exposure Management & Security Validation Platform
https://cymulat
.com/

Challenge, assess, and optimize your enterprise's cybersecurity posture with the number one Exposure Management & Security Validation platform.

20.
Acunetix | Web Application Security Scanner
https://www.acuneti
.com/

Acunetix is an end-to-end web security scanner that offers a 360 view of an organization’s security. Allowing you to take control of the security of all you web applications, web services, and APIs to ensure long-term protection. Acunetix’s scanning engine is globally known and trusted for its unbeatable speed and precision.

21.
Edgescan | Superior Security Solutions
http://edgesca
.com/

Discover superior security solutions with Edgescan. From PTaaS to continuous security testing, we have your back. Learn more about our services.

22.
InsightVM Vulnerability Management Tool - Rapid7
https://www.rapid
.com/products/insightvm/

With Rapid7's vulnerability management tool you will be able to understand and prioritize risk with clarity. Learn more about InsightVM and start a free trial today.

23.
Phoenix Security - FIX Vulnerability with context from appsec to cloud security
https://phoeni
.security/

Phoenix Security Cloud Platform (former Phoenix Security) removes the friction between executives, security and developers using SMART Risk-Based exposure and vulnerability management for software, infrastructure and cloud vulnerabilities. Run your DevSecOps vulnerability management and AppSec program using the Phoenix Cybersecurity framework methodology. Risk-based and metric-based vulnerability management.

24.
Intruder | Vulnerability Management Made Easy
https://intrude
.io/

Secure your attack surface with automated vulnerability scanning, continuous network monitoring, and proactive threat response in one platform. Try for free.

25.
Continuous Exposure Management | XM Cyber
https://xmcybe
.com/

Illuminate and disrupt the attack paths leading to your critical assets, in the cloud or on-premises.

26.
Cyber Risk Management to Identify & Mitigate Risk | Bitsight
https://www.bitsigh
.com/

Bitsight is a global cyber risk management leader transforming how companies manage exposure, performance, and risk for themselves and their third parties.

27.
Network Threat Detection & Cyber Security | NetWitness
https://www.netwitnes
.com/

Professional network threat detection & cyber security monitoring services are offered by NetWitness. Accelerate threat detection and cyber attack response for your organization's SOC with unparalleled visibility, analytics and automation. Contact us today!

28.
ExtraHop: Cloud-Native Network Detection and Response
https://www.extraho
.com/

ExtraHop provides cloud-native cybersecurity solutions to help enterprises detect and respond to advanced threats—before they compromise your business.

29.
Brinqa | Cybersecurity Risk Management and Remediation | Trusted by Industry Experts
https://www.brinq
.com/

Easily manage assets and their vulnerabilities across your security tools, programs and attack surface with the Brinqa platform.

30.
Complete External Attack Surface Management | Detectify
https://detectif
.com/

Use Detectify to get complete coverage of your growing attack surface with Surface Monitoring and Application Scanning.

31.
Third-Party Risk and Attack Surface Management Software | UpGuard
https://www.upguar
.com/

Third-party risk and attack surface management software. UpGuard is the best platform for securing your organization’s sensitive data. Our security ratings engine monitors millions of companies and billions of data points every day.

32.
Cyberint - Threat Intelligence & Digital Risk Protection
https://cyberin
.com/

Continuously expose and mitigate your most relevant known and unknown risks with threat intelligence, tailored to your attack surface.

33.
Endpoint Detection & Response Tools | Qualys
https://www.qualy
.com/apps/endpoint-detection-response/

Get the Qualys EDR tool - our dynamic endpoint detection and response software powered by the Enterprise TruRisk Platform. Try it today!

34.
Fortra Vulnerability Management | Digital Defense
https://www.digitaldefens
.com/products/fortra-vulnerability-management/

Fortra Vulnerabilty Management (formerly Frontline VM™) lets companies leverage a full suite of vulnerability assessment applications with our SaaS platform. ✔Get a quote today!

35.
Network Security Management | AI Network Security Protection
https://darktrac
.com/products/network/

Network security AI built for SMB, enterprise, government, and critical infrastructure. Integrates into your workflow including SIEMs, SOARs, & access via SSO.

36.
Outpacing Threats | CrowdStrike Falcon® Exposure Management
https://www.crowdstrik
.com/platform/falcon-exposure-management/

Gain full attack surface visibility, assess and prioritize exposures, and automate responses to outpace adversaries with CrowdStrike Falcon® Exposure Management.

38.
AppDetectivePRO – Database Security | Trustwave
https://www.trustwav
.com/en-us/services/database-security/appdetectivepro/

When it comes to database security scanning, Trustwave AppDetectivePRO is the choice of security practitioners looking for in-depth database scanning.

40.
Microsoft Defender Vulnerability Management | Microsoft Security
https://www.microsof
.com/en-us/security/business/threat-protection/microsoft-defender-vulnerability-management/

Microsoft Defender Vulnerability Management delivers asset visibility, risk-based prioritization, and remediation tools to help your teams address critical vulnerabilities.

41.
RiskProfiler - Fortify Your Attack Surface
https://riskprofile
.io/

Unified Platform for managing your Third-Party Risk, Attack Surface Management, and Automated Vendor Questionnaire Assessments

42.
Axonius: Cybersecurity Asset Management & SaaS Management Solutions
https://www.axoniu
.com/

Learn why IT and security teams trust Axonius to manage and secure their cybersecurity assets and SaaS apps with SSPM and CAASM solutions in one platform.

43.
Penetration Testing as a Service (PTaaS) - NetSPI
https://www.netsp
.com/netspi-ptaas/

Explore NetSPI's Penetration Testing as a Service (PTaaS) offering. Enhance your organization's security with expert assessments and actionable insights.

44.
Application Security Testing Tool - Checkmarx Appsec Solution
https://checkmar
.com/

Leading in application security testing, Checkmarx makes security simple and seamless for developers. Get a demo TODAY.

45.
runZero: Cybersecurity Asset Management
https://www.runzer
.com/

2024 Gartner Peer Insights "Customers’ Choice" for CAASM. Complete visibility. Uncover exposures in minutes - no agents, credentials, or hardware required!

46.
Leader in Cybersecurity Protection & Software for the Modern Enterprises - Palo Alto Networks
https://www.paloaltonetwork
.com/

Implement Zero Trust, Secure your Network, Cloud workloads, Hybrid Workforce, Leverage Threat Intelligence & Security Consulting. Cybersecurity Services & Education for CISO’s, Head of Infrastructure, Network Security Engineers, Cloud Architects & SOC Managers

47.
Qualys Web Application Firewall | Qualys
https://www.qualy
.com/apps/web-app-firewall/

Discover Qualys Web Application Firewall, our web app firewall cloud service for scalable, simple, and powerful protection of web applications. Try it today!

48.
Network Penetration Testing Platform | vPenTest
https://www.vonah
.io/services/network-penetration-testing/

vPenTest is an automated network penetration testing platform that makes pentesting scalable, accurate, faster, consistent, and not prone to human error.

49.
AI Agent for Automated Security Validation | Ridge Security
https://ridgesecurit
.ai/

Ridge Security helps improve efficiency of security operations by risk-based vulnerability management with AI-powered automated security validation.

50.
Security Assessment & Testing Platform | Darwin Attack® | Evolve Security
https://www.evolvesecurit
.com/platform/

Darwin Attack® is a real-time pentest platform that helps you manage your security program. You can see testing updates as they are posted to the portal, and can communicate directly with your Evolve Security engagement team.

51.
Home
https://www.rainfores
.tech/

Trust Rainforest to safeguard your innovations and provide you with the confidence to navigate the digital world securely - quick implementation and faster

52.
Darktrace | Cyber security that learns you
https://darktrac
.com/

Darktrace AI interrupts in-progress cyber-attacks in seconds, including ransomware, email phishing, and threats to cloud environments and critical infrastructure.

53.
Secure and Compliant Workloads Anywhere
https://www.runecas
.com/

Identify, manage, and remediate vulnerabilities and misconfigurations on-prem, in your cloud or containerized infrastructure in a unified view

54.
AI-Powered DAST, Malware Scanner & Pen-testing | Indusface WAS
https://www.indusfac
.com/web-application-scanning.php/

Discover Indusface WAS, our AI-powered DAST scanner ensuring ZERO false positives, scans OWASP top 10 & zero-day threats and integrates with DevSecOps CI/CD.

55.
Arista NDR - Arista
https://www.arist
.com/en/products/network-detection-and-response/

Delivering Unified Zero Trust Secure Networks Today, a zero trust networking approach to security is paramount for organizations looking to build a robust cybersecurity program. Irrespective of which device, application, or user is accessing an

56.
Astra Security - Continuous Pentest Platform
https://www.getastr
.com/

Astra Security is a one of a kind continuous Pentest Platform that makes chaotic pentests a breeze & continuous with its hacker-style vulnerability scanner.

57.
Mend.io (formerly WhiteSource) - Start Managing Application Risk
https://www.men
.io/

Mend.io gives you all the tools you need to build a mature, proactive AppSec program that effectively manages application risk.

58.
Penetration Testing | Securin
https://www.securi
.io/penetration-testing/

Our penetration testing simulates a real-world attack on your digital assets to determine the strength of your security & defenses.

59.
Application Vulnerability Management - ASOC | Ivanti
https://www.ivant
.com/products/ivanti-neurons-for-asoc/

Take a risk-based approach to application vulnerability management with Ivanti Neurons for Application Security Orchestration and Correlation (ASOC).

60.
Cyber Security Services UK | Onsecurity
https://onsecurit
.io/

Protect your business from hackers with our pentesting and cyber security services. Try our platform for free.

61.
Offensive Security Solutions | Evolve Security
https://www.evolvesecurit
.com/

Experience unparalleled penetration testing with our elite team, dedicated to uncovering vulnerabilities and safeguarding your business assets.

62.
NETSCOUT User Experience Monitoring – Get the Data That Matters Most
https://www.netscou
.com/

Get the data that matters most for user experience monitoring with NETSCOUT. Our packet-derived insights help assure strong user experience, security, and availability.

63.
Syxsense - Automated Endpoint & Vulnerability Management
https://www.syxsens
.com/

Revolutionize your endpoint and vulnerability management with Syxsense. Get real-time visibility & control over all your endpoints.

65.
Contrast Security | Secure from Within
https://www.contrastsecurit
.com/

Contrast Security delivers real-time and always-on security INSIDE your apps and APIs.

66.
RSA Cybersecurity and IAM Solutions
https://www.rs
.com/

RSA, the security-first identity leader, provides the automated identity intelligence, authentication, access, and governance solutions that secure the world’s most secure organizations.

67.
Onapsis | The Leading SAP Cybersecurity Platform
https://onapsi
.com/

Level-up your SAP cybersecurity with Onapsis--trusted by SAP and recognized by Gartner. Protect & optimize your landscape.

68.
Strobes PTaaS- Pentesting as a Service
https://strobe
.co/solutions/pentesting-as-a-service/

Strobes Pentesting as a Service (PTaaS) offers a personalized, cost-effective, and offense-driven approach to safeguarding your digital assets

69.
Core Impact | Penetration Testing Software | Core Security
https://www.coresecurit
.com/products/core-impact/

Discover how the powerful penetration testing solution, Core Impact, enables you to safely and efficiently test your environment by automating the techniques used by hackers. Get started today with this pen testing solution that is ideal for both new and advanced pen testers.

70.
Network Detection and Response (NDR) | Verizon
https://www.verizo
.com/business/products/security/threat-detection/network-detection-response/

With Verizon's Network Detection & Response (NDR), gain advanced threat intelligence and expert support to protect your business from suspicious activities and cyber attacks.

71.
Metasploit | Penetration Testing Software, Pen Testing Security | Metasploit
https://www.metasploi
.com/

Find security issues, verify vulnerability mitigations & manage security assessments with Metasploit. Get the world's best penetration testing software now.

72.
Cyber Security Services | Kaspersky
https://www.kaspersk
.com/enterprise-security/cybersecurity-services/

Kaspersky cybersecurity services help enable your business with intelligence and expertise providing a new level of cyber-immunity. Learn how Kaspersky can protect your Enterprise by identifying and managing vulnerabilities.

73.
Cisco Vulnerability Management (formerly Kenna.VM) - Cisco
https://www.cisc
.com/site/us/en/products/security/vulnerability-management/index.html/

Cisco Vulnerability Management (formerly Kenna Security) delivers risk-based prioritization that predicts exploits, drives down risk, and optimizes resources.

74.
Cyber Risk Analytics Management Platform - QOMPLX
https://www.qompl
.com/os/

QOMPLX enables customers to analyze, model, manage, and transfer complex cyber risks. Learn how to identify attackers before they have a chance to do harm.

75.
OT/ICS and IoT cybersecurity company | Sectrio
https://sectri
.com/

Sectrio secures converged networks through better asset visibility, reduced attack surfaces & early detection of latent threats. | IoT, OT, IT and 5G Security

76.
Nmap: the Network Mapper - Free Security Scanner
https://nma
.org/

Nmap Free Security Scanner, Port Scanner, & Network Exploration Tool. Download open source software for Linux, Windows, UNIX, FreeBSD, etc.

77.
Vulnerability scans, automated for any business
https://hostedsca
.com/

Online automated vulnerability scans for continuous monitoring of websites, servers, and applications. Test our free forever version.

78.
HCL AppScan: Advanced Application Security Testing
https://www.hcl-softwar
.com/appscan/

Enhance security with HCL AppScan's Application Security Testing suite. Find vulnerabilities, automate workflows and protect your software.

79.
Cyberheals - NextGen Cybersecurity Company | Secure Your Business With CyberHeals Products
https://www.cyberheal
.com/

Cyberheals - NextGen Cybersecurity Company Protect your assets with CyberHeals cutting-edge cybersecurity products and services. Safeguard your business today!

80.
Invicti (formerly Netsparker) | Web Application and API Security for Enterprise
https://www.invict
.com/

Get accurate, automated application security testing that scales like no other solution. Secure 1000s of web assets with less manual effort. Reduce your risk with the only…

81.
SentinelOne - Advanced Enterprise Cyber Security AI Platform
https://www.sentinelon
.com/

SentinelOne unites endpoint, cloud, identity, and data protection—enriched by our Security Data Lake for a seamless and efficient cybersecurity experience.

82.
Web Application Security, Testing, & Scanning - PortSwigger
https://portswigge
.net/

PortSwigger offers tools for web application security, testing, & scanning. Choose from a range of security tools, & identify the very latest vulnerabilities.

83.
JupiterOne: Cyber asset analysis for total enterprise visibility
https://jupiteron
.io/

JupiterOne is a cyber asset analysis platform for cybersecurity designed to continuously collect, connect, and analyze asset data so security teams can see and secure their entire attack surface through a single platform.

84.
Tripwire Solutions | Tripwire
https://www.tripwir
.com/products/tripwire-enterprise/

Tripwire Enterprise helps accurately identify security misconfigurations and indicators of compromise to reduce your attack surface.

85.
WPScan: WordPress Security Scanner
https://wpsca
.com/

WPScan is an enterprise vulnerability database for WordPress. Be the first to know about vulnerabilities affecting your WordPress core, plugins & themes.

87.
Runtime-Driven. Open-source First. Cloud Security | ARMO
https://www.armose
.io/

Continuously minimize cloud attack surface based on runtime insights, while actively adapting runtime security with real risk context.

88.
Home
https://www.criticalinsigh
.com/

Arm yourself against cyber threats with Cybersecurity-as-a-Service. Discover comprehensive security solutions for small and midsize organizations.

89.
External Attack Surface Management | FractalScan
https://fractalsca
.com/

Take control of your online attack surface; quickly identify the scale and severity of your issues with FractalScan Surface attack surface management.

90.
InsightAppSec Web Application Security Product - Rapid7
https://www.rapid
.com/products/insightappsec/

Rapid7's web application security testing tool offers cloud-native application security analysis. Automatically crawl and assess web applications to identify vulnerabilities like SQL Injection, XSS, and CSRF.

91.
LRQA Nettitude 🛡️ Award-Winning Cybersecurity Solutions
https://www.nettitud
.com/

Protect your organisation with LRQA Nettitude’s award-winning Cybersecurity Testing, Management & Consulting. Pen Testing & PCI. Speak to our experts today.

92.
Netwrix | Cybersecurity that works for you.
https://www.netwri
.com/data_classification_software.html/

Easily identify sensitive, regulated and mission-critical information in your data stores and focus on the information that truly requires protection.

93.
AppCheck | A Complete Enterprise Security Testing Solution
https://appcheck-n
.com/

Providing up to the minute vulnerability coverage for your entire estate. Thoroughly scan and test your Web Apps, Infrastructure, Single Page Apps (SPAs) and APIs including Swagger (Open API), GraphQL and SOAP endpoints for security flaws, with our powerful browser based crawler.

94.
Next-Gen Network Security & Management Platform | BhaiFi®
https://bhaif
.com/

BhaiFi is a Next-Gen Software-Based Network Security & Management Solution for SMEs, Co-working Spaces, Offices, Hotels, Cafes & Restaurants.

95.
Application Security Services & Assessments
https://www.securityinnovatio
.com/services/

Security Innovation provides assessment and consulting services to companies around the world to reduce risk from software vulnerabilities. Learn more.

96.
Cloud NGFW for AWS - Network Security - Palo Alto Networks
https://www.paloaltonetwork
.com/network-security/cloud-ngfw/

Cloud NGFW combines best-in-class network security with cloud native ease of use and delivers ML-Powered NGFW protection as a managed cloud native service on AWS.

97.
Aqua Cloud Native Security, Container & Serverless Security
https://www.aquase
.com/

Full dev-to-prod cloud native security platform on Kubernetes, Docker, OpenShift, Fargate, Lambda, AWS & other container platforms

98.
ActZero MDR | Home
https://actzer
.ai/

ActZero protects organizations with AI cybersecurity at a fair price. Enjoy peace of mind with 24/7 support, fewer alerts, and flexible terms.

99.
WildFire - Palo Alto Networks
https://www.paloaltonetwork
.com/network-security/wildfire/

WildFire leverages a suite of cloud-based malware detection techniques and inline ML to identify and protect against unknown file-based threats.