Defendify vs. Tenable Nessus Comparison


Defendify	Tenable Nessus Tenable	+	+
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Quick Deployment, Immediate Results: Integrates with your tech stack and fully deploy, with no warm-up period, in hours All-You-Can-Eat Data Ingest: Predictable pricing and with unlimited data logging for full-lifecycle detection Compliance Made Easy: 1 year data retention included, pre-built reports, and 24/7 automated monitoring 99.7% CSAT Support: Solution Architects for product support, the Incident Detection and Response Team creating new detections, and 24/7 SecOps support 150 Ratings Visit Website Adaptive Security Adaptive is the human security platform for the AI era. AI has fundamentally changed the threat landscape. Deepfakes make social engineering more convincing, AI-powered phishing scales attacks 100x, and the rapid adoption of AI tools introduces new risks to every organization. Adaptive unifies security awareness training, agentic email security, and AI governance to secure every attack surface where work happens. Adaptive’s platform trains employees against emerging threats, stops sophisticated email attacks, and secures rogue AI usage. The Company’s platform can be deployed in the browser, on device, and in email inboxes. More than 2,000 leading organizations trust Adaptive, including major global brands like PayPal, MLB, and Bose. The Company has raised over $140M from leading AI investors including OpenAI and NVIDIA, and most recently closed an $81M funding round led by Bain Capital Ventures. 152 Ratings Visit Website Daylight Daylight merges lightning-fast agentic AI with elite human expertise to deliver a next-gen managed detection and response service that goes beyond alerts, aiming to “take command” of your cyber-frontier. It promises full coverage of your environment with no blind spots, context-aware protection that continuously learns from your systems and past cases (including Slack chats), near-zero false positives, the industry’s lowest mean time to detection and mean time to response, and deep integration with your IT and security stack so it supports unlimited platforms, unlimited integrations, and delivers actionable, noise-free insights via AI dashboards. With Daylight, you get true end-to-end threat detection and response (no escalation games), 24/7 expert support, custom response workflows, environment-wide visibility, and measurable improvements in analyst utilization and response speed, all built to shift your security operations from reactive to commanding. 15 Ratings Visit Website myACI ACI Learning delivers hands-on IT and cybersecurity training built for modern teams. 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About Founded in 2017, Defendify is pioneering All-In-One Cybersecurity® for organizations with growing security needs, backed by experts offering ongoing guidance and support. Delivering multiple layers of protection, Defendify provides an easy-to-use platform designed to strengthen cybersecurity across people, process, and technology, continuously. Defendify streamlines cybersecurity assessments, testing, policies, training, detection, response, and containment in one consolidated and cost-effective cybersecurity solution. 3 layers, 13 solutions, 1 platform, including: • Managed Detection & Response • Cyber Incident Response Plan • Cybersecurity Threat Alerts • Phishing Simulations • Cybersecurity Awareness Training • Cybersecurity Awareness Videos • Cybersecurity Awareness Posters & Graphics • Technology Acceptable Use Policy • Cybersecurity Risk Assessments • Penetration Testing • Vulnerability Scanning • Compromised Password Scanning • Website Security Scanning	About Nessus is trusted by more than 30,000 organizations worldwide as one of the most widely deployed security technologies on the planet - and the gold standard for vulnerability assessment. From the beginning, we've worked hand-in-hand with the security community. We continuously optimize Nessus based on community feedback to make it the most accurate and comprehensive vulnerability assessment solution in the market. 20 years later and we're still laser focused on community collaboration and product innovation to provide the most accurate and complete vulnerability data - so you don't miss critical issues which could put your organization at risk. Today, Nessus is trusted by more than 30,000 organizations worldwide as one of the most widely deployed security technologies on the planet - and the gold standard for vulnerability assessment.
Platforms Supported Windows Not Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported	Platforms Supported Windows Supported Mac Not Supported Linux Not Supported Cloud Supported On-Premises Not Supported iPhone Not Supported iPad Not Supported Android Not Supported Chromebook Not Supported
Audience Organizations with growing security needs	Audience IT professionals searching for a Vulnerability Assessment solution
Support Phone Support Supported 24/7 Live Support Not Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Not Supported Online Supported
API Offers API Not Supported	API Offers API Not Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing $0 The Defendify All-In-One Cybersecurity package includes 13 modules, starting at $2,950 per month. The Detection & Response package, offering 24/7 monitoring and containment, starts at $2,500 per month. The Assessments & Testing package starts at $300 per month, while the Policies & Training package starts at $150 per month. Free Version Supported Free Trial Not Supported	Pricing No information available. Free Version Not Supported Free Trial Supported
Reviews/Ratings Overall 4.0 / 5 ease 4.0 / 5 features 4.0 / 5 design 4.0 / 5 support 4.0 / 5 Read all reviews	Reviews/Ratings Overall 4.8 / 5 ease 5.0 / 5 features 4.8 / 5 design 5.0 / 5 support 4.4 / 5 Read all reviews
Pros & Cons from Real Users Pros The team at Defendify where so easy to deal with and were very proactive. I really felt they listened to what I needed and (of course there was a sales pitch for extra services), it wasn't pushy and it was tailored to our needs. Support has been responsive and everything is super easy to setup. Cons Nothing so far. I guess only that you get a teaser of the extra services.	Pros & Cons from Real Users Pros Customizable Scans Wide Platform Support Pre-built policies and Templates like PCI DSS and HIPAA Frequent Plugin Updates Active and Passive Detection Comprehensive Vulnerability Coverage Nessus supports a wide range of operating systems and devices, making it versatile for diverse IT environments. Nessus benefits from an active community of users and professional support, ensuring that users can find solutions and best practices when needed. Nessus provides the flexibility to perform both agent-based scans for systems that require persistent monitoring and agentless scans for systems where installing an agent is impractical. Nessus excels at identifying vulnerabilities in systems across a wide range of platforms, including operating systems, databases, network devices, and web applications. It checks for known vulnerabilities using both signature-based and heuristic-based scanning techniques Nessus can perform configuration audits by comparing system settings against industry best practices (e.g., CIS Benchmarks, DISA STIGs). This allows organizations to enforce security policies and ensure that systems are configured securely By providing Nessus with valid credentials (such as admin-level access), it can perform more in-depth scans and accurately identify vulnerabilities that require elevated privileges. Nessus can integrate with other security solutions such as SIEMs (Security Information and Event Management systems), ticketing systems (e.g., ServiceNow, Jira), and other vulnerability management tools. This helps automate workflows and streamline vulnerability remediation. Nessus offers an intuitive user interface with a simple setup process, making it accessible even to organizations without a dedicated security team. The interface provides easy access to scan configurations, reports, and plugin management. 1) Nessus provides in-depth vulnerability scanning across a wide range of systems, applications, and devices, helping identify potential security risks quickly and thoroughly. 2) The vulnerability database is constantly updated, ensuring that the scanner detects the latest threats and vulnerabilities, which is crucial for maintaining up-to-date security. 3) The interface is intuitive and easy to navigate, even for users who aren’t security experts. It’s simple to run scans, view results, and take action based on the findings. 4) Nessus offers flexibility with customizable scanning profiles, allowing users to tailor scans to specific needs, whether it’s targeting particular systems, vulnerabilities, or compliance requirements. 5) The reports generated by Nessus are detailed and clear, offering actionable insights and prioritizing vulnerabilities based on severity. This helps teams address the most critical issues first. In depth vulnerability scanning with very usable results in easy to read formats and reports that you can drill down into. Very detailed information for how quick the scan is. Cons Limited Automation Custom Scripting Complexity No Built-In Patch Management Limited Cloud Integration False Positives The basic version of Nessus is free for limited use, accessing advanced features like compliance checks and extended reporting in Nessus Professional requires a subscription, which may not suit smaller organizations with tight budgets. Nessus scans can consume significant network and system resources, potentially slowing down operations or affecting the performance of critical systems during scans. Nessus can be resource-heavy, especially when performing in-depth scans or scanning large environments. High network bandwidth and processing power are required to perform large-scale scans without negatively impacting system performance. In environments with limited resources, this could slow down network operations or impact system stability While Nessus does offer some web application scanning capabilities (e.g., detecting SQL injection, XSS, etc.), it is not as specialized or comprehensive as dedicated web application security testing tools like Burp Suite or OWASP ZAP. Organizations with a heavy focus on web applications may find Nessus lacking in depth for these specific needs 1) While Nessus does integrate with some third-party tools, its integration options are more limited compared to some other vulnerability management platforms, which might be a drawback for larger organizations with complex IT environments. 2) Nessus can struggle with scaling up for very large, complex environments or enterprise-level networks, where more robust vulnerability management platforms might be better suited. The free trial sucked. Not only is it limited to 7 days, but you can't even try the full feature set for that 7 days. It's limited to reporting on the first 16 devices it detects. Unfortunately on my network, it didn't make it to any servers before hitting that limit, so I only got info on workstations, a printer and a credit card reader. At least give me 1 full scan of my network so I can compare workstations to servers, or give me the ability to go back and pick certain IP addresses to scan, maybe via csv file upload?
Training Documentation Supported Webinars Supported Live Online Not Supported In Person Not Supported	Training Documentation Not Supported Webinars Not Supported Live Online Not Supported In Person Not Supported
Company Information Defendify Founded: 2017 United States www.defendify.com	Company Information Tenable Founded: 2002 United States www.tenable.com/products/nessus
Alternatives Hoxhunt	Alternatives Orca Security
Guardz	Astra Pentest Astra Security
Kroll Cyber Risk Kroll	Crashtest Security
Critical Insight	Tenable One Tenable
CybaOps CybaVerse View All	ESOF TAC Security View All
Categories Breach and Attack Simulation (BAS) Supported Cyber Risk Management Supported Cybersecurity Supported Dark Web Monitoring Supported Data Security Supported Incident Response Supported Managed Detection and Response (MDR) Supported Penetration Testing Supported Security Awareness Training Supported Vulnerability Scanners Supported	Categories AI Pentesting Supported Attack Surface Management Supported Cyber Risk Management Supported IT Security Supported Network Monitoring Supported Network Security Supported Penetration Testing Supported Security Risk Assessment Supported Vulnerability Assessment Supported Vulnerability Management Supported Vulnerability Scanners Supported
Vulnerability Scanners Features Asset Discovery Not Supported Black Box Scanning Not Supported Compliance Monitoring Supported Continuous Monitoring Supported Defect Tracking Not Supported Interactive Scanning Not Supported Logging and Reporting Supported Network Mapping Not Supported Perimeter Scanning Not Supported Risk Analysis Supported Threat Intelligence Supported Web Inspection Supported Show More Features Cybersecurity Features AI / Machine Learning Supported Behavioral Analytics Supported Endpoint Management Supported Incident Management Supported IOC Verification Supported Tokenization Not Supported Vulnerability Scanning Supported Whitelisting / Blacklisting Supported Data Security Features Alerts / Notifications Supported Antivirus/Malware Detection Not Supported At-Risk Analysis Not Supported Audits Not Supported Data Center Security Not Supported Data Classification Not Supported Data Discovery Not Supported Data Loss Prevention Not Supported Data Masking Not Supported Data-Centric Security Supported Database Security Not Supported Encryption Not Supported Identity / Access Management Not Supported Logging / Reporting Not Supported Mobile Data Security Not Supported Monitor Abnormalities Supported Policy Management Supported Secure Data Transport Not Supported Sensitive Data Compliance Supported Incident Response Features Attack Behavior Analytics Supported Automated Remediation Supported Compliance Reporting Supported Forensic Data Retention Not Supported Incident Alerting Supported Incident Database Supported Incident Logs Supported Incident Reporting Supported Privacy Breach Reporting Supported Security Orchestration Not Supported SIEM Data Ingestion / Correlation Not Supported SLA Tracking / Management Not Supported Threat Intelligence Supported Timeline Analysis Not Supported Workflow Automation Not Supported Workflow Management Not Supported Security Awareness Training Features Analytics / Reporting Supported Certification Training Not Supported Custom Test Building Not Supported Gamification Not Supported Industry Benchmarking Not Supported Non-Email Based Testing Supported Online Courses Supported Phishing Simulation Supported Pre-Assessments Supported Prebuilt Training Library Supported	Show More Features Vulnerability Management Features Asset Discovery Supported Asset Tagging Not Supported Network Scanning Supported Patch Management Not Supported Policy Management Supported Prioritization Supported Risk Management Not Supported Vulnerability Assessment Supported Web Scanning Supported
Integrations Centraleyezer Not Supported CertSecure Manager Not Supported Clockspring Not Supported Cloudaware Not Supported CnSight Not Supported Conviso Platform Not Supported Cyver Not Supported GAT Not Supported Hexway Pentest Suite Not Supported Hyperproof Not Supported ManageEngine Endpoint Central Not Supported NorthStar Navigator Not Supported OverSOC Not Supported SQUAD1 Not Supported Seeker Not Supported Tenable One Not Supported The Respond Analyst Not Supported VirtualArmour Not Supported Vulcan Cyber Not Supported Show More Integrations	Integrations Centraleyezer Supported CertSecure Manager Supported Clockspring Supported Cloudaware Supported CnSight Supported Conviso Platform Supported Cyver Supported GAT Supported Hexway Pentest Suite Supported Hyperproof Supported ManageEngine Endpoint Central Supported NorthStar Navigator Supported OverSOC Supported SQUAD1 Supported Seeker Supported Tenable One Supported The Respond Analyst Supported VirtualArmour Supported Vulcan Cyber Supported Show More Integrations View All 56 Integrations
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