Compare Notus vs. Tenable One Attack Surface Management in 2026

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Description

Notus connects with various data sources to provide ongoing, cohesive asset visibility, which allows for actionable insights that are essential for effective remediation. It identifies all devices, software, and configurations using existing tools, prioritizing the most critical vulnerabilities first. Staying updated on changes and new threats is crucial as it helps in uncovering vulnerabilities and misconfigurations. Additionally, it ensures that security considerations are integrated throughout the lifecycle of assets and software. Monitoring software usage is vital to prevent violations and manage costs efficiently. By streamlining the resolution of issues through task assignments to the appropriate teams, Notus simplifies the management of cybersecurity asset inventories. Traditional manual inventories can be arduous and are typically conducted around twelve times a year, yet they still fail to provide a current and comprehensive view of the entire environment. With Notus, however, managing these inventories becomes not only efficient but also instantaneous, leading to a more secure and well-managed asset landscape. This efficiency ultimately enhances the overall security posture of an organization.

Description

Tenable One Attack Surface Management is an external attack surface management solution that gives organizations comprehensive visibility into their internet-connected assets, services, applications, and exposures. It helps security teams discover what they own, identify unknown assets, and map the external footprint that attackers may see first. The platform continuously scans and maps the internet to uncover assets, assess external risks, and provide a clearer picture of the organization’s exposure. By adding business context, Tenable One Attack Surface Management helps teams understand which assets are important, which risks require attention, and how external weaknesses could combine into more serious security issues. The solution supports cybersecurity teams by helping them reduce unknown exposure and strengthen attack prevention strategies. It also helps compliance teams identify locations where personally identifiable information may be captured or stored. Additional use cases include brand protection, merger and acquisition risk analysis, competitive analysis, and legal review of non-compliant technology, missing disclaimers, or expired copyright notices. As part of Tenable One, the product contributes to a broader AI-powered exposure management approach that unifies visibility and action across attack surfaces. Tenable One Attack Surface Management helps organizations move from scattered external asset data to more meaningful insights that support faster and more focused risk reduction.