Tenable is a cybersecurity company that specializes in vulnerability management. It provides organizations with tools to identify, assess, and prioritize security risks in their systems. By using its platform, businesses can better understand their security posture and take proactive measures to protect their assets. The company's flagship product, Tenable.io, offers a cloud-based solution for continuous monitoring of vulnerabilities across various environments. Additionally, Tenable.sc provides on-premises capabilities for organizations that prefer to manage their security data locally. Together, these tools help organizations reduce their exposure to cyber threats and improve overall security.