Mimecast
The connected Human Risk Management platform
2610 employees · est. 2003 · London, United Kingdom
Tenable
Welcome to Tenable. Your exposure ends here. Cloud Exposure | Vulnerability Exposure | OT Exposure | Identity Exposure
2337 employees · est. 2002 · Columbia, United States
Tenable is the older company (2003 vs 2002).
2 signals in the last 90 days
Side-by-Side Comparison
| Metric | Mimecast | Tenable |
|---|---|---|
| Founded | ||
| Founded | 2003 | 2002 older |
| Headquarters | ||
| Headquarters | London, United Kingdom | Columbia, United States |
| Employees | ||
| Employees | 2610 | 2337 |
| Industry | ||
| Industry | Cyber Security, Legal Tech, Privacy and Security | Cyber Security, Privacy and Security |
| Funding Stage | ||
| Funding Stage | Post Ipo Equity | Post Ipo Equity |
| Total Funding | ||
| Total Funding | $88.40M | $565.44M |
| Funding Rounds | ||
| Funding Rounds | 5 | 5 |
| Services | ||
| Services | Not tracked yet | Exposure Management Platform, Vulnerability Scanning, Cloud Security Posture Management, Identity and Access Management, OT/IT Converged Security |
| Target Customers | ||
| Target Customers | Not tracked yet | Automotive Manufacturing, Energy Sector, Finance Industry, Healthcare Organizations, Oil & Gas Companies |
| Taxonomy | ||
| Taxonomy | AI-powered Technologies, Cybersecurity Solutions, Email Security, Risk Management, Cloud-based Services, Data Protection, Business Communication Management, Service Continuity, Archiving Solutions, Human-centric Pathways, Awareness Training, Threat Landscape, Collaborative Environment Protection, Web Security, Cyber Resilience | Exposure Management, Vulnerability Management, Cloud Security, Operational Technology, Identity Exposure, AI-Powered Security, IT Infrastructure Protection, Cloud Environment Protection, Application Security, Kubernetes Security, Web Application Scanning, Generative AI In Security, Container Security, Cloud Security Posture Management |
| Website | ||
| Website | mimecast.com | tenable.com |
About Mimecast
Mimecast is an AI-powered, API-enabled connected Human Risk Management platform, aiming to protect organizations from a variety of cyber threats. Its integration of cutting-edge technology with human-centric pathways delivers enhanced visibility and strategic insight, enabling decisive action and em...
About Tenable
Tenable, founded in 2002, stands as a leading entity in the Cyber Security and Privacy and Security sectors. Headquartered in the United States, Tenable positions itself with the powerful slogan: "Welcome to Tenable. Your exposure ends here." As an exposure management company, Tenable is dedicated...
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Funding, hiring, leadership and stack changes at Mimecast and Tenable — by email.
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Compiled from the BounceWatch company index. We last looked at Mimecast on 3 Mar 2025, and Tenable on 5 Aug 2025. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.