
Tenable
Tenable is a cybersecurity company specializing in Exposure & Vulnerability Management, founded in 2002 and headquartered in Columbia, United States. It has raised $300M in equity across 2 priced rounds, plus $9.84M debt & credit, employs about 2,386 people, and is publicly traded.
updated Oct 23, 2026
Latest Tenable news and company activity
What Tenable did, dated — selected moves from the record, one per kind, newest first.
- Oct 2026Feature launchIntroducing Tenable OPEN for AI
- Oct 2026Customer winH₂O Retailing Reduces Cybersecurity Risk with the Tenable One Exposure Management Platform
- Oct 2026PartnershipKeeper Security and Tenable Integrate to Streamline Cloud Risk Detection, Remediation and Vulnerability Assessment
- Mar 2026Exec change
Tenable Momentum score
60/ 100
Mandos Momentum blends hiring, funding, traffic and sentiment into one score out of 100. The score is free; the pillars behind it unlock in the platform.
Tenable funding
Tenable has raised $300M in priced equity, plus $9.84M debt & credit. Its most recent round was a Series B in November 2015. It has 3 funding rounds on record: Series A, Debt Financing, and Series B. 3 investors are on record, including Insight Partners and Accel.
- Equity raised
- $300M2 priced rounds
- Last round
- Series BNov 2015
- Other instruments
- $9.84M debt
Tenable employees and hiring
As of September 2026, Tenable has about 2,386 employees, up 1% over the last 30 days, with 61 open roles.
- Employees
- 2,386
- 30-day change
- +1%
- Open roles
- 61
Tenable competitors
Security professionals most often compare Tenable against Sysdig, Wiz, and Acunetix on cybersectools.com. 10 more are in the platform, with overlap scoring.
ranked by CybersecTools comparison demand, 90 days
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The other 440 data points.
- Funding historyevery round, every investor named
- Headcount growthvelocity, departments, seniority
- Open jobs61 live postings, role mix
- Tech stackframeworks, clouds, security









