Tenable Holdings — Vendor Overview
V025 · Vulnerability Management, Cloud Security, OT Security · 2 active certifications · SA presence: Limited
Quick pitch: Tenable is the global leader in vulnerability management and cloud security; Tenable certifications are valuable for security professionals managing vulnerability assessments and cloud security compliance.
Company Snapshot
| Field | Detail |
|---|---|
| Full name | Tenable Holdings, Inc. |
| Founded | 2002 — pioneered network vulnerability scanning with Nessus |
| Headquarters | Columbia, Maryland, USA |
| Employees | ~2,000 globally (2026) |
| Revenue | $600M annually (FY2025) |
| Listed | NASDAQ: TENB |
| Core business | Develops Nessus (vulnerability scanner), Tenable.sc (security centre), Tenable Cloud (cloud security), and Tenable.ot (OT security). 90% subscriptions, 10% services. |
| SA office | No direct office; very limited partner network |
What Tenable Does
Tenable manufactures vulnerability management and cloud security platforms. Nessus is the flagship product – a network vulnerability scanner used globally to identify security weaknesses. Tenable.sc provides centralised security management across networks. Tenable.ot focuses on operational technology (OT) security for critical infrastructure. Revenue is 90% subscriptions, 10% professional services.
Tenable owns approximately 35% of the vulnerability management market globally and is the market leader. The certification program is designed for security engineers, vulnerability analysts, and cloud security professionals.
Certification Portfolio
| Level | Cert Name | Code | Domain | Cost (USD) | Valid |
|---|---|---|---|---|---|
| Associate | Tenable.sc Certified Administrator | TSCA | Vulnerability Management | $200 | 2 yrs |
| Professional | Tenable Certified Cloud Security Specialist | TCCSS | Cloud Vulnerability Management | $300 | 2 yrs |
Recommended starting cert
Tenable.sc Certified Administrator — Entry-level credential validating ability to manage and configure Tenable.sc vulnerability management platform, conduct vulnerability scans, and remediate findings. Suitable for security engineers and vulnerability analysts. 90-minute exam; ~60 questions. 2-year validity. ~1–2 months study with lab access.
Why Tenable Matters in 2026
Tenable owns approximately 35% of the vulnerability management market and is the market leader globally. LinkedIn shows 1,400+ open Tenable job postings. Tenable is mandated or strongly preferred by financial services, government, and compliance-driven organisations for vulnerability assessments.
Vulnerability management is a critical component of security programmes. Tenable certifications command moderate salaries in security operations. Demand is growing (+8% YoY) as organisations increase vulnerability assessment frequency.
Job Market Data
| Metric | Value | Source | Date |
|---|---|---|---|
| Active job postings | 1,400+ | LinkedIn Jobs | May 2026 |
| Growth YoY | +8% | LinkedIn Salary Insights | 2025–2026 |
| Top job title | Vulnerability Analyst | May 2026 | |
| Top hiring countries | USA, UK, Canada, India, Australia | May 2026 |
Common job titles
| Job Title | Seniority | Median USD Salary | Median ZAR Salary |
|---|---|---|---|
| Vulnerability Analyst | Mid | $78,000 | R71,800/month |
| Security Operations Engineer | Senior | $105,000 | R96,600/month |
| Cloud Security Specialist | Senior | $125,000+ | R115,000+/month |
South Africa Presence
Direct presence
Tenable has no direct office in South Africa and very limited partner network. Some SA banks may use Nessus for vulnerability scanning, but training and support are primarily remote/global.
Frequently Asked Questions
Q: Is Tenable worth investing in for my career? Yes, if interested in vulnerability management and compliance-driven security scanning. Tenable is the market leader.
Q: How often do Tenable certs expire? All certifications expire after 2 years. Renewal requires passing renewal exams.
Q: Are Tenable certs recognised in South Africa? Limited domestic recognition. Valuable for SA professionals in vulnerability assessment and compliance roles.
Q: What's the best cert to start with from Tenable? Tenable.sc Certified Administrator. Entry point for vulnerability management professionals. Expect 1–2 months study.
Related Content
- Cert Roadmap →
- Ecosystem Deep Dive →
- Individual Cert Files →
Sources
| # | Source | URL | Used for |
|---|---|---|---|
| 1 | Tenable Training | tenable.com/training | Company data, certs |
| 2 | Tenable Investor | investor.tenable.com | Revenue, employee count |
| 3 | LinkedIn Jobs – Tenable | linkedin.com/jobs | Job market data |
Template version: 2026-05-03 | Maintained by IT Career Roadmap