CISO Tribune

Vendor comparison · 2 companies

Astra Security vs Tenable

Astra Security sells a platform that performs continuous offensive pentests across apps, APIs and cloud. Tenable sells Tenable One, a platform that unifies security visibility, insight and action across an attack surface. CISO Tribune files both under Vulnerability management. This page sets the two records side by side: what each sells, where it is based, who owns and funds it, the customers it names and its recent news, each fact numbered to its source.

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  • Astra Security
  • Tenable
Astra Security vs Tenable: Products, Customers and Funding Compared
Astra SecurityAstra Security sells a platform that performs continuous offensive pentests across apps, APIs and cloud.getastra.comTenableTenable sells Tenable One, a platform that unifies security visibility, insight and action across an attack surface.tenable.com
What it sells
  • DAST Scanner[3][7]Dynamic vulnerability scanning with authenticated scans behind login screens.
  • Tenable One[2][3][4][8]A platform that unifies security visibility, insight and action across an attack surface.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
2018[2]2002
Ownership and funding
Privately held[6][7]Not stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
Not stated on its pagesNot stated on its pages
G2 and Gartner Peer Insights
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
Not written yetTenable describes converged OT and IT environments among the environments it covers. Tenable's pages cover multi-cloud and hybrid cloud environments, and Active Directory and Entra ID identity environments. Tenable describes highly dynamic cloud or remote workforce assets among those its asset discovery covers.
Last verified
November 13, 2026November 5, 2026

Where they overlap

  • Astra Security and Tenable are both filed under Vulnerability management.

Where they differ, field by field

  • Astra Security's primary category is Penetration testing and red team services; Tenable's is Vulnerability management.
  • Astra Security is also filed under Dynamic application security testing and API security. Tenable is also filed under External attack surface management, Cloud-native application protection (CNAPP) and OT and ICS security.
  • Astra Security lists DAST Scanner. Tenable lists Tenable One.
  • Astra Security was founded in 2018. Tenable was founded in 2002.
  • Astra Security is privately held.

What it sells: Astra Security

What DAST Scanner does[3][7]
DAST Scanner is dynamic vulnerability scanning. Its scans cover CVEs and access control flaws. Authenticated scans run behind login screens. Integrations include CI/CD, Slack and Jira. Scan results and security posture can be shared with the Trust Center.

What it sells: Tenable

What Tenable One does[2][3][4][8]
Tenable One maps the attack surface across infrastructure, cloud, identity, OT, third-party applications and AI. Tenable Hexa AI is the agentic layer of Tenable One.

Questions about Astra Security and Tenable

What do Astra Security and Tenable sell?
Astra Security sells DAST Scanner. Tenable sells Tenable One.
Are Astra Security and Tenable in the same category?
They share Vulnerability management. Astra Security's primary category is Penetration testing and red team services and Tenable's is Vulnerability management.
When were Astra Security and Tenable founded?
Astra Security was founded in 2018. Tenable was founded in 2002.
Who owns Astra Security and Tenable?
Astra Security is privately held.
Who are Astra Security and Tenable sold to?
Tenable describes converged OT and IT environments among the environments it covers.

About Astra Security

Astra Security sells a platform that performs continuous offensive pentests across apps, APIs and cloud. Astra Security is a penetration testing company in Delhi that specializes in protecting websites and businesses online. Astra Security's VAPT services cover websites, web apps, mobile apps, cloud infrastructure, network devices and emerging technologies like blockchain. Astra Security finds vulnerabilities and verifies the fixes that the customer's team implements.[1][3][4][5]

Astra Security offers a PTaaS (Penetration Testing as a Service) platform. Astra Security's continuous pentesting combines automated scanning with expert manual assessments. Astra Security's continuous pentesting covers every new feature a customer builds. Astra Security runs manual pentests in 8-15 business days. Astra Security provides two re-scans to validate fixes and a publicly verifiable certificate once a customer passes the pentest. Astra Security's pentest reports include video PoCs and detailed steps to fix a vulnerability. Astra Security issues publicly verifiable certifications with shareable links.[1][3]

Astra Security offers a DAST scanner and an API security platform. Astra Security's vulnerability scanning covers CVEs and access control flaws. Astra Security's authenticated scans scan behind login screens. Astra Security's scanning offers CI/CD, Slack and Jira integrations. Astra Security lets customers share continuous scan results and security posture with the Trust Center. Astra Security's API scanning looks for shadow APIs, zombie APIs and broken access control.[1][3]

Astra Security's cloud scanning is continuous, agentless and multi-cloud. Astra Security's cloud scanning detects 400+ misconfigurations and risks across AWS, Azure and GCP. Astra Security's cloud scanning integrates into CI/CD for checks before and after every deployment. Astra Security provides shareable cloud security evidence through the Astra Trust Center.[3]

Astra Security examines every AI-driven component in a customer's app. Astra Security's AI testing covers prompt-based attacks such as jailbreaks, indirect and context injection, and context poisoning. Astra Security's AI testing includes CVE reproduction testing, such as Redis bugs, SSRF and exposed configs. Astra Security's team has discovered and responsibly disclosed 50+ CVEs. Astra Security's pentesters hold OSCP, CEH, eJPT, eWPTXv2 and CCSP (AWS) credentials. Astra Security is a CREST-approved member, CERT-In empanelled, a PCI ASV-approved scanning vendor and ISO 27001-certified.[8]

Astra Security sells penetration testing security to insurance providers. International SOS is a global health and security services organization. International SOS selected Astra Security for a platform-driven approach to penetration testing that blends automation with manual expertise. SmartWinnr is a mobile-first sales productivity platform for remote sales teams. Astra Security scanned SmartWinnr's web, iOS and Android applications and AWS infrastructure. Astra Security's team conducted 1 security audit for ZenoCloud.[9][10][11][12]

Astra Security on the record

Sources

Astra Security full record

  1. [1]getastra.comAstra Security · getastra.com · undated page, accessed November 13, 2026 · Tier A
  2. [2]Astra Security Raises Funding to Simplify Cybersecurity With AI Driven PentestingBusiness Wire · businesswire.com · published February 5, 2025 · Tier A
  3. [3]Astra Security - AI Powered Continuous Pentest PlatformAstra Security · undated page, accessed November 13, 2026 · Tier A
  4. [4]Top VAPT Companies in DelhiAstra Security · undated page, accessed November 13, 2026 · Tier A
  5. [5]The State of Cloud Security 2026 | Astra WebinarAstra Security · undated page, accessed November 13, 2026 · Tier A
  6. [6]Fintech Penetration Testing | Secure Your Financial Platform with AstraAstra Security · undated page, accessed November 13, 2026 · Tier A
  7. [7]InsuranceAstra Security · undated page, accessed November 13, 2026 · Tier A
  8. [8]Security research and credentials of Astra's world-class security engineers & pentesters.Astra Security · undated page, accessed November 13, 2026 · Tier A
  9. [9]SaaS Security Audit & Pentest Checklist | AstraAstra Security · undated page, accessed November 13, 2026 · Tier A
  10. [10]International SOS Secures 200+ Apps with AstraAstra Security · undated page, accessed November 13, 2026 · Tier A
  11. [11]SmartWinnr is Security Smart With Astra SecurityAstra Security · undated page, accessed November 13, 2026 · Tier A
  12. [12]ServerGuy Case Study | Astra PentestAstra Security · undated page, accessed November 13, 2026 · Tier A

Tenable full record

  1. [1]About usTenable · tenable.com · undated page, accessed November 5, 2026 · Tier A
  2. [2]Vulnerability and exposure management | Cloud and AI security | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  3. [3]Tenable One Vulnerability Management | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  4. [4]Tenable One Pricing | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  5. [5]Tenable One exposure management platform and products | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  6. [6]AI security solutions | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  7. [7]ISO/IEC 27001/27002 | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  8. [8]Tenable One connectors | Tenable®Tenable · undated page, accessed November 10, 2026 · Tier A
  9. [9]Tenable Trust PortalTenable · undated page, accessed November 10, 2026 · Tier A
  10. [10]Tenable Vulnerability Management Reviews 2026G2 · undated page, accessed November 10, 2026 · Tier C
  11. [11]Tenable Reviews, Ratings & Features 2026Gartner Peer Insights · undated page, accessed November 10, 2026 · Tier C

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