CISO Tribune

Vendor comparison · 2 companies

Red Sentry vs Tenzai

Red Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships. Tenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software. CISO Tribune files both under Penetration testing and red team services and Breach simulation and automated pen-testing. 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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  • Red Sentry
  • Tenzai
Red Sentry vs Tenzai: Products, Customers and Funding Compared
Red SentryRed Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships.redsentry.comTenzaiTenzai sells an AI agentic penetration testing platform that hacks, exploits and fixes vulnerabilities across enterprise software.tenzai.com
What it sells
  • PTaaS[1][3][5]A platform that gives teams a central place to track findings, remediation, retesting, communication, and report delivery.
  • Source Code Review[7]Tool-assisted static analysis paired with manual security review and validation.
  • Red Teaming[4]A simulated full-scale attack that tests an organization's people, processes, and technology.
  • Physical Security Assessment[9]Tests whether physical controls, people, and processes prevent unauthorized access to agreed locations and objectives.
  • Tenzai[1][3][4][5]An AI agentic penetration testing platform for enterprise software. It discovers exploitable attack chains across web app, mobile, AI, external and internal network attack surfaces.
Categories
Headquarters
Not stated on its pagesNot stated on its pages
Founded
Not stated on its pages2025[2][4][5]
Ownership and funding
Not stated on its pagesPrivately held[3]
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
  • G2: Not stated on its pages
  • Gartner Peer Insights: Not stated on its pages
Who it fits
From its own pages, Red Sentry sells its testing services to organizations of all sizes. For mature security teams, Red Sentry offers advanced Red Teaming and adversary simulation. Red Sentry addresses buyers whose auditors require more than a scan. Red Sentry reviews both traditionally developed and AI-assisted codebases.Its pages describe an application security team that tests APIs reaching PCI-scoped and critical systems. Tenzai is also described as a way for teams to verify scanner and bug-bounty findings and gather evidence for follow-up. Security teams can match sets of frontier and open-weight models to each test type or application risk level.
Last verified
November 13, 2026November 8, 2026

Where they overlap

  • Red Sentry and Tenzai are both filed under Penetration testing and red team services and Breach simulation and automated pen-testing.

Where they differ, field by field

  • Red Sentry's primary category is Penetration testing and red team services; Tenzai's is Breach simulation and automated pen-testing.
  • Red Sentry is also filed under Vulnerability management.
  • Red Sentry lists PTaaS, Source Code Review, Red Teaming and Physical Security Assessment. Tenzai lists Tenzai.
  • Tenzai was founded in 2025.
  • Tenzai is privately held.

What it sells: Red Sentry

What PTaaS does[1][3][5]
PTaaS means penetration testing as a service. Every Red Sentry engagement includes full access to the PTaaS platform at no extra cost. The platform offers Jira integration for pushing remediation tickets to engineering teams. Portal access lets teams track project status, access reports and evidence, and manage remediation.
What Source Code Review does[7]
Source code review is a standalone Red Sentry service. Red Sentry reviews traditionally developed and AI-assisted codebases using the same human-led security review process. One round of remediation testing is included when requested within 90 days of report delivery, unless otherwise scoped.
What Red Teaming does[4]
Red Sentry follows the MITRE ATT&CK framework to simulate the entire lifecycle of a breach. Red team work includes testing endpoint protection (EDR/AV) by attempting to execute custom malware or tools. Red Sentry collaborates with the Blue Team to explain how controls were bypassed.
What Physical Security Assessment does[9]
Physical security assessment is a standalone Red Sentry service. Red Sentry agrees written authorization and rules of engagement before testing starts. Findings are documented with photographic evidence, steps to recreate them, severity, and remediation guidance.

What it sells: Tenzai

What Tenzai does[1][3][4][5]
Tenzai's agents are engineered to learn the business purpose and workflows of applications. Tenzai starts autonomous tests in black, gray or white box modes. Tenzai blocks exploitation with a hardened WAF rule that is validated for the customer's environment, ahead of a permanent fix. Tenzai offers step-by-step guidance, coding-assistant prompts and ticket creation for remediation.

Questions about Red Sentry and Tenzai

What do Red Sentry and Tenzai sell?
Red Sentry sells PTaaS, Source Code Review, Red Teaming and Physical Security Assessment. Tenzai sells Tenzai.
Are Red Sentry and Tenzai in the same category?
They share Penetration testing and red team services and Breach simulation and automated pen-testing. Red Sentry's primary category is Penetration testing and red team services and Tenzai's is Breach simulation and automated pen-testing.
When were Red Sentry and Tenzai founded?
Tenzai was founded in 2025.
Who owns Red Sentry and Tenzai?
Tenzai is privately held.
Who are Red Sentry and Tenzai sold to?
From its own pages, Red Sentry sells its testing services to organizations of all sizes. Its pages describe an application security team that tests APIs reaching PCI-scoped and critical systems.

About Red Sentry

Red Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships. Red Sentry supports web application, API, network, cloud, compliance-focused, and PTaaS engagements. Red Sentry combines tooling with human-led testing to uncover business logic, chained vulnerabilities, and real-world exploit paths. The core penetration testing from Red Sentry covers web, network, and cloud assets to meet SOC 2 and ISO standards. For mature security teams, Red Sentry offers advanced Red Teaming and adversary simulation.[1][3][5][6]

Red Sentry assesses iOS and Android apps for flaws such as insecure data handling, API abuse, and authentication bypasses. In web application penetration testing, Red Sentry attempts to view other users' data (IDOR) or escalate privileges to Admin status by manipulating requests. Red Sentry source code review pairs tool-assisted static analysis with manual security review and validation. Red Sentry offers source code review as a standalone service. Red Sentry may support additional languages, including Solidity, Scala, and Perl, in source code reviews, depending on scope, technology, and reviewer availability.[5][7]

For infrastructure, Red Sentry tests public-facing IPs and services without credentials in external network testing. Red Sentry simulates threats originating from stolen credentials, insider threats, or compromised devices. In cloud testing, Red Sentry combines configuration review with active exploitation. Red Sentry physical security assessment tests whether physical controls, people, and processes prevent unauthorized access to agreed locations and objectives. Red Sentry offers the physical security assessment as a standalone service.[8][9]

Red Sentry describes a Red Team Operation as a simulated full-scale attack that tests an organization's people, processes, and technology. Red Sentry follows the MITRE ATT&CK framework to simulate the entire lifecycle of a breach. Red Sentry red teams collaborate with the Blue Team to explain exactly how controls were bypassed. Red Sentry social engineering campaigns measure a team's security awareness by simulating the tactics used by ransomware gangs and APT groups. Red Sentry runs phone-based attacks to test staff handling of sensitive info. Red Sentry social engineering reporting includes a breakdown of who opened, who clicked, and who submitted data.[10][11]

Red Sentry delivers its work through a PTaaS platform. PTaaS means penetration testing as a service, and it gives teams a central place to track findings, remediation, retesting, communication, and report delivery. Every Red Sentry engagement includes full access to the PTaaS platform at no extra cost. Red Sentry portal access lets teams track project status, access reports and evidence, communicate with the project team, and manage remediation. Red Sentry reports include clear reproduction steps, often with video or screenshots. Red Sentry manually validates reported findings and demonstrates exploitability where appropriate.[1][3][5][6][12]

Red Sentry includes one round of remediation testing for source code review findings when requested within 90 days of report delivery. Red Sentry makes one round of remediation testing available for API testing findings when requested within 90 days of report delivery. In network testing, Red Sentry verifies fixes and does not charge extra to double-check its work. Red Sentry physical assessments do not include remediation testing by default.[2][6][7][9][13]

On compliance, Red Sentry maps every finding directly to the audit framework of the client. Red Sentry helps organizations work out which assessments their SOC 2 environment needs, then runs them by hand from scoping to final report. Red Sentry reports include an executive summary, full technical findings mapped to Trust Services Criteria, reproducible steps, prioritized remediation guidance, a Letter of Attestation when applicable, and one complimentary retest. Red Sentry locks scope and pricing before testing starts. Red Sentry offers specialized testing to secure Cardholder Data Environments (CDE). Red Sentry provides technical testing and supporting evidence, and the client's auditor determines compliance.[1][6][9][12][14]

Red Sentry has completed a SOC 2 Type II examination conducted by an independent CPA firm. Red Sentry testers hold certifications such as OSCP, CISSP, CREST, and CCSP.[3][5][6][7][9][10][11][12][14]

Red Sentry on the record

Sources

Red Sentry full record

  1. [1]redsentry.comRed Sentry · redsentry.com · undated page, accessed November 13, 2026 · Tier A
  2. [2]DetailsRed Sentry · app.redsentry.com · undated page, accessed November 13, 2026 · Tier A
  3. [3]Red Sentry | Human-Led Penetration Testing & PTaaSRed Sentry · undated page, accessed November 13, 2026 · Tier A
  4. [4]Penetration Testing & Offensive Security Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  5. [5]Web Application Penetration Testing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  6. [6]API Penetration Testing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  7. [7]Secure Code Review Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  8. [8]Cloud Penetration Testing (AWS, Azure, GCP) | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  9. [9]Physical Security Pentesting | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  10. [10]Red Teaming Services: Objective-Based Attack Sims | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  11. [11]Social Engineering & Phishing Services | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  12. [12]SOC 2 Penetration Testing Support | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  13. [13]Network Pen Testing (Internal & External) | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A
  14. [14]Pen Testing Services for Modern Organizations | Red SentryRed Sentry · undated page, accessed November 13, 2026 · Tier A

Tenzai full record

  1. [1]Ahead partners with tenzai to strengthen cyber resilience with ai enabled penetration testingTenzai · tenzai.com · published July 23, 2026 · Tier A
  2. [2]tenzai.comTenzai · tenzai.com · undated page, accessed November 8, 2026 · Tier A
  3. [3]Tenzai: Your ultimate AI hacker teammateTenzai · undated page, accessed November 8, 2026 · Tier A
  4. [4]About Tenzai | AI Hacker for Autonomous PentestingTenzai · undated page, accessed November 10, 2026 · Tier A
  5. [5]Tenzai | AI Hacker for EnterpriseTenzai · undated page, accessed November 10, 2026 · Tier A

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