CISO Tribune

Vendor comparison · 2 companies

Red Sentry vs Rival Security

Red Sentry sells offensive security services, from one-off penetration tests to ongoing PTaaS (Penetration Testing as a Service) partnerships. Rival Security sells the Agent Harness, a platform that gives customers the capabilities and context to run security agents. 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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  • Red Sentry
  • Rival Security
Red Sentry vs Rival Security: 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.comRival SecurityRival Security sells the Agent Harness, a platform that gives customers the capabilities and context to run security agents.rival.security
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.
  • Agent Harness[2][3]A platform for running security agents with the context of a customer's cloud, code and scanners.
Categories
Headquarters
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Founded
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Ownership and funding
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Named customers
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Recent news
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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.Not written yet
Last verified
November 13, 2026November 5, 2026

Where they overlap

  • Red Sentry and Rival Security are both filed under Vulnerability management.

Where they differ, field by field

  • Red Sentry's primary category is Penetration testing and red team services; Rival Security's is Exposure prioritisation and CTEM.
  • Red Sentry is also filed under Breach simulation and automated pen-testing. Rival Security is also filed under AI SOC analysts.
  • Red Sentry lists PTaaS, Source Code Review, Red Teaming and Physical Security Assessment. Rival Security lists Agent Harness.

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: Rival Security

What Agent Harness does[2][3]
Every agent runs on Rival's Agent Harness. Agent Harness reads the context of a customer's cloud, code and scanners and hands the work to specialist subagents.

Questions about Red Sentry and Rival Security

What do Red Sentry and Rival Security sell?
Red Sentry sells PTaaS, Source Code Review, Red Teaming and Physical Security Assessment. Rival Security sells Agent Harness.
Are Red Sentry and Rival Security in the same category?
They share Vulnerability management. Red Sentry's primary category is Penetration testing and red team services and Rival Security's is Exposure prioritisation and CTEM.
Who are Red Sentry and Rival Security sold to?
From its own pages, Red Sentry sells its testing services to organizations of all sizes.

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

Rival Security full record

  1. [1]TermsRival Security · rival.security · published July 1, 2026 · Tier A
  2. [2]rival.securityRival Security · rival.security · undated page, accessed November 5, 2026 · Tier A
  3. [3]Rival Security: The agent harness for cybersecurityRival Security · undated page, accessed November 10, 2026 · Tier A

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