CISO Tribune

Vendor comparison · 2 companies

Data Theorem vs Fidelis

Data Theorem sells application security products that secure code, mobile apps, APIs and cloud. Fidelis sells a range of solutions that includes XDR, NDR, EDR and CNAPP, offered for proactive cyber defense. CISO Tribune files both under Cloud-native application protection (CNAPP). 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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  • Data Theorem
  • Fidelis
Data Theorem vs Fidelis: Products, Customers and Funding Compared
Data TheoremData Theorem sells application security products that secure code, mobile apps, APIs and cloud.datatheorem.comFidelisFidelis sells a range of solutions that includes XDR, NDR, EDR and CNAPP, offered for proactive cyber defense.fidelissecurity.com
What it sells
  • Mobile Secure[2][6][8]Automated security and privacy testing for every iOS and Android release.
  • Mobile Protect[2][3][7][13]Mobile Protect defends the app on the device.
  • Code SAST Secure[3][5][8][14][16]SAST, SCA and SBOM across every repo, in more than 20 languages.
  • API Secure[2][5][8][13][15]API Secure discovers every REST, GraphQL, gRPC, SOAP and serverless API.
  • Cloud Secure[2][5][8][16]Cloud Secure extends API Secure into the cloud your APIs and apps run on.
  • Fidelis Elevate[3][4]Fidelis Elevate is an XDR platform. Fidelis Elevate correlates threats across network, endpoint and cloud.
  • Fidelis Network[1][3][4]Fidelis Network is an NDR platform with network traffic analysis and network behaviour anomaly detection.
  • Fidelis Endpoint[1][3][4]Fidelis Endpoint is an EDR solution that gives hands-on control to pinpoint and eradicate threats.
  • Fidelis Deception[1][3][4]Fidelis Deception delivers alerts and events from decoys, AD credentials, poisoned data and suspicious traffic.
  • Fidelis Active Directory Intercept[1][3][4]Fidelis Active Directory Intercept combines an AD-aware NDR platform with Active Directory deception technology.
Categories
Headquarters
Palo Alto, United States[1]Not stated on its pages
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesNot stated on its pages
Named customers
Not stated on its pagesNot stated on its pages
Recent news
  • June 30, 2026Data Theorem launched three AI security capabilities that together form a closed-loop platform covering exploit discovery, remediation, and runtime defense.[17]
Not stated on its pages
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[10]
  • 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, the company sells to teams that need to find every app, API and cloud resource, including the ones nobody told security about. It addresses teams that want to catch issues in code and the pipeline and hand auditors reports built from real scans. Game publishers are addressed with Mobile Protect for Gaming, which stops cheats, tampering and clones in the game.A hospital is named as a customer that uses Fidelis Security for network security. Fidelis describes continuous monitoring and protection for legal and healthcare data. Fidelis Halo is a platform for protection and compliance across cloud, hybrid and on-premises workloads. Fidelis Endpoint provides EDR protection on-premises and in the cloud.
Last verified
September 27, 2026November 6, 2026

Where they overlap

  • Data Theorem and Fidelis are both filed under Cloud-native application protection (CNAPP).

Where they differ, field by field

  • Data Theorem's primary category is API security; Fidelis's is EDR and XDR.
  • Data Theorem is also filed under Static application security testing and Mobile security. Fidelis is also filed under Network detection and response and Deception technology.
  • Data Theorem lists Mobile Secure, Mobile Protect, Code SAST Secure, API Secure and Cloud Secure. Fidelis lists Fidelis Elevate, Fidelis Network, Fidelis Endpoint, Fidelis Deception and Fidelis Active Directory Intercept.
  • Data Theorem is headquartered in Palo Alto, United States.

What it sells: Data Theorem

What Mobile Secure does[2][6][8]
Mobile Secure provides automated security and privacy testing for every iOS and Android release. Mobile Secure signs in to your apps and tests every screen of every release.
What Mobile Protect does[2][3][7][13]
Mobile Protect blocks hooking frameworks, debuggers and re-signed copies inside the app. Mobile Protect scores every session and flags likely fraud to your team. Mobile Protect includes SSL pinning built on TrustKit.
What Code SAST Secure does[3][5][8][14][16]
Code SAST Secure scans your code and dependencies. Code SAST Secure secures your code, open source libraries and vendor SBOMs in one place. Code SAST Secure catches infrastructure as code misconfigurations in the repository, before they ship.
What API Secure does[2][5][8][13][15]
API Secure scores every operation on its own across authentication. API Secure probes your APIs from outside, then signs in as two different users. API Secure spots the abuse and tells the WAF you already run what to block.
What Cloud Secure does[2][5][8][16]
Cloud Secure covers the resources, roles and data behind the APIs. Cloud Secure runs the same IaC checks on what is deployed, and secures the containers and registry images your APIs and apps run on.

What it sells: Fidelis

What Fidelis Elevate does[3][4]
Fidelis Elevate is an XDR platform. Fidelis Elevate correlates threats across network, endpoint and cloud. Fidelis Elevate automates detection and response workflows.
What Fidelis Network does[1][3][4]
Fidelis Network is an NDR platform with network traffic analysis and network behaviour anomaly detection across all ports and protocols. Fidelis Network retains metadata for up to 360 days to support investigations and compliance.
What Fidelis Deception does[1][3][4]
Fidelis Deception delivers alerts and events from decoys, AD credentials, poisoned data and suspicious traffic. Fidelis Deception monitors IoT and cloud resources as deceptive objects.
What Fidelis Active Directory Intercept does[1][3][4]
Fidelis Active Directory Intercept combines an AD-aware NDR platform, integrated Active Directory deception technology and foundational AD log and event monitoring. Fidelis Active Directory Intercept monitors for suspicious changes and privilege escalation attempts.

Questions about Data Theorem and Fidelis

What do Data Theorem and Fidelis sell?
Data Theorem sells Mobile Secure, Mobile Protect, Code SAST Secure, API Secure and Cloud Secure. Fidelis sells Fidelis Elevate, Fidelis Network, Fidelis Endpoint, Fidelis Deception and Fidelis Active Directory Intercept.
Are Data Theorem and Fidelis in the same category?
They share Cloud-native application protection (CNAPP). Data Theorem's primary category is API security and Fidelis's is EDR and XDR.
Where are Data Theorem and Fidelis headquartered?
Data Theorem is headquartered in Palo Alto, United States.
Who are Data Theorem and Fidelis sold to?
From its own pages, the company sells to teams that need to find every app, API and cloud resource, including the ones nobody told security about. A hospital is named as a customer that uses Fidelis Security for network security.
What have Data Theorem and Fidelis announced recently?
June 30, 2026: Data Theorem launched three AI security capabilities that together form a closed-loop platform covering exploit discovery, remediation, and runtime defense.

About Data Theorem

Data Theorem sells application security products that secure code, mobile apps, APIs and cloud. Data Theorem describes itself as an application security company. Customers can start with one Data Theorem product and add the rest on the same portal.[2][3][8][11]

Since 2013, Data Theorem has focused on preventing AppSec data breaches across apps, APIs and the cloud behind them. Data Theorem's information security management system is certified to ISO/IEC 27001:2022 and independently audited every year.[11]

Mobile Secure provides automated security and privacy testing for every iOS and Android release. Mobile Secure signs in to your apps and tests every screen of every release. Mobile Protect defends the app on the device. Mobile Protect blocks hooking frameworks, debuggers and re-signed copies inside the app. Mobile Protect scores every session and flags likely fraud to your team. Mobile Protect detects the overlay and the automation, and blocks memory scraping. Mobile Protect includes SSL pinning built on TrustKit.[8][13]

Code SAST Secure covers SAST, SCA and SBOM across every repo, in more than 20 languages. Code SAST Secure scans your code and dependencies. Code SAST Secure secures your code, open source libraries and vendor SBOMs in one place. API Secure discovers every REST, GraphQL, gRPC, SOAP and serverless API. API Secure scores every operation on its own across authentication. API Secure probes your APIs from outside, then signs in as two different users. API Secure spots the abuse and tells the WAF you already run what to block.[3][8][13][14][15]

Cloud Secure extends API Secure into the cloud your APIs and apps run on. Cloud Secure covers the resources, roles and data behind the APIs. Cloud Secure runs the same IaC checks on what is deployed, and secures the containers and registry images your APIs and apps run on.[8][16]

AI Exploits find the chains attackers would use, AI Auto-Remediation hands the fix to your coding agent, and AI Active Protection blocks the attack until the fix ships. ARCANE, short for AI-analysis of Runtime Code Across Native Environments, thinks like an AI attacker. Audit-ready reports for SOC 2, ISO, PCI DSS, HIPAA, OWASP and more are built from the latest tests and scans.[3][4][8][9][16]

Data Theorem on the record

Sources

Data Theorem full record

  1. [1]Data theorem unveils code secure fully integrated ast product with sast sca and sbom management 302269428Data Theorem via PR Newswire · prnewswire.com · published October 8, 2024 · Tier A
  2. [2]datatheorem.comData Theorem · datatheorem.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]Solutions | Data TheoremData Theorem · undated page, accessed October 24, 2026 · Tier A
  4. [4]DevSecOps: Security in Every Stage, From Code to Runtime | Data TheoremData Theorem · undated page, accessed October 24, 2026 · Tier A
  5. [5]Products | Data TheoremData Theorem · undated page, accessed October 24, 2026 · Tier A
  6. [6]Mobile SecureData Theorem · undated page, accessed October 24, 2026 · Tier A
  7. [7]Mobile ProtectData Theorem · undated page, accessed October 24, 2026 · Tier A
  8. [8]Data Theorem | AppSec | API Security | Cloud SecurityData Theorem · undated page, accessed October 24, 2026 · Tier A
  9. [9]ASPM: Application Security Posture Management | Data TheoremData Theorem · undated page, accessed October 24, 2026 · Tier A
  10. [10]Data Theorem Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 24, 2026 · Tier C
  11. [11]Regulatory Compliance | Audit-Ready Reports | Data TheoremData Theorem · undated page, accessed November 3, 2026 · Tier A
  12. [12]AI-Driven Application Security (AppSec) | Data TheoremData Theorem · undated page, accessed November 3, 2026 · Tier A
  13. [13]AI Runtime Protection for Apps and APIs | Data TheoremData Theorem · undated page, accessed November 3, 2026 · Tier A
  14. [14]Code SAST Secure: SAST, SCA, SBOM and AI Auto-RemediationData Theorem · undated page, accessed November 3, 2026 · Tier A
  15. [15]API Security Testing and Runtime Protection | API SecureData Theorem · undated page, accessed November 3, 2026 · Tier A
  16. [16]Cloud Security for APIs and Cloud-Native Apps | Cloud SecureData Theorem · undated page, accessed November 3, 2026 · Tier A
  17. [17]Data Theorem Launches the Industry’s First Closed-Loop AI Security PlatformData Theorem · published June 30, 2026 · Tier A

Fidelis full record

  1. [1]fidelissecurity.comFidelis Security · fidelissecurity.com · undated page, accessed November 6, 2026 · Tier A
  2. [2]AboutFidelis Security · fidelissecurity.com · undated page, accessed November 6, 2026 · Tier A
  3. [3]Fidelis Security: Detect, Investigate, Hunt, Respond 9x FasterFidelis Security · undated page, accessed November 10, 2026 · Tier A
  4. [4]Top Cybersecurity Solutions | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A
  5. [5]Trust Center - Commitment to Your Security | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A
  6. [6]Service & Support | Fidelis SecurityFidelis Security · undated page, accessed November 10, 2026 · Tier A

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