CISO Tribune

Vendor comparison · 2 companies

Data Theorem vs Fastly

Data Theorem sells application security products that secure code, mobile apps, APIs and cloud. Fastly is an edge cloud platform that helps companies deliver fast, secure, and reliable digital experiences. CISO Tribune files both under API security. 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
  • Fastly
Data Theorem vs Fastly: Products, Customers and Funding Compared
Data TheoremData Theorem sells application security products that secure code, mobile apps, APIs and cloud.datatheorem.comFastlyFastly is an edge cloud platform that helps companies deliver fast, secure, and reliable digital experiences.fastly.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.
  • Next-Gen WAF[2][9][11]A web application firewall that monitors suspicious and anomalous web traffic.
  • DDoS Protection[5][6][10]Real-time visibility into and defense against common DDoS attacks.
  • API Discovery[10]A continuously-updating record of incoming API requests.
  • Managed Security[5][11]24/7 expert-managed WAF, bot, and DDoS threat protection.
  • AI Runtime Control[7][12]A unified control plane between applications and AI models.
  • Managed CDN[5]Fastly's managed cloud CDN deployed inside the customer's own network.
  • Professional Services[5]Expert help to migrate or optimize a delivery service.
Categories
Headquarters
Palo Alto, United States[1]San Francisco, United States[4]
Founded
Not stated on its pagesNot stated on its pages
Ownership and funding
Not stated on its pagesPublic (NYSE: FSLY)[1][8]
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]
  • September 28, 2026Comcast and Fastly are working with NBCUniversal to run Fastly delivery software on Comcast's network for live streaming events on Peacock.[18]
  • September 21, 2026Fastly announced AI Runtime Control, AI Firewall and new API Security capabilities aimed at giving organizations visibility and control across their AI systems.[7]
  • June 10, 2026Fastly and Skyfire announced a partnership under which Skyfire integrated its identity and payment-backed credentials into Fastly's edge cloud platform.[19]
G2 and Gartner Peer Insights
  • G2: listed, seen November 3, 2026[10]
  • Gartner Peer Insights: Not stated on its pages
  • G2: listed, seen November 3, 2026[8]
  • 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.From its own pages, Fastly sells mainly to developers, security teams, and digital businesses. Fastly says its security products protect applications, APIs, and microservices, wherever they live. Fastly says it powers media brands with an open edge cloud platform for live and on-demand entertainment. Fastly Next-Gen WAF can be deployed in three different ways, including directly on customers' own web servers. Managed Security Professional is sold to customers that purchase Fastly Full-Site Delivery and Network Services Enterprise Support, along with either Next-Gen WAF or Edge Rate Limiting.
Last verified
September 27, 2026September 27, 2026

Where they overlap

  • Data Theorem and Fastly are both filed under API security.
  • Both are headquartered in the United States.

Where they differ, field by field

  • Data Theorem's primary category is API security; Fastly's is WAF and WAAP.
  • Data Theorem is also filed under Static application security testing, Mobile security and Cloud-native application protection (CNAPP). Fastly is also filed under DDoS protection and Bot and abuse management.
  • Data Theorem lists Mobile Secure, Mobile Protect, Code SAST Secure, API Secure and Cloud Secure. Fastly lists Next-Gen WAF, DDoS Protection, API Discovery, Managed Security, AI Runtime Control and 2 more.
  • Data Theorem is headquartered in Palo Alto, United States. Fastly is headquartered in San Francisco, United States.
  • Fastly is a public company listed on NYSE as FSLY.

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: Fastly

What Next-Gen WAF does[2][9][11]
Fastly Next-Gen WAF protects, in real-time, against attacks directed at the applications and origin servers that customers specify. Next-Gen WAF can be deployed in three different ways. Next-Gen WAF continues to be powered by Signal Sciences technology.
What DDoS Protection does[5][6][10]
Fastly DDoS Protection provides real-time visibility into and defense against common Distributed Denial of Service (DDoS) attacks. Fastly describes it as keeping customers performant and available without any required configuration.
What Managed Security does[5][11]
Fastly describes Managed Security as 24/7 expert-managed WAF, bot, and DDoS threat protection. Managed Security Professional provides continuous monitoring of included Fastly security products and proactive action by Fastly in the event of an identified security incident. Managed Security Professional includes enhanced access to Fastly's Customer Security Operations Center (CSOC).
What AI Runtime Control does[7][12]
ARC is a unified control plane that sits between applications and AI models, giving centralized visibility, governance, and control over all AI traffic. AI Firewall is a security module within ARC that protects AI-powered applications from prompt injection attacks with near-zero latency impact.

Questions about Data Theorem and Fastly

What do Data Theorem and Fastly sell?
Data Theorem sells Mobile Secure, Mobile Protect, Code SAST Secure, API Secure and Cloud Secure. Fastly sells Next-Gen WAF, DDoS Protection, API Discovery, Managed Security, AI Runtime Control and 2 more.
Are Data Theorem and Fastly in the same category?
They share API security. Data Theorem's primary category is API security and Fastly's is WAF and WAAP.
Where are Data Theorem and Fastly headquartered?
Data Theorem is headquartered in Palo Alto, United States. Fastly is headquartered in San Francisco, United States.
Who owns Data Theorem and Fastly?
Fastly is a public company listed on NYSE as FSLY.
Who are Data Theorem and Fastly 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. From its own pages, Fastly sells mainly to developers, security teams, and digital businesses.
What have Data Theorem and Fastly 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. September 28, 2026: Comcast and Fastly are working with NBCUniversal to run Fastly delivery software on Comcast's network for live streaming events on Peacock.

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

Fastly full record

  1. [1]Fastly Announces Acquisition of GlitchFastly via Business Wire · businesswire.com · published May 19, 2022 · Tier A
  2. [2]Web application api protectionFastly · fastly.com · undated page, accessed September 27, 2026 · Tier A
  3. [3]SecureFastly · fastly.com · undated page, accessed September 27, 2026 · Tier A
  4. [4]Fsly 20241231Fastly, Inc. via SEC EDGAR (Form 10-K) · sec.gov · published February 25, 2025 · Tier A
  5. [5]Powering the best of the internet | FastlyFastly · undated page, accessed October 25, 2026 · Tier A
  6. [6]Fastly Edge Cloud Platform | FastlyFastly · undated page, accessed October 25, 2026 · Tier A
  7. [7]Fastly Launches AI Firewall and AI Runtime Control to Secure and Scale AIFastly, Inc. (Business Wire) · published September 21, 2026 · Tier A
  8. [8]Fastly Content Delivery Reviews 2026: Details, Pricing, & Features | G2G2 · undated page, accessed October 25, 2026 · Tier C
  9. [9]Fastly Next-Gen WAF | Fastly ProductsFastly · undated page, accessed November 3, 2026 · Tier A
  10. [10]Security | Fastly DocumentationFastly · undated page, accessed November 3, 2026 · Tier A
  11. [11]Managed Security Professional | Fastly ProductsFastly · undated page, accessed November 3, 2026 · Tier A
  12. [12]Fastly ARC | AI Runtime Control | FastlyFastly · undated page, accessed November 3, 2026 · Tier A
  13. [13]Compute | Fastly ProductsFastly · undated page, accessed November 3, 2026 · Tier A
  14. [14]Products | Fastly DocumentationFastly · undated page, accessed November 3, 2026 · Tier A
  15. [15]Platform TLS | Fastly ProductsFastly · undated page, accessed November 3, 2026 · Tier A
  16. [16]Origin Inspector | Fastly ProductsFastly · undated page, accessed November 3, 2026 · Tier A
  17. [17]Domain Research API | FastlyFastly · undated page, accessed November 3, 2026 · Tier A
  18. [18]Comcast and Fastly’s New Content Delivery Model Powers Highest Quality Experience for Peacock’s Biggest Live EventsFastly · published September 28, 2026 · Tier A
  19. [19]Fastly and Skyfire Partner to Enable Trusted Agentic Commerce with Verified Identity at the EdgeFastly · published June 10, 2026 · Tier A

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