# What does Ossprey Security use? Ossprey Security (ossprey.com) shows public evidence of 28 tools, according to runsonwhat (last checked 2026-10-20). - Industry: Computer Security - Size: 1–10 employees - Based in: London, United Kingdom - Founded: 2024 - LinkedIn: https://www.linkedin.com/company/ossprey-security ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon Web Services](https://www.runsonwhat.com/reverse/aws) | Hosting & Cloud | Custom domain, Subprocessor list | | | [Namecheap](https://www.runsonwhat.com/reverse/namecheap) | DNS | DNS records | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Fonts](https://www.runsonwhat.com/reverse/google-fonts) | Media & UI | Website code | | | [React](https://www.runsonwhat.com/reverse/react) | Frontend | Website code | | | [Anthropic](https://www.runsonwhat.com/reverse/anthropic) | AI | DNS verification records, Subprocessor list | | | [OpenAI](https://www.runsonwhat.com/reverse/openai) | AI | Subprocessor list | | | [Auth0](https://www.runsonwhat.com/reverse/auth0) | Auth & Identity | Custom domain, Website config | | | [Okta](https://www.runsonwhat.com/reverse/okta) | Auth & Identity | Subprocessor list | | ## Data & Observability | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Analytics](https://www.runsonwhat.com/reverse/ga) | Analytics | Website code | | | [Google Tag Manager](https://www.runsonwhat.com/reverse/gtm) | Analytics | Website code | | | [Sentry](https://www.runsonwhat.com/reverse/sentry) | Monitoring | Subprocessor list | | | [PostHog](https://www.runsonwhat.com/reverse/posthog) | Analytics | Subprocessor list | | | [Better Stack](https://www.runsonwhat.com/reverse/betterstack) | Monitoring | Custom domain | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Email records, Website code | | | [Klaviyo](https://www.runsonwhat.com/reverse/klaviyo) | Marketing | DNS verification records, Website code, Subprocessor list | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | | | [LinkedIn](https://www.runsonwhat.com/reverse/linkedin) | Marketing | DNS verification records | | | [Framer](https://www.runsonwhat.com/reverse/framer) | Website & CMS | Custom domain, Website code | | | [ReadMe](https://www.runsonwhat.com/reverse/readme) | Support & Docs | Custom domain | | | [Bird](https://www.runsonwhat.com/reverse/bird) | Marketing | Subprocessor list | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | Email records, Subprocessor list, Website code | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [CookieYes](https://www.runsonwhat.com/reverse/cookieyes) | Security & Compliance | Website code | | | [Postmark](https://www.runsonwhat.com/reverse/postmark) | Email Delivery | Email records | | | [Loom](https://www.runsonwhat.com/reverse/loom) | Collaboration | Subprocessor list | | ## Recent changes at Ossprey Security - 2026-10-20: started using [Postmark](https://www.runsonwhat.com/reverse/postmark) ## FAQ ### What tools does Ossprey Security use? As of October 2026, runsonwhat has found 28 tools at Ossprey Security (ossprey.com) in public records. Edge & Hosting: Cloudflare, Amazon Web Services and Namecheap. Application: Google Fonts, React and Anthropic. Data & Observability: Google Analytics, Google Tag Manager and Sentry. Go-to-market: Google Ads, HubSpot and Klaviyo. Company Ops: Microsoft 365, Apple Business and CookieYes. Last checked October 20, 2026. ### What cloud does Ossprey Security run on? Ossprey Security uses Amazon Web Services for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Amazon Web Services through a subdomain that points at Amazon Web Services and its subprocessor list. Amazon Web Services is used by 145,587 companies runsonwhat tracks. ### What CRM does Ossprey Security use? Ossprey Security uses HubSpot for its CRM, according to runsonwhat (October 2026). runsonwhat found HubSpot through email records that authorize HubSpot and code on ossprey.com. HubSpot is used by 93,815 companies runsonwhat tracks. ### What email provider does Ossprey Security use? Ossprey Security uses Microsoft 365 for email and office software, alongside Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through email records that authorize Microsoft 365 and its subprocessor list. Microsoft 365 is used by 710,113 companies runsonwhat tracks. ### What does Ossprey Security use for customer support? Ossprey Security uses ReadMe for customer support and documentation, according to runsonwhat (October 2026). runsonwhat found ReadMe through a subdomain that points at ReadMe. ReadMe is used by 1,166 companies runsonwhat tracks. ### What analytics tools does Ossprey Security use? Ossprey Security uses Google Analytics for analytics, alongside Google Tag Manager and PostHog, according to runsonwhat (October 2026). runsonwhat found Google Analytics through Google Analytics code on ossprey.com. Google Analytics is used by 877,504 companies runsonwhat tracks. ### Does Ossprey Security use Google Fonts? Yes. runsonwhat found Google Fonts at Ossprey Security through Google Fonts code on ossprey.com. Google Fonts is a Media & UI tool used by 808,004 companies runsonwhat tracks. ### Does Ossprey Security use AI tools? Yes. runsonwhat has found Anthropic and OpenAI at Ossprey Security; Anthropic, for example, through a DNS verification record for Anthropic and its subprocessor list. AI services called only from servers leave no public trace, so Ossprey Security may use more AI tools than these. ### Has Ossprey Security changed tools recently? Yes. On runsonwhat's rechecks, Ossprey Security started using Postmark (latest on October 20, 2026). A change counts only between two checks of ossprey.com done the same way. ### Which companies have a tech stack similar to Ossprey Security's? The companies with the stacks most like Ossprey Security's are Guideline, Ometria, PagerDuty and PeerClick, according to runsonwhat (October 2026). Each shares 9 to 12 tools with Ossprey Security, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Ossprey Security uses? runsonwhat reads public records only. Of the 28 tools at Ossprey Security, 7 were found through code on ossprey.com, 6 through DNS records, 6 through subdomains that point at the vendor, 6 through its own subprocessor list and 3 through email records. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and ossprey.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/ossprey.com (updated October 2026). Counts are companies with direct public evidence of the tool (DNS records, certificates, website code, a real-browser crawl, subprocessor lists), so they are lower bounds. Methodology: https://www.runsonwhat.com/methodology.