# What does Avast Limited use? Avast Limited (avast.com) shows public evidence of 43 tools, according to runsonwhat (last checked 2026-10-23). - Industry: Computer Security - Size: 1,001–5,000 employees - Based in: Praha 4-Vinohrady, Czechia - Founded: 2013 - LinkedIn: https://www.linkedin.com/company/338514 ## Edge & Hosting | Tool | Category | Evidence | Since | |---|---|---|---| | [Cloudflare](https://www.runsonwhat.com/reverse/cloudflare) | CDN & Edge | Website code | | | [Amazon CloudFront](https://www.runsonwhat.com/reverse/cloudfront) | CDN & Edge | Custom domain | | | [Microsoft Azure](https://www.runsonwhat.com/reverse/azure) | Hosting & Cloud | Custom domain | | | [Akamai](https://www.runsonwhat.com/reverse/akamai) | CDN & Edge | Custom domain, DNS records, Website code | | ## Application | Tool | Category | Evidence | Since | |---|---|---|---| | [Cleverbridge](https://www.runsonwhat.com/reverse/cleverbridge) | Payments & Billing | Custom domain | | ## 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 | | | [Adobe Experience Platform Tags](https://www.runsonwhat.com/reverse/adobe-launch) | Data Pipeline | Website code | | | [Segment](https://www.runsonwhat.com/reverse/segment) | Analytics | DNS verification records, Website code | | | [Adobe Analytics](https://www.runsonwhat.com/reverse/adobe-analytics) | Analytics | Website code | | | [Adobe Experience Platform](https://www.runsonwhat.com/reverse/adobe-experience-platform) | Analytics | Website code | | | [Akamai mPulse](https://www.runsonwhat.com/reverse/akamai-mpulse) | Monitoring | Website code | | | [Adobe Target](https://www.runsonwhat.com/reverse/adobe-target) | Flags & Experiments | Website code | | | [Ensighten](https://www.runsonwhat.com/reverse/ensighten) | Analytics | Website code | | | [Site24x7](https://www.runsonwhat.com/reverse/site24x7) | Monitoring | DNS verification records | | | [Quantum Metric](https://www.runsonwhat.com/reverse/quantum-metric) | Analytics | Website code | | | [Rockerbox](https://www.runsonwhat.com/reverse/rockerbox) | Analytics | Website code | | ## Go-to-market | Tool | Category | Evidence | Since | |---|---|---|---| | [WordPress](https://www.runsonwhat.com/reverse/wordpress) | Website & CMS | Website code | | | [Google Ads](https://www.runsonwhat.com/reverse/google-ads) | Ads & Pixels | Website code | | | [Meta Pixel](https://www.runsonwhat.com/reverse/meta-pixel) | Ads & Pixels | Website code | | | [Microsoft Ads](https://www.runsonwhat.com/reverse/bing-ads) | Ads & Pixels | Website code | | | [LinkedIn Insight Tag](https://www.runsonwhat.com/reverse/linkedin-insight) | Ads & Pixels | Website code | | | [HubSpot](https://www.runsonwhat.com/reverse/hubspot) | Sales & CRM | Custom domain, Email records | 2019-03 | | [Zendesk](https://www.runsonwhat.com/reverse/zendesk) | Support & Docs | Email records | | | [Salesforce](https://www.runsonwhat.com/reverse/salesforce) | Sales & CRM | Custom domain | | | [HubSpot CMS](https://www.runsonwhat.com/reverse/hubspot-cms) | Website & CMS | Custom domain | 2019-03 | | [ChatGPT Ads](https://www.runsonwhat.com/reverse/chatgpt-ads) | Ads & Pixels | Website code | | | [Trustpilot](https://www.runsonwhat.com/reverse/trustpilot) | Marketing | Website code | | | [Adobe Audience Manager](https://www.runsonwhat.com/reverse/adobe-audience-manager) | Ads & Pixels | Website code | | | [Freshdesk](https://www.runsonwhat.com/reverse/freshdesk) | Support & Docs | Email records | | | [Adobe Advertising](https://www.runsonwhat.com/reverse/adobe-advertising) | Ads & Pixels | Website code | | | [Adobe Experience Manager](https://www.runsonwhat.com/reverse/adobe-aem) | Website & CMS | Website code | | | [Salesloft](https://www.runsonwhat.com/reverse/salesloft) | Sales & CRM | Custom domain | | | [UpSellit](https://www.runsonwhat.com/reverse/upsellit) | Marketing | Website code | | ## Company Ops | Tool | Category | Evidence | Since | |---|---|---|---| | [Microsoft 365](https://www.runsonwhat.com/reverse/microsoft-365) | Workspace | DNS verification records, Email records, Website code | | | [Google Workspace](https://www.runsonwhat.com/reverse/google-workspace) | Workspace | Email records | | | [Apple Business](https://www.runsonwhat.com/reverse/apple) | Workspace | DNS verification records | | | [Mailchimp Transactional](https://www.runsonwhat.com/reverse/mandrill) | Email Delivery | Email records | | | [OneTrust](https://www.runsonwhat.com/reverse/onetrust) | Security & Compliance | Website code | | | [Valimail](https://www.runsonwhat.com/reverse/valimail) | Security & Compliance | Email records | | | [KnowBe4](https://www.runsonwhat.com/reverse/knowbe4) | Security & Compliance | DNS verification records | | ## Recent changes at Avast Limited - 2026-10-08: started using [Site24x7](https://www.runsonwhat.com/reverse/site24x7) ## FAQ ### What tools does Avast use? As of October 2026, runsonwhat has found 43 tools at Avast (avast.com) in public records. Edge & Hosting: Cloudflare, Amazon CloudFront and Microsoft Azure. Application: Cleverbridge. Data & Observability: Google Analytics, Google Tag Manager and Adobe Experience Platform Tags. Go-to-market: WordPress, Google Ads and Meta Pixel. Company Ops: Microsoft 365, Google Workspace and Apple Business. Last checked October 23, 2026. ### What cloud does Avast run on? Avast uses Microsoft Azure for hosting and cloud infrastructure, according to runsonwhat (October 2026). runsonwhat found Microsoft Azure through a subdomain that points at Microsoft Azure. Microsoft Azure is used by 46,523 companies runsonwhat tracks. ### What CRM does Avast use? Avast uses HubSpot for its CRM, alongside Salesforce and Salesloft, according to runsonwhat (October 2026). runsonwhat found HubSpot through a subdomain that points at HubSpot and email records, and Avast has used it since at least March 2019. HubSpot is used by 93,592 companies runsonwhat tracks. ### What email provider does Avast use? Avast uses Microsoft 365 for email and office software, alongside Google Workspace and Apple Business, according to runsonwhat (October 2026). runsonwhat found Microsoft 365 through a DNS verification record for Microsoft 365 and email records. Microsoft 365 is used by 709,013 companies runsonwhat tracks. ### What does Avast use for customer support? Avast uses Zendesk for customer support and documentation, alongside Freshdesk, according to runsonwhat (October 2026). runsonwhat found Zendesk through email records that authorize Zendesk. Zendesk is used by 41,595 companies runsonwhat tracks. ### What payment provider does Avast use? Avast uses Cleverbridge for payments and billing, according to runsonwhat (October 2026). runsonwhat found Cleverbridge through a subdomain that points at Cleverbridge. Cleverbridge is used by 26 companies runsonwhat tracks. ### How long has Avast used HubSpot? Avast has used HubSpot since at least March 2019, going by the first public certificate of the avast.com subdomain that points at HubSpot. Other long-running tools at Avast include HubSpot CMS (since March 2019). ### Does Avast use Cloudflare? Yes. runsonwhat found Cloudflare at Avast through Cloudflare code on avast.com. Cloudflare is a CDN & Edge tool used by 700,796 companies runsonwhat tracks. ### Has Avast changed tools recently? Yes. On runsonwhat's rechecks, Avast started using Site24x7 (latest on October 8, 2026). A change counts only between two checks of avast.com done the same way. ### Which companies have a tech stack similar to Avast's? The companies with the stacks most like Avast's are Avira, VIPRE Security Group, AVG Technologies and VIPRE Security Group, according to runsonwhat (October 2026). Each shares 12 to 21 tools with Avast, and rare tools count for more than common ones like Google Workspace, so the match reflects real stack choices. ### How does runsonwhat know what Avast uses? runsonwhat reads public records only. Of the 43 tools at Avast, 23 were found through code on avast.com, 8 through subdomains that point at the vendor, 6 through DNS records, 5 through email records and 1 through website configuration files. A tool is listed only when a direct record backs it up; DNS is rechecked weekly and avast.com about monthly. --- Source: runsonwhat, https://www.runsonwhat.com/company/avast.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.