Worldwide domain rankings
Most Popular Security and Privacy Domains
Compare security products, privacy services and web-protection infrastructure. Some domains support automated network activity, so the ranking reflects broader domain popularity, not just website visits.
18 selected domains
17 currently in the Top 1,000
Snapshot: November 1, 2026
DigiCert (#72) ranks highest among these selected security & privacy domains, followed by Cloudflare DNS (#140).
Compare website rankings
Ranks are worldwide domain positions, not a separate ranking within this category. The category is a selected collection, not a complete list of every website in the field.
| Worldwide rank | Website | What it does |
|---|---|---|
| #72 | DigiCertdigicert.com | DigiCert issues digital certificates and offers certificate lifecycle and internet trust services. |
| #140 | Cloudflare DNScloudflare-dns.com | Cloudflare DNS supports DNS resolution and security-related network services. |
| #171 | Kasperskykaspersky.com | Kaspersky provides consumer and enterprise cybersecurity and antivirus products. |
| #231 | hCaptchahcaptcha.com | hCaptcha provides website bot protection and human-verification challenges. |
| #315 | Avastavast.com | Avast produces security software including antivirus and online protection products. |
| #357 | Check Pointcheckpoint.com | Check Point provides network, cloud and endpoint security solutions. |
| #369 | Palo Alto Networkspaloaltonetworks.com | Palo Alto Networks provides enterprise network, cloud and security operations products. |
| #371 | OpenDNSopendns.com | OpenDNS offers DNS-based network filtering and security services. |
| #398 | Oktaokta.com | Okta provides identity management, single sign-on and authentication services for organizations. |
| #474 | McAfeemcafee.com | McAfee offers consumer cybersecurity software and identity protection. |
| #502 | Trend Microtrendmicro.com | Trend Micro develops cybersecurity products for individuals and organizations. |
| #592 | ESETeset.com | ESET develops antivirus, endpoint protection and security software. |
| #637 | Sophossophos.com | Sophos provides cybersecurity software and managed protection for businesses. |
| #645 | OneTrustonetrust.com | OneTrust provides privacy, consent and data governance management software. |
| #761 | GlobalSignglobalsign.com | GlobalSign issues digital certificates and identity-related security services. |
| #855 | Auth0auth0.com | Auth0 provides identity and authentication services for websites and applications. |
| #936 | Spamhausspamhaus.org | Spamhaus publishes threat intelligence and blocklists used to identify spam and malicious networks. |
| Outside Top 1,000 | Bitdefenderbitdefender.net | Bitdefender's network domains support its cybersecurity products and services. |
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