Alternatives and competitors
Sites like Zscaler
The 20 closest cloud security alternatives to Zscaler, ranked by what they actually offer, and the 18 technologies behind it.
Looking for an alternative to Zscaler? The closest matches are ThreatLocker, bsclink.cn and Tailscale. We match sites by what they actually offer, from their homepages, Wikidata and a summary by Claude, in any language. Vote on each alternative and leave a short note to help the next person choose.
- Neighbours
- k = 20
- Sites searched
- 4,032
- Vector
- 384-d
- Query
- 12 ms
01 · Entity
About Zscaler
Zscaler zscaler.com
Leading Cloud Enterprise Security Provider for Zero Trust
Zscaler is a leading cloud enterprise security provider helping global businesses adopt zero trust for secure digital transformation.
Wikidata: American Cybersecurity Company
Summary by Claude
Zscaler provides cloud-delivered enterprise security services based on zero trust, including secure web gateway, zero trust network access, data protection, and threat intelligence through its Zero Trust Exchange platform.
- Who it’s for
- Large enterprises and IT security teams
- Business model
- Subscriptions
02 · Embedding space
Competitor map
Each alternative by how close its vector is to Zscaler’s (x) and how much traffic it gets, how much of the stack it shares, or where it sits in the embedding space itself (y). Lines split each axis at the median. Hover for the numbers, click to jump to it in the list.
similarity × popularity
03 · Nearest neighbours
Alternatives to Zscaler
Thumbs up if it’s a real alternative to Zscaler, thumbs down if it isn’t.
- 01
Enterprise Cybersecurity Solutions | ThreatLocker
A Zero Trust cybersecurity solutions platform, ThreatLocker delivers world-class enterprise security software and solutions worldwide.
Very close cos 0.916 - 02
零信任_安全办公平台_远程安全访问_SASE方案_终端安全-白山云
基于零信任理念和白山云全球边缘网络，「网络+安全+服务+情报」一体化建设，更安全、更快速、更经济地保障企业全球化高效办公，确保分布在全球各地的用户都能随时随地、快速安全地访问企业本地和云上资源。
Very close cos 0.916 - 03
Tailscale | Secure Connectivity for AI, IoT & Multi-Cloud
The connectivity platform for devs, IT, and security teams. Zero Trust identity-based access that deploys in minutes and scales to every resource. Start free.
Very close cos 0.905 - 04
零信任_安全办公平台_远程安全访问_SASE方案_终端安全-白山云
基于零信任理念和白山云全球边缘网络，「网络+安全+服务+情报」一体化建设，更安全、更快速、更经济地保障企业全球化高效办公，确保分布在全球各地的用户都能随时随地、快速安全地访问企业本地和云上资源。
Very close cos 0.901 - 05
Cloudflare: Build for the agent era
Welcome to Cloudflare - Powering the next generation of applications
Very close cos 0.898 - 06
European Cloud & AI. | Scaleway
Build on a secure, transparent, and fast-moving cloud & AI platform built for what’s next.
Very close cos 0.896 - 07
Check Point Software: Leader in Cyber Security Solutions
Check Point Software Technologies Ltd. is a leading provider of cyber security solutions to corporate enterprises and governments globally.
Very close cos 0.898 - 08
Island | The Enterprise Agentic Control Plane | AI, Network, Data Protection
Govern human and AI workflows with Island’s Enterprise Agentic Control Plane. Streamline ZTNA, enforce browser DLP, and optimize digital experiences.
Close cos 0.890 - 09
Bitdefender - Global Leader in Cybersecurity Software
Bitdefender is a cybersecurity software leader delivering best-in-class threat prevention, detection, and response solutions worldwide.
Close cos 0.890 - 10
Kaspersky Cyber Security Solutions for Home and Business | Kaspersky
Official Site – A Global Leader in next-generation cybersecurity solutions and services, Kaspersky offers premium protection against all cyber threats for your home and business.
Close cos 0.892 - 11
Human Risk Management & Advanced Email Security | Mimecast
Protect email and collaboration tools with Mimecast. Manage human risk and stay ahead of cyber threats with advanced security solutions.
Close cos 0.889 - 12
Explore the Enhanced Citrix Platform: Secure, Scalable, and High-Performing IT Solutions - Citrix
Discover the new Citrix platform, revolutionizing application delivery with enhanced security, Zero Trust frameworks, and unmatched performance. Dive into industry-specific solutions for healthcare, financial services, and government. Uncover new use cases with Citrix and NetScaler, from centralized app management to mission-critical application delivery.
Close cos 0.888 - 13
Israeli network security company
Close cos 0.884 - 14
Home Page | CISA
Cybersecurity and Infrastructure Security Agency: America's Cyber Defense Agency
Close cos 0.885 - 15
DefensX | Secure Workspace
DefensX offers a powerful secure browser and enterprise browser solution that protects users from web-based threats while enabling safe, compliant, and efficient browsing.
Close cos 0.883 - 16
Cybersecurity Firm
Close cos 0.884 - 17
AI Infrastructure, Secure Networking, and Software Solutions - Cisco
Cisco is a worldwide technology leader powering an inclusive future for all. Learn more about our products, services, solutions, and innovations.
Close cos 0.884 - 18
WatchGuard | Comprehensive Cybersecurity Solutions
Award-winning solutions that are easy to deploy and manage, making enterprise-grade security accessible to any organization regardless of size or expertise.
Close cos 0.882 - 19
Vulnerability and exposure management | Cloud and AI security | Tenable®
The leader in exposure management and AI security, Tenable cybersecurity solutions reduce cyber risk across IT, OT, cloud, identity & hybrid attack surfaces.
Close cos 0.882 - 20
Browser Security for Humans and Agents | Menlo Security
Secure your agentic enterprise with the Menlo Browser Security Platform. Get zero-day threat prevention, secure access, and data security in one unified platform.
Close cos 0.882
Ranked by score: the cosine similarity of each site’s vector to zscaler.com’s, less a small penalty for generic sites that are close to everything. Highlighted technologies are ones Zscaler uses too. Votes and comments come from visitors and don’t change the ranking.
04 · Fingerprints
Technology
What Zscaler is built with, and what its closest competitors use, from its homepage’s code and its DNS records.
Built with
- JavaScript frameworks
- Tag managers
- Google Tag Manager page source: googletagmanager.com/gtm.js
- Marketing automation
- Marketo TXT v=spf1 include:_spf-cidr.zscaler.com include:_spf.google.com include:…
- CDN
- Cloudflare header cf-ray: a5630c9befa0750e-HAM
- Hosting
- Netlify header x-nf-request-id: 01M6R2T7CQHZQK1VQW9J5DVX74
- Email hosting
- Google Workspace MX aspmx.l.google.com
- Microsoft 365 TXT MS=ms92318046
- SaaS tools (verified in DNS)
- Adobe TXT adobe-idp-site-verification=018c2a23b7ecadd00dffa900603aef43504958df7…
- Apple Business TXT apple-domain-verification=LeTOyluQq35UJ2B1
- Atlassian TXT atlassian-domain-verification=B71Vkx4kM/wgXLTZeRs5AwG6lsUSGOjowHMlMDa…
- Bing Webmaster Tools meta msvalidate.01: B7933B37110507F05AF8DEBE76F2BA91
- DocuSign TXT docusign=3d543677-7d77-43db-8f09-67ae168d0376
- Google Search Console TXT google-site-verification=ASXyGJVTzzrfFOWJY7EDb90SS4HZumOhxHUtqpmC0A4
- Miro TXT miro-verification=bc56a4fd1377f3d5560cd084ce9437a5b7118f8e
- OpenAI TXT openai-domain-verification=dv-QjIjz7sNJsFfxGB2uB3ewKU6
- Salesforce TXT v=spf1 include:_spf-cidr.zscaler.com include:_spf.google.com include:…
- Zoom TXT ZOOM_verify_adX-S5_WSIO9EF5ie4z0XA
Stack changes
No changes yet. Each new crawl is compared with the last one, and what Zscaler adds or drops shows up here.
What competitors use
Across the 20 closest sites.
- Atlassian 17/20
- Google Search Console 17/20
- Microsoft 365 15/20
- Google Tag Manager 12/20
- Apple Business 11/20
- DocuSign 9/20
- Cloudflare 8/20
- OpenAI 7/20
- Salesforce 7/20
- jQuery · not on zscaler.com 6/20
- Google Workspace 6/20
- HubSpot · not on zscaler.com 5/20
- Amazon Route 53 · not on zscaler.com 5/20
- nginx · not on zscaler.com 5/20
- Stripe · not on zscaler.com 5/20
- Miro 5/20