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What is Zscaler?

Zscaler stands out as a pioneer with its Zero Trust Exchange platform, which utilizes the most expansive security cloud in the world to optimize business functions and improve responsiveness in a fast-evolving landscape. The Zero Trust Exchange from Zscaler enables rapid and safe connections, allowing employees the flexibility to operate from any location by treating the internet as their corporate network. Following the zero trust principle of least-privileged access, this solution provides robust security through context-aware identity verification and stringent policy enforcement. With a network spanning 150 data centers worldwide, the Zero Trust Exchange ensures users are closely connected to the cloud services and applications they depend on, like Microsoft 365 and AWS. This extensive infrastructure guarantees the most efficient routes for user connections, ultimately delivering comprehensive security while ensuring an outstanding user experience. In addition, we encourage you to take advantage of our free service, the Internet Threat Exposure Analysis, which is designed to be quick, secure, and private for all participants, helping organizations pinpoint vulnerabilities and effectively bolster their security defenses. Our commitment to safeguarding your digital environment is paramount, and this analysis serves as an essential step toward enhancing your organization's resilience against potential threats.

What is CacheGuard?

CacheGuard is a free, open-source network security gateway designed for small and medium businesses that need professional-grade internet protection without the cost of a dedicated IT team or a commercial appliance subscription. Most SMBs rely on the router their internet provider gave them. That router was built to connect, not to protect — it forwards all traffic without inspecting it, leaving the network exposed to malware, phishing, data leaks, and unauthorised access. CacheGuard fixes this by sitting between the internal network and the ISP router, acting as the security checkpoint for all internet traffic. What CacheGuard covers: Stateful firewall — control what enters and leaves your network Web antivirus — real-time scanning of HTTP/HTTPS traffic URL filtering — block websites by category or custom list SSL inspection — inspect encrypted HTTPS traffic Web Application Firewall — block malicious web requests VPN server — secure remote access for your team Web cache — faster browsing, lower bandwidth usage QoS and WAN load balancing — traffic shaping across internet links Key advantages over commercial alternatives: No licence cost, no subscription, no vendor lock-in Runs on any spare x86 PC or common hypervisor Web-based admin interface — no command-line expertise needed Open-source and auditable — in active development since 2002 ISP router requires no reconfiguration CacheGuard installs from a single ISO in under an hour and is suitable for offices, schools, branch networks, and home labs.

Media

Media

Integrations Supported

AT&T Alien Labs Open Threat Exchange
Abstract Security
Azure Marketplace
ConnectProtect Managed Detection and Response
Covver
Cybraics
FaPipe IPVPN
Google Digital Risk Protection
Intezer AI SOC
OverSOC
Polarity
Proofpoint Insider Threat Management
Revelstoke
The Respond Analyst
ThreatConnect Risk Quantifier (RQ)
Trustwave DbProtect
Truto

Integrations Supported

Proxmox VE
VMware ESXi
VirtualBox

API Availability

API Availability

Has API

Pricing Information

Pricing not provided

Pricing Information

$0
Free for any number of users. Optional paid support available.
Free Version

Supported Platforms

SaaS

Supported Platforms

SaaS
Android
iPhone
iPad
Windows
Mac
On-Prem
Linux

Customer Service / Support

Standard Support
24 Hour Support
Web-Based Support

Customer Service / Support

Standard Support
Web-Based Support

Training Options

Documentation Hub
Webinars
Online Training
On-Site Training

Training Options

Documentation Hub
Online Training
On-Site Training

Company Facts

Organization Name

Zscaler

Date Founded

2008

Company Location

United States

Company Website

www.zscaler.com

Company Facts

Organization Name

CacheGuard Technologies

Date Founded

2025

Company Location

France

Company Website

www.cacheguard.com

Categories and Features

AI Cybersecurity

Not specified

AI Usage Control

Not specified

Application Control

Not specified

Browser Isolation

Not specified

Cloud Edge Security

Not specified

Cloud Security

Antivirus
Application Security
Behavioral Analytics
Encryption
Intrusion Detection System
Threat Intelligence
Vulnerability Management

DNS Filtering

Not specified

Firewall

Alerts / Notifications
Application Visibility / Control
Automated Testing
Intrusion Prevention
LDAP Integration
Physical / Virtual Environment
Sandbox / Threat Simulation
Threat Identification

IT Security

Not specified

Microsegmentation

Not specified

Network Security

Not specified

Secure Web Gateways

Not specified

Shadow AI Detection

Not specified

Shadow IT Discovery

Not specified

Threat Hunting

Not specified

Zero Trust Security

Not specified

Categories and Features

Network Security

Access Control
Firewalls
VPN

Secure Web Gateways

Not specified

WAN Optimization

Not specified

Web Application Firewalls (WAF)

Access Control / Permissions
Dashboard
IP Reputation Checking
Managed Rules
OWASP Protection
Reporting / Analytics
Server Cloaking
Virtual Patching

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