Zscaler

Who are the top Zscaler competitors?

Zscaler’s Top competitors in the perimeter-security-and-firewalls category are Cisco ASA, Fortinet FortiGate, SiteLock. You can view a full list of Zscaler competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of Zscaler and 40,000 other technologies on the internet. You can also compare Zscaler and its feature with top competitors here : Zscaler vs Cisco ASA Zscaler vs Fortinet FortiGate Zscaler vs SiteLock.

What is Zscaler customer distribution based on company size?

The majority of Zscaler’s customers for the perimeter-security-and-firewalls category fall in the company size of 10,000+ employees (1,092 companies). You can view a distribution chart of Zscaler customers by company size here.

What is Zscaler market share in the perimeter-security-and-firewalls?

Zscaler has market share of 4.54% in perimeter-security-and-firewalls market. Zscaler competes with 121 competitor tools in perimeter-security-and-firewalls category. The top alternatives for Zscaler perimeter-security-and-firewalls tool are Cisco ASA with 17.15%, Fortinet FortiGate with 16.18%, SiteLock with 12.06% market share.

What are the top countries that use Zscaler?

Around the world in 2025, over 4,856 companies have started using Zscaler as perimeter-security-and-firewalls tool. Companies using Zscaler for perimeter-security-and-firewalls are majorly from United States with 2,231 customers. 55.71% of Zscaler customers are from the United States. Other top countries using Zscaler are United Kingdom and India with 440(10.99%) and 309(7.72%) customers respectively.

What are the top industries that use Zscaler?

Top industries that use Zscaler for perimeter-security-and-firewalls are Managed Services (145), Cybersecurity (141), Cloud Services (141).