Who Zscaler buys from and sells to
Runs a cloud proxy that sits between users and the internet or apps, sold as zero-trust access subscriptions.
Part of Cybersecurity spending
Buys from 3
Sells to 2
- Channel partnerssubscriptions resold to large enterprises
- US federal governmentFedRAMP-authorised secure access for agencies
Where the chain could break
- All customer traffic passes through Zscaler's cloud; an outage cuts users off the internet
- Depends on third-party colocation sites for its 150+ data centres
Competes with
- Palo Alto NetworksPANWPrisma Access, the same secure-access product
- NetskopeNTSKcloud security service edge
- CloudflareNETzero-trust access on its own edge network
- CiscoCSCOsecure access bundled with networking
Mapped by hand from filings and company reporting, as of October 2026. It shows the relationships that matter most, not every contract: most are never disclosed, and agreements change.