Zscaler


https://www.zscaler.com/


ZIA: Zscaler Internet Access ( # Proxy )

ZPA:  Zscaler Private Access is a cloud service from Zscaler  ( # VPN )

ZTE:  Zero Trust Exchange : Zscaler Cloud ( DCs,  "switchboard" )

ZDX:  Digital eXperience  ( Performance tools )



ZIA: Zscaler Internet Access



ZPA:  Zscaler Private Access

ZScaler has an interesting approach, they have moved the security model up the network stack from ISO Layer 3 to 7 and based the entire system on Domain Name Systems (DNS) instead of Internet Protocol (IP).