ZS vs TER Comparison

Zscaler is a software-as-a-service, or SaaS, firm focusing on providing cloud-native cybersecurity solutions to primarily enterprise customers. Zscaler's offerings can be broadly partitioned into Zscaler Internet Access, which provides secure access to external applications, and Zscaler Private Access, which provides secure access to internal applications. The firm is headquartered in San Jose, California, and went public in 2018.

Teradyne provides testing equipment, including automated test equipment for semiconductors, system testing for hard disk drives, circuit boards, and electronics systems and wireless testing for devices. The firm entered the industrial automation market in 2015, into which it sells collaborative and autonomous robots for factory applications. Teradyne serves numerous end markets and geographies directly and indirectly with its products, but its most significant exposure is to semiconductor testing. Teradyne serves vertically integrated, fabless, and foundry chipmakers with its equipment.