What was leaked in the Tata cyberattack that hit Apple & Tesla documents too?

World Leaks, which previously claimed responsibility for a Nike break-in, said it's publishing stolen Tata Electronics data, which reportedly affected Apple and Tesla. The leaked data comprises two lakh files totalling 630+ GB, including files titled "com.apple.factorydata" and some referring to "material specification". Emails, event logs and employees' passport copies were also leaked.