A method of forwarding logs of a software-defined data center (SDDC) and logs of an agent platform appliance to a cloud platform through the agent platform appliance, the agent platform appliance having deployed thereon a plurality of agents of cloud services that are delivered to the SDDC, includes the steps of: collecting first log data from one or more management appliances of the SDDC; collecting second log data from one or more of the agents of cloud services; acquiring one or more access tokens for communicating with the cloud platform; and transmitting log data generated from the collected first log data and the collected second log data, along with the one or more access tokens, to a log monitoring service running in the cloud platform, wherein the log monitoring service is configured to generate alerts separately for different tenants of the computer system from log data of the different tenants.