Your company sells SaaS, and your company itself is hosted in the cloud (using it...

In the scenario where your company sells Software as a Service (SaaS) and is hosted on the cloud using it as a Platform as a Service (PaaS), your company is responsible for eradicating malware in your customer's database. This is because, as the SaaS provider, your company manages the software and is responsible for its security and maintenance, including the databases that store customer data. While the PaaS provider is responsible for the underlying infrastructure, platform, and possibly some middleware security aspects, the application layer security, including data and application management, falls to the SaaS provider. Building management would not be involved in digital security matters, and while customers are responsible for their data, the actual software maintenance and security in a SaaS model are the provider's responsibility.