What Alibaba Products I can use to further protect my WordPress website? I am just starting out and wondering what are the services I need to look after? To make an in-depth analysis of the cost and the security?
I have tried some of the products offered by them, Alibaba Cloud has amazing security products & I should say that is their USP in the market. There are well established in China for a longer time
WAF
- WAF is a cloud firewall service that protects core website data and safeguards the security and availability of your site.
Alibaba Cloud Server Guard
- Alibaba Cloud Server Guard is a reliable and secure service offering real-time monitoring of your servers and databases. Around the clock monitoring of exposed vulnerabilities ensure optimal availability of your services and applications.
Server Guard - A cloud based server monitoring service
Alibaba Cloud SSL Certificates
- Alibaba Cloud SSL Certificates Service allows customers to directly apply, purchase and manage SSL certificates on Alibaba Cloud. This service is offered in cooperation with qualified certificate authorities. From this platform, customers can select the expected certificate authority and its certificate products to enjoy full-site HTTPS security solutions.
All the best for your site and let me know if you want anything 
For start, their SAS and ECS instances have pretty good default security, with monitoring and layers of firewall and DDOS protection.