Some example playbooks used on https://www.ansible.com/blog.
drown/ - Playbooks from https://www.ansible.com/blog/drown-openssl-vulnerability
badlock/ - Playbooks from https://www.ansible.com/blog/badlock-vulnerability
control-remediation/ - Playbooks from https://www.ansible.com/blog/control-with-ansible-tower-part-1
control-inventory/ - Inventory examples from https://www.ansible.com/blog/control-with-ansible-tower-part-2
self-service/ - Playbooks and surveys from https://www.ansible.com/blog/simple-self-service-with-ansible-and-tower