We have created sample project and there are five Issue Types: Story, Epic, Task, Change Request and Bug for that particular project.
Not out of the box. JIRA handles access at the project level. The behaviors plugin might do it, but I don't know if it is available in the cloud. I suggest you create a project for the different issue types that need to be segregated. You can link across projects with the right permissions.
Take a look at the issue security schemes: https://confluence.atlassian.com/display/JIRA/Configuring+Issue-level+Security
You can set the issue security level in workflow post function, differently for each issue type.
Having said that, creating different projects might be better, as Joe already suggested!
Badges are a great way to show off community activity, whether you’re a newbie or a Champion.Learn more
Connect with like-minded Atlassian users at free events near you!Find a group
Connect with like-minded Atlassian users at free events near you!
Unfortunately there are no AUG chapters near you at the moment.Start an AUG