Do not store sensitive information on Alto. Content of your published Apple Notes is hosted on Alto’s servers and can be accessed by your readers.
Alto stores the following information about you:
your email address if you shared it using Apple ID auth process.
list of notes you published using Alto.
Any extra information you saved in the Alto settings: like public emails and links to the social media accounts.
For your sites Alto collects very basic usage data URI of requests and associated timestamps. For Alto’s marketing site, blog, documentation and admin site we collect more information in order to improve the product.
You can delete all your pages and account data by contacting me.
Please report any security vulnerability. If there is a security breach, I promise to disclose it.