You can restrict or enable users from accessing Marketo based on their IP addresses. Here's how.
The information in this article only applies to direct log-ins at login.marketo.com. It is not possible to enforce IP restrictions on single sign-on (SSO) log-ins at this time.
Under Admin, click Login Settings.
Click Edit IP Restrictions.
Choose whether you want to Allow or Block specific addresses, enter the address(es), then click Save.
Nicely done, your marketing data is now safer than it ever was!