Adobe follows established security processes and controls to comply with industry-accepted standards, regulations, and certifications. See Adobe security for more information on Adobe’s company-wide security practices.
Information on practices specific to Adobe Analytics is found in the Adobe Analytics security overview. It outlines the processes followed around architecture, authentication, data centers, network, and personnel.
See Adobe’s web services vulnerability disclosure program on HackerOne if you find a vulnerability to report around any of Adobe’s products, including Adobe Analytics.