This is a prospective, multi-center registry of patients treated in accordance with the cleared indications for the Smart System (Smart), Penumbra Coil 400TM (PC 400), and Penumbra Occlusion Device (POD®). Data for each patient are collected in accordance with the standard of care at each participating hospital through one-year follow-up. Approximately 1,000 patients with intracranial aneurysms or other malformations treated by the Smart System at up to 100 centers will be enrolled. It is anticipated patient enrollment will take 3 years. All patients are to be assessed in accordance with the standard of care at each participating hospital through one year follow-up.