Abilities in The Division can be broken down into 3 categories: Skills, Talents and Perks. This page will explain the differences as well as list all that are available to the player. You unlock abilities by upgrading their corresponding wing in your Base of Operations. Consult the Base of Operations page and the individual Security Wing, Tech Wing and Medical Wing for a detailed breakdown of the upgrade costs and abilities they unlock.
Skills are Abilities the player can use mid combat to increase his/her chances of survival. These are activated Abilities and must be used strategically. They are broken down into 3 categories: Security, Medical and Technology. Each one focusing on a different aspect of combat.
Talents are passive abilities, divided into the same 3 categories: Security , Medical and Technology as skills, and they offer things like a reduction to recoil while in cover, or an increased chance that a status effect leveled at one enemy will spread to multiple nearby targets.