Below a List of all In-Game Security Skills.

Ballistic Shield
Description: Hand-held shield that stops enemy bullets. However it restricts its user to side-arms.
Modifications: Increased shield armor and pulses any enemies who shoot it, increased sidearm damage, damage absorbed by shield heals wielder, shield regains durability when not taking hit (master mod).

Smart Cover
Description: Increase the strength and durability of the cover you are hidden behind.
Modifications: Enemies using smart cover inflict less damage and take more, recover health while under smart cover, immune to enemy pulses and cause enemies to be pulsed when shot, increases the smart cover's duration (master mod).

Mobile Cover
Description: Temporary wall that provides cover for one person.
Modifications: Cover will now protect two players, explosives on the front that can be remotely detonated, increased damage while in cover, temporarily increased resistance to players when cover is destroyed (master mod).

Survivor Link
Description: Increases speed and the resistances of the team for a limited time.