You need as many clanalizers as armour pieces you are making.
The armor pieces, Clanalizer and Hacker Tool drop from missions and can also be purchased at regular shops. Lock Pick of Eight needs to be made.
Requires x6 in Breaking and Entry Skill although hacking the Leather Vest takes just 5.6x B&E skill.
Note: Armor over QL 200 can't be hacked. However, this process applies to all armour types below QL 200 that are listed above.