Electroplating is a process that uses electric current to deposit a thin metal layer onto a surface. The base object is placed in a conductive solution, and metal ions bond to it, creating a coating that can improve appearance, corrosion resistance, conductivity, or wear resistance. In manufacturing, this is common on connectors, contacts, shields, and decorative parts.
In cyber security, electroplating matters because hardware trust often depends on surface quality and material behavior. Plated contacts can affect signal integrity, grounding, and long-term reliability in devices that carry sensitive data. Attackers may abuse plating or poor plating in counterfeit components, hardware tampering, or hidden implants that try to blend into normal finishes. Defenders inspect plating, thickness, and adhesion during supply-chain checks to spot low-quality copies, interference, or signs of unauthorized modification.