Almost all of the parts, worth several million euros, were found at a warehouse in the Bulgarian capital Sofia.
Russia provided targeting data for the Houthis as they attacked ships with missiles and drones, it is claimed.
Europol-partnered report says that counterfeits are estimated to account for 5.8 per cent of EU trade.
Notorious hacker IntelBroker claimed responsibility for the attack, which Cisco said involved a "small number" of files.
Testing by Suffolk Trading Standards revealed the counterfeits posed a risk of electric shock and fire.
The takeover comes just a few months after Crane NXT completed the acquisition of OpSec for $270m.