Not a bad idea as a security precaution BUT

Disaster struck, when the customers partner came down in the morning and turned on the microwave to heat up the morning bottle for the baby. The very  last thing you would expect is to have electronic equipment in an oven and subsequently the drives got “cooked ” as well

One of the devices was a Kingston Data Traveler device with a plastic outer casing and despite melting of the plastic around the internal board and the chip appearing to sustain a slight level of damage the device was recovered.