Also used in the, IMHO, underappreciated film Enemy of the State (1998).
truck drivers used them too to avoid tracking from their employer
https://arstechnica.com/information-technology/2017/11/austr...
https://arstechnica.com/information-technology/2017/11/austr...
After searching, I found that Kaspersky has a blog post on the topic: https://usa.kaspersky.com/blog/terminator-dark-fate-chips/18...
It surprised me that chip bags were more effective in their test than cookie tins, but only when they double-bagged it