"Experts have told us that mobile phones are being eavesdropped on more and more, even when they are switched off," Alexandra Boy, spokeswoman for Essen-based specialty chemicals maker Evonik, told AFP.
"The measure applies mostly when sensitive issues are being discussed, for the most part in research and development," she said, confirming a report in business weekly Wirtschaftswoche.
Biscuit tins have a so-called Farraday cage effect, she said, blocking out electromagnetic radiation and therefore preventing people from hacking into mobile phones, not only for calls but also to get hold of emails. (more) (sing-a-long)
Actually, this is a fairly good MacGyver on their part. However, professional enclosures with padding and internal white noise generators are also available.
