Walkie-talkies and solar equipment exploded in Beirut in a second wave of attacks targeting devices, a day after pagers used by Hezbollah blew up.

Secretly attacking the supply chain is not a new technique in intelligence and military operations – the U.S. military has done it, too.

Read more from an electrical engineer:
https://theconversation.com/pagers-hezbollah-went-low-tech-for-communications-239283
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Pagers and walkie-talkies over cellphones – a security expert explains why Hezbollah went low-tech for communications

Smartphones may be indispensable to modern life, but they’re also perfect tools for spying on their owners. Anyone looking to avoid being tracked – like, say, militant groups – tends to ditch them.

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