Being careful about online communication

[Lancsprepper]

Mates recently joined the army and there telling everyone if you use facebooj make sure its on strictest privacy setting aparantly the ira used it to track a soldier and tried to place a carbomb

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This happened last year, not sure how true it is or if its scare mongering.

That seems realistic to me, if i was in the armed forces,police etc i wouldn't let anyone know who didn't need to know.