How do I know IF my location is being tracked and my messages and calls monitored by unauthorised persons ???

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Image Source :Pexels.com: FreeStock:Faisal Rahman

Technology has enabled the good and the bad . Recently, I have become suspicious of being monitored by unauthorised persons!

How can I confirm my fears and demonised their spying gadget??

Have you ever been spied upon?? How did you resolved it ??