Voice mail security?

Something interesting / disturbing just happened to me. I was trying out my new bluetooth headset to make sure it supported aptX and would pair to two devices. So, while watching a youtube video, i used skype to dial my phone.

Oddly, I got a high-fidelity playback of my voice mail (ironically a bunch of CRA scams). Hmm, but its not from the phone. Its from the PC. Weird.

So I dig in a bit. It turns out that if my caller ID is set to my own phone number, it just assumes its me and starts playing.

Given that caller ID is trivial to spoof, this means there’s really no security here.

Anyone else care to try this? I tried on Koodoo if it matters.

 

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