[AusNOG] Rise in fake calling numbers?

[Paul Wilkins]

Telecommunications Act 1997 applies:

"The ACMA, carriers and carriage service providers must do their best to
prevent telecommunications networks and facilities from being used to
commit offences."

I'd say the telcos are due to be put on notice regarding the use of CLID
spoofing.

Kind regards

Paul Wilkins


On 2 May 2018 at 02:00, Paul Brooks <pbrooks-ausnog at layer10.com.au> wrote:

> On 1/05/2018 7:19 AM, Matthew Moyle-Croft wrote:
> >
> >
> >>
> >
> > This happens because people aren’t validating CLID on interconnects.
> It’s not really
> > about security and authentication of VOIP infrastructure. It came about
> because
> > people want to set CLID on outbound calls via carriers that don’t own
> their numbers.
> > In some ways it’s consumer/business friendly BUT abuse leads to phone
> calls being a
> > trashfire. In the US it’s meaning that some carriers run all calls
> through some
> > validation and present some info about whether it’s real or not or the
> likely actual
> > origin. T-Mobile are doing this - super helpful as you get info on
> whether it’s a
> > scam or not. HIGHLY recommend Australian carriers get onto this. It’s
> cut down the
> > amount of dodgy calls in the US a lot recently.
>
> Somebody is doing this in Australia. Don't know if it is activated by
> Optus, Samsung
> or Android OS, but occasionally an incoming call to my or SO's Galaxy
> mobile displays
> an alert something like 'Caution: Number may be Spam or Fraud' - and it is.
>
> This from 2016, indicates its been baked into Android and deployed to a
> wider range of
> handsets -
> https://techcrunch.com/2016/07/25/googles-android-phone-
> app-now-identifies-spam-callers/
>
> Now if only we could get the landline CallerID display to do this...
>
> Paul.
>
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