Are they really that sophisticated? I mean, if you look at the class of scammer that someone like Jim Browning manages to crack, they are basically just working out of spreadsheets.
On Sat, 26 Feb 2022 at 03:21, Michael Junek <[email protected]> wrote: > Automatic machine detection is all based on the timing and cadence of the > sounds these days. The older answering machine detection was more accurate > because it’d listen for the click of the tape engaging, whereas digital > doesn’t have that “tell-tale” sign. > > > > - If you start talking immediately after the call connects, and it > continues, that’s more likely to be flagged as an answering machine. You > then get thrown for re-dial in a couple of hours. > - If it detects a short silence, then a short word or words, followed > by silence – for example – “Hello?” – then it assumes you’re a human and > connects you through. > - Fax tones are picked up with the answer sound, these are flagged as > ‘fax machine’ and your generally not called again. > - Dead silence is marked as silence, and it often assumes there was an > issue in connecting – so it’ll retry you again. Second or third silence > calls to the same number are generally no longer tried again. > > > > - Often 3 simultaneous calls for every agent are connected and tried – > as the detection takes a few seconds – it’s based on a predictive algorithm > that guesses when the next agent will be available based on the metrics. If > it detects that you are a human, and if no agent becomes available, the > call is generally disconnects, but you have been marked as a human, and a > viable number. > > > > All these rules are configurable by the dialler admin, so no one can tell > what the retry interval will be > > > > If you’re connected, and end up speaking to someone, they can also mark > the outcome – answering machine, disconnection, silence etc – and the > configured rules will generally take effect. > > > > > > > > *From:* AusNOG <[email protected]> *On Behalf Of *Jamie Lovick > *Sent:* Saturday, 26 February 2022 14:07 > *To:* Matthew Moyle-Croft <[email protected]> > *Cc:* <[email protected]> <[email protected]> > *Subject:* Re: [AusNOG] "Telstra" scammers still at it... > > > > They seem to listen for common greetings, I typically answer stating my > name, and it doesn't trigger, it just hangs up after a few seconds. > > > > Jamie > > -- > Jamie Lovick <-> IT Consultant > AU <-> +61-4-1479-1681 > US <-> +1-8018-4-52643 (JAMIE) > Em <-> [email protected] > > > > > On Sat, Feb 26, 2022, 1:58 PM Matthew Moyle-Croft <[email protected]> wrote: > > A lot of auto-dialers listen for that and will mark you as a fax machine > and take your number out of the pool. Also will normally be a short call so > to Rob’s point it’ll get marked. > > > > Last one I talked to I just said “Do you really want to do this?” and they > hung up immediately on me. > > > > MMC > > > > On 24 Feb 2022, at 6:41 pm, Damien Gardner Jnr <[email protected]> > wrote: > > > > I just answer all calls and say nothing. Actual legit people can’t take > the silence and go ‘Uhhh hello?’ Scammers think they hit voicemail or > something and hangup at the 4 second mark. > > > > I answer easy 10 calls a day, 9 of them hang up at 4 seconds. > > > > —DG > > > > On Thu, 24 Feb 2022 at 7:10 pm, Rob Thomas <[email protected]> wrote: > > Can I *please* encourage everyone to answer any suspicious call, wait > a few seconds, and then hang up. This does a couple of things. > > 1. It tells us (the carriers) that it's a suspicious call. We have > reports on short-length calls, and if one of our clients is making 10k > calls a day, of which 80% are 2 seconds long, that rings many MANY > alarm bells. > 2. Even if it's a carrier who is fast asleep, they're still going to > charge the scammer for an answered call. No-one's getting free calls, > no matter who they're dealing with. Answering the call, even for a few > seconds, means it's costing them money. > > If it's NOT a scam call, and it's a real person, they'll call back. If > it's a scam call, the auto-dialler will mark it as 'scammed', and move > on to the next person. > > Feel free to share this around - this isn't rocket science, but if > people don't know, they're not going to do it. > > tl;dr: Answer the scam call, wait 2 seconds at least, hang up. > > --Rob > > > On Thu, 24 Feb 2022 at 12:58, Kai <[email protected]> wrote: > > > > Just got a call on "0432 383 486" from "Alex Watson from Telstra, about > > critical warning messages seen from my account recently". > > Alex had a moderate Indian accent. > > > > I asked for his Telstra staff ID and he hung up. Hahaa. > > > > Just hope the next person they call doesn't think it's legit and end up > > scammed. > > _______________________________________________ > > AusNOG mailing list > > [email protected] > > https://lists.ausnog.net/mailman/listinfo/ausnog > _______________________________________________ > AusNOG mailing list > [email protected] > https://lists.ausnog.net/mailman/listinfo/ausnog > > -- > > Damien Gardner Jnr > VK2TDG. Dip EE. GradIEAust > [email protected] - http://www.rendrag.net/ > -- > We rode on the winds of the rising storm, > We ran to the sounds of thunder. > We danced among the lightning bolts, > and tore the world asunder > > _______________________________________________ > AusNOG mailing list > [email protected] > https://lists.ausnog.net/mailman/listinfo/ausnog > > > > _______________________________________________ > AusNOG mailing list > [email protected] > https://lists.ausnog.net/mailman/listinfo/ausnog > > _______________________________________________ > AusNOG mailing list > [email protected] > https://lists.ausnog.net/mailman/listinfo/ausnog >
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