nanog mailing list archives
Re: Phishing and telemarketing telephone calls
From: Michael Thomas <mike () mtcc com>
Date: Mon, 27 Apr 2020 11:34:06 -0700
On 4/27/20 11:12 AM, Jon Lewis wrote:
On the IETF list, I've been making the case that a DKIM-like solution for SIP signalling would in fact give you the way to blame somebody, which was DKIM's entire raison d'etre. Who cares what the actual fake e.164 address is and whether the sending domain is allowed to assert it or not? That is rather beside the point. All I care is that the originating domain is supporting abuse, and I know what the domain is to complain to, ignore, etc.On Mon, 27 Apr 2020, William Herrin wrote:On Sat, Apr 25, 2020 at 7:32 PM Matthew Black <Matthew.Black () csulb edu> wrote:Good grief, selling a kit for $47. Since all robocalls employ Caller ID spoofing, just how does one prove who called?You don't. AFAICT, that's the point of Anne's comments. Finding them is good enough. Paying off anyone who both finds them and appears well connected with the law is cheaper than allowing the legal system to become aware of their identities and activity. Blackmail 101 dude. Find someone with a secret and demand payment for your silence. The best part is that if you're legitimately entitled to the money because of the secret then it's not technically blackmail. Presumably the meat of the $47 kit is about how to tease out enough clues to search public records and identify them.In my experience, the caller-id is always forged, and the call center reps hang up or give uselessly vague answers if I ask what company they're calling from. I suspect the only sure way to identify them is to do business with them, i.e. buy that extended warranty on your car, or at least start walking through the process until either payment is made or they tell you who you'll have to pay. I wonder, if you agree to buy the extended warranty, solely for the purpose of identifying them, can you immediately cancel it / dispute the charge?Then there are the 100% criminal ones calling from "Windows Technical Support" who want to trick you into giving them remote admin access to your PC. I assume that's a dry well and the best you can hope to do is waste as much of their time as yours and see how foul a mouth they have.
Mike
Current thread:
- RE: Phishing and telemarketing telephone calls, (continued)
- RE: Phishing and telemarketing telephone calls Matthew Black (Apr 24)
- Re: Phishing and telemarketing telephone calls Jon Lewis (Apr 24)
- Re: Phishing and telemarketing telephone calls Mike Hammett (Apr 25)
- Re: Phishing and telemarketing telephone calls j k (Apr 27)
- Re: Phishing and telemarketing telephone calls Mike Hammett (Apr 27)
- Re: Phishing and telemarketing telephone calls Mike Hammett (Apr 25)
- Re: Phishing and telemarketing telephone calls Anne P. Mitchell, Esq. (Apr 25)
- RE: Phishing and telemarketing telephone calls Matthew Black (Apr 25)
- Re: Phishing and telemarketing telephone calls Anne P. Mitchell, Esq. (Apr 26)
- Re: Phishing and telemarketing telephone calls William Herrin (Apr 27)
- Re: Phishing and telemarketing telephone calls Jon Lewis (Apr 27)
- Re: Phishing and telemarketing telephone calls Michael Thomas (Apr 27)
- Re: Phishing and telemarketing telephone calls Dovid Bender (Apr 27)
- Re: Phishing and telemarketing telephone calls bzs (Apr 27)
- Re: Phishing and telemarketing telephone calls William Herrin (Apr 27)
- Re: Phishing and telemarketing telephone calls Brian J. Murrell (Apr 26)
- Re: Phishing and telemarketing telephone calls Anne P. Mitchell, Esq. (Apr 27)
- Re: Phishing and telemarketing telephone calls Michael Thomas (Apr 26)
- Re: Phishing and telemarketing telephone calls Dan Hollis (Apr 26)
- Re: Phishing and telemarketing telephone calls Tom Beecher (Apr 27)
- Re: Phishing and telemarketing telephone calls Anne P. Mitchell, Esq. (Apr 27)
- Re: Phishing and telemarketing telephone calls Michael Thomas (Apr 27)