I also recommend book Art of War from Sun Tzu. All the answers to your questions are in that book. Jean From: NANOG <nanog-bounces+jean=ddostest.me@nanog.org> On Behalf Of Lady Benjamin Cannon of Glencoe, ASCE Sent: May 20, 2021 7:18 PM To: Baldur Norddahl <baldur.norddahl@gmail.com> Cc: NANOG Operators' Group <nanog@nanog.org> Subject: Re: DDoS attack with blackmail 20 years ago I wrote an automatic teardrop attack. If your IP spammed us 5 times, then a script would run, knocking the remote host off the internet entirely. Later I modified it to launch 1000 teardrop attacks/second… Today, contact the FBI. And get a mitigation service above your borders if you can. —L.B. Ms. Lady Benjamin PD Cannon of Glencoe, ASCE 6x7 Networks & 6x7 Telecom, LLC CEO lb@6by7.net <mailto:lb@6by7.net> "The only fully end-to-end encrypted global telecommunications company in the world.” FCC License KJ6FJJ On May 20, 2021, at 12:26 PM, Baldur Norddahl <baldur.norddahl@gmail.com <mailto:baldur.norddahl@gmail.com> > wrote: Hello We got attacked by a group that calls themselves "Fancy Lazarus". They want payment in BC to not attack us again. The attack was a volume attack to our DNS and URL fetch from our webserver. I am interested in any experience in fighting back against these guys. Thanks, Baldur