Hi Time is one more thing the spoofer needs to consider. It does not eliminate the ability to spoof, it just adds one more factor to his setup. If he’s got a “clear” GPS signal to base his spoof on, that gives him a timebase to use.
Bob > On Aug 14, 2017, at 12:09 PM, Tim Shoppa <tsho...@gmail.com> wrote: > > Bringing this back around to time-nuts - wouldn't the timescale > discontinuity at the receiver, be a powerful clue that spoofing was going > on? But these being navigation receivers they aren't looking so critically > at the time. > > Presumably this was a single-transmitter jammer that pretended it was a > whole GPS constellation. > > A 32 kilometer jump in position would've been a 10 to 100 microsecond time > jump for at least some of the receivers in that section of the Black Sea. > And 10 microseconds sticks out like a sore thumb to a time nut. > > I think if you are only trying to spoof a single receiver it would be > possible to walk a spoofed time/space code in a way that time moved without > so obvious of a discontinuity. I'm sure there would be effects a time-nut > could notice still. > > Tim N3QE > > > On Sat, Aug 12, 2017 at 5:23 PM, John Allen <j...@pcsupportsolutions.com> > wrote: > >> FYI, John K1AE >> >> -----Original Message----- >> From: YCCC [mailto:yccc-boun...@contesting.com] On Behalf Of ROBERT >> DOHERTY >> Sent: Saturday, August 12, 2017 9:26 AM >> To: YCCC Reflector >> Subject: [YCCC] Fwd: Re: [Radio Officers, &c] Ships fooled in GPS spoofing >> attack suggest Russian cyberweapon >> >> As if there were not enough problems in the world ..... >> >> Whitey K1VV >> >>> Date: August 12, 2017 at 7:37 AM >>> Subject: Re: [Radio Officers, &c] Ships fooled in GPS spoofing >> attack suggest Russian cyberweapon >>> >>> Ships fooled in GPS spoofing attack suggest Russian cyberweapon >>> >>> News from: New Scientis (article reported by R/O Luca Milone – >> IZ7GEG) >>> >>> https://www.newscientist.com/article/2143499-ships-fooled- >> in-gps-spoofing-attack-suggest-russian-cyberweapon/#. >> WY6zNfZq1VA.google_plusone_share https://www.newscientist.com/ >> article/2143499-ships-fooled-in-gps-spoofing-attack- >> suggest-russian-cyberweapon/#.WY6zNfZq1VA.google_plusone_share >>> >>> >>> On date: 10 August 2017 >>> >>> By David Hambling >>> >>> >>> Reports of satellite navigation problems in the Black Sea suggest >> that Russia may be testing a new system for spoofing GPS, New Scientist has >> learned. This could be the first hint of a new form of electronic warfare >> available to everyone from rogue nation states to petty criminals. >>> >>> >>> On 22 June, the US Maritime Administration filed a seemingly bland >> incident report. The master of a ship off the Russian port of Novorossiysk >> had discovered his GPS put him in the wrong spot – more than 32 kilometres >> inland, at Gelendzhik Airport. >>> >>> >>> After checking the navigation equipment was working properly, the >> captain contacted other nearby ships. Their AIS traces – signals from the >> automatic identification system used to track vessels – placed them all at >> the same airport. At least 20 ships were affected >> http://maritime-executive.com/editorials/mass-gps-spoofing- >> attack-in-black-sea . >>> >>> >>> While the incident is not yet confirmed, experts think this is the >> first documented use of GPS misdirection – https://www.marad.dot.gov/ >> msci/alert/2017/2017-005a-gps-interference-black-sea/ a spoofing attack >> that has long been warned of but never been seen in the wild. >>> >>> >>> Until now, the biggest worry for GPS has been it can be jammed >> https://www.newscientist.com/article/dn20202-gps-chaos-how- >> a-30-box-can-jam-your-life/ by masking the GPS satellite signal with >> noise. While this can cause chaos, it is also easy to detect. GPS receivers >> sound an alarm when they lose the signal due to jamming. Spoofing is more >> insidious: a false signal from a ground station simply confuses a satellite >> receiver. “Jamming just causes the receiver to die, spoofing causes the >> receiver to lie,” says consultant David Last >> http://www.professordavidlast.co.uk/ , former president of the UK’s Royal >> Institute of Navigation. >>> >>> >>> Todd Humphreys http://www.ae.utexas.edu/faculty/faculty-directory/ >> humphreys , of the University of Texas at Austin, has been warning of the >> coming danger of GPS spoofing for many years. In 2013, he showed how a >> superyacht with state-of-the-art navigation could be lured off-course by >> GPS spoofing. “The receiver’s behaviour in the Black Sea incident was much >> like during the controlled attacks http://onlinelibrary.wiley. >> com/doi/10.1002/navi.183/full my team conducted,” says Humphreys. >>> >>> >>> Humphreys thinks this is Russia experimenting with a new form of >> electronic warfare. Over the past year, GPS spoofing has been causing chaos >> for the receivers on phone apps in central Moscow to misbehave >> https://themoscowtimes.com/articles/the-kremlin-eats-gps- >> for-breakfast-55823 . The scale of the problem did not become apparent >> until people began trying to play Pokemon Go. The fake signal, which seems >> to centre on the Kremlin, relocates anyone nearby to Vnukovo Airport >> http://www.thetruthaboutcars.com/2017/01/bizarre-gps- >> spoofing-means-drivers-near-kremlin-always-airport/ , 32 km away. This is >> probably for defensive reasons; many NATO guided bombs, missiles and drones >> rely on GPS navigation, and successful spoofing would make it impossible >> for them to hit their targets. >>> >>> >>> But now the geolocation interference is being used far away from the >> Kremlin. Some worry that this means that spoofing is getting easier. GPS >> spoofing previously required considerable technical expertise. Humphreys >> had to build his first spoofer from scratch in 2008, but notes that it can >> now be done with commercial hardware and software downloaded from the >> Internet. >>> >>> >>> Nor does it require much power. Satellite signals are very weak – >> about 20 watts from 20,000 miles away – so a one-watt transmitter on a >> hilltop, plane or drone is enough to spoof everything out to the horizon. >>> >>> >>> If the hardware and software are becoming more accessible, nation >> states soon won’t be the only ones using the technology. This is within the >> scope of any competent hacker http://www.comsoc.org/ctn/ >> lost-space-how-secure-future-mobile-positioning . There have not yet been >> any authenticated reports of criminal spoofing, but it should not be >> difficult for criminals to use it to divert a driverless vehicle >> https://www.newscientist.com/article/2142059-sneaky- >> attacks-trick-ais-into-seeing-or-hearing-whats-not-there/ or drone >> delivery, or to hijack an autonomous ship. Spoofing will give everyone >> affected the same location, so a hijacker would just need a short-ranged >> system to affect one vehicle. >>> >>> >>> But Humphreys believes that spoofing by a state operator is the more >> serious threat. “It affects safety-of-life operations over a large area,” >> he says. “In congested waters with poor weather, such as the English >> Channel, it would likely cause great confusion, and probably collisions.” >>> >>> >>> Last says that the Black Sea incident suggests a new device capable >> of causing widespread disruption, for example, if used in the ongoing >> dispute with Ukraine. “My gut feeling is that this is a test of a system >> which will be used in anger at some other time.” >>> >>> >>> 73’s >>> webmaster >> _______________________________________________ >> YCCC Reflector mailto:y...@contesting.com >> Yankee Clipper Contest Club http://www.yccc.org >> Reflector Info: http://lists.contesting.com/mailman/listinfo/yccc >> >> >> >> --- >> This email has been checked for viruses by Avast antivirus software. >> https://www.avast.com/antivirus >> >> _______________________________________________ >> time-nuts mailing list -- time-nuts@febo.com >> To unsubscribe, go to https://www.febo.com/cgi-bin/ >> mailman/listinfo/time-nuts >> and follow the instructions there. >> > _______________________________________________ > time-nuts mailing list -- time-nuts@febo.com > To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts > and follow the instructions there. _______________________________________________ time-nuts mailing list -- time-nuts@febo.com To unsubscribe, go to https://www.febo.com/cgi-bin/mailman/listinfo/time-nuts and follow the instructions there.
