On an innocuous level, GPS spoofing can lead to the confusing of in-car GPS systems so that users think they are in a different location to their actual location. However, a more sinister use could be to interfere with the time-stamping systems used in high frequency trading.

5 comments on “On an innocuous level, GPS spoofing can lead to the confusing of in-car GPS systems so that users think they are in a different location to their actual location. However, a more sinister use could be to interfere with the time-stamping systems used in high frequency trading.
  1. Nat says:

    Now that’s an interesting idea for budding occupy vigilantes ..

    Make a big move on sliver like eric sprot and jam GPS at JP Morgan for a week.. See what happens.

  2. Max Power says:

    This weakness has been know about for a long time. Only a total fool would rely on GPS alone, as without GLONASS time and position solutions GPS is a lot less reliable. GPS + WAAS is a more common mix, and WAAS can be as good as GLONASS for some applications.

    Probably somewhere there is an IEEE & ACM recommendations that all network master clocks in mission critical situations should use more than one ‘master clock source’ (GPS, GLONASS, NTP, CHU+WWV).

    Just because a flaw like this is known, does not guarantee that it will be exploitable. It really depends on the level of competency at the IT department.

  3. Bill Stewart says:

    =========
    I am amazed file sharing is not on the list.

    However, those in power in the US have zero interest in the US even taking care of its own people, so being expelled for many might be a good thing.
    =========

    Oh boy, another police state bill enters the US Congress! The Enemy Expatriation Act will allow citizens to be stripped of their nationality for “supporting hostilities” against the US. Conviction, of course, wouldn’t be necessary.

    http://falkvinge.net/2012/01/19/eea-to-revoke-us-citizenship-without-due-process/

    The Enemy Expatriation Act is a short amendment to USC 8 §1481, the law which spells out criteria for the revocation of US citizenship. Already listed are naturalization in or serving in the armed forces of another country, formally renouncing US citizenship, or being convicted of treason against the US. These are, arguably, perfectly understandable. But the EEA adds this new reason to revoke citizenship:

    [E]ngaging in, or purposefully and materially supporting, hostilities against the United States.…For purposes of this section, the term ‘hostilities’ means any conflict subject to the laws of war.

    One would think that would constitute treason, and thus such a section wouldn’t be necessary. But look at paragraph 7 of §1481, which describes treason:

    (7) committing any act of treason against, or attempting by force to overthrow, or bearing arms against, the United States, violating or conspiring to violate any of the provisions of section 2383 of title 18, or willfully performing any act in violation of section 2385 of title 18, or violating section 2384 of title 18 by engaging in a conspiracy to overthrow, put down, or to destroy by force the Government of the United States, or to levy war against them, if and when he is convicted thereof by a court martial or by a court of competent jurisdiction.

    There’s your problem. Under the current law, one has to be convicted of treason in order to be stripped of citizenship. This new section, added by the EEA, requires no such thing.

    Now, the premise of the bill on its own gives me pause: does giving five bucks to Wikileaks count as “materially supporting hostilities”, or is that not a “conflict subject to the laws of war” yet? That’s ambiguous, though; the complete lack of a due process requirement — in contrast to the already-existing section regarding treason — is something else entirely.

    The possibility of having one’s citizenship revoked without a trial is bad enough, but in concert with the recently-passed 2012 National Defense Authorization Act, it’s terrifying. The latest NDAA, of course, requires anyone accused of “terrorism” to be indefinitely detained by the executive branch of the government. In response to public outrage, an amendment was added which made US citizens exempt to this requirement (which doesn’t make them exempt to the possibility, but in practice, perhaps the law will be enforced in such a way). If, under the EEA, someone is stripped of their citizenship without a trial, then there is no longer any semantic ambiguity to keep them safe from the NDAA’s indefinite detention.

    There seems to be an accelerating trend of dangerously broad-worded bills being proposed in the US Congress: the 2012 NDAA, SOPA/PIPA, and now this. Legislators are playing fast and loose with their constituents’ civil liberties, seemingly oblivious to the consequences.

    This is not a deliberate power-grab by a government gearing up to repress its population; this is gross negligence on the part of elected officials. It is not okay to accidentally endanger the people’s rights and liberties. The supporters of this absurd bill cannot be trusted with power.

  4. I_Cant_Believe_Its_Just_a_Dip says:

    Some may of heard the reason GPS difts out of accuracy is because of the Einstein’s relativity affecting the fairly speedy orbiting satelite clocks and they have to be time checked every hr or so because the local clocks drift behind due to velocity type time dilation effects.Apparently unless manually corrected it only takes a couple of hrs and your GPS system would place you miles out of location.
    But did you know that gravity also affects time and scientists have improved caesium atomic clocks(optically) making them so stunningly accurate that they can measure the difference between a clock at 0 metre height and one placed at 1 metre. The difference between the 2 clocks is in nanoseconds over a period of time but think that if you live in a high rise apartment your clock will be ahead(due to less gravity) of someone at ground level and the difference can now be measured, the twin dude up the high rise will die first due to time dilation differences. This of course proves Einstein was correct when he said time is relative only to the local observer. I suppose taken to this high level of accuracy people that live at sea level would have naturally more accurate watches than those above.
    http://en.wikipedia.org/wiki/Time_dilation
    ‘The Global Positioning System can be considered a continuously operating experiment in both special and general relativity. The in-orbit clocks are corrected for both special and general relativistic time dilation effects as described above, so that (as observed from the Earth’s surface) they run at the same rate as clocks on the surface of the Earth.’

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