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Home » You can run... » “TIA” Techniques in NSA Sweeps

“TIA” Techniques in NSA Sweeps

It’s not just about who calls who. The NSA phone-​​monitoring project looks at how ter­ror­ists place their calls and then applies that model to every­one, to see who else might be a sus­pect. It’s a form of pre­dic­tive data min­ing made famous by the noto­ri­ous Total Information Awareness project.
step_2.gif“Armed with details of bil­lions of tele­phone calls, the National Security Agency used phone records linked to the Sept. 11, 2001, attacks to cre­ate a tem­plate of how phone activ­ity among ter­ror­ists looks,” accord­ing to USA Today. “The tem­plate, offi­cials say, was cre­ated from a secret data­base of phone call records col­lected by the spy agency. It has been used since 9/​11 to iden­tify call­ing pat­terns that indi­cate pos­si­ble ter­ror­ist activ­ity. Among the pat­terns exam­ined: flur­ries of calls to U.S. num­bers placed imme­di­ately after the domes­tic caller received a call from Pakistan or Afghanistan.“
That’s new. When the NSA’s phone-​​monitoring pro­grams came to light first in December, then again two weeks ago the projects were said to focus on “social net­work analy­sis.” Who knows who, in other words. If Osama calls your friend, and he turns around and calls you, the logic goes, you and Osama and prob­a­bly linked in a com­mon plot. If you don’t share any­one in com­mon, you’re in the clear.
But, for promi­nent social net­work ana­lysts, some­thing didn’t quite add up. Building a data­base of “every call ever made” didn’t really help find those per­sonal con­nec­tions. If any­thing, the addi­tional records made things even harder.
Today, we learn why everyone’s calls had to be in the tar­get set. The NSA wasn’t just con­duct­ing social net­work analy­sis. It was using a more con­tro­ver­sial data min­ing tech­nique, dragged into the pop­u­lar imag­i­na­tion by Darpa’s Total Information Awareness project. It focuses on pre­dic­tion, not con­nec­tions.
Under this approach, sophis­ti­cated algo­rithms hunt for pat­terns of ter­ror­ist behav­ior in information-​​trails, and then apply those pat­terns to aver­age cit­i­zens, see­ing which ones fit. It doesn’t mat­ter who you know. It’s what you do that gets you in trou­ble. If you spend money and buy plane tick­ets like Mohammed Atta did, then maybe you’re a ter­ror­ist, too. Same goes for the kind, and fre­quency, of phone calls you make.

Using com­puter pro­grams, the NSA searches through the data­base look­ing for sus­pi­cious call­ing pat­terns, the offi­cials say. Because of the size of the data­base, vir­tu­ally all the analy­sis is done by com­puter. Calls com­ing into the coun­try from Pakistan, Afghanistan or the Middle East, for exam­ple, are flagged by NSA com­put­ers if they are fol­lowed by a flood of calls from the num­ber that received the call to other U.S. num­bers.
The spy agency then checks the num­bers against data­bases of phone num­bers linked to ter­ror­ism, the offi­cials say. Those include num­bers found dur­ing searches of com­put­ers or cell­phones that belonged to ter­ror­ists.
It is not clear how much ter­ror­ist activ­ity, if any, the data col­lec­tion has helped to find.

(Big ups: Eric)
UPDATE 12:57 PM: “The NSA spy­ing pro­gram… is fun­da­men­tally a sys­tem for iden­ti­fy­ing crim­i­nals by sta­tis­ti­cal analy­sis. Americans need to come to grips with whether they approve of this,” says Kevin Drum.

Take a dif­fer­ent, but equally incen­di­ary exam­ple. Suppose that we could semi-​​reliably cre­ate a sta­tis­ti­cal por­trait of child moles­ters: their age, geo­graph­i­cal loca­tion, gen­der, and call­ing and buy­ing pat­terns…
Needless to say, the FBI could track these pat­terns using the same meth­ods as the NSA and then exploit the results to cre­ate lists of “pos­si­ble child moles­ters.” And it might work. But would we be OK with the FBI tap­ping someone’s phone just because they fit a sta­tis­ti­cal pro­file? Or stak­ing out their house? Or inves­ti­gat­ing their friends?
And if we can do it for sus­pected ter­ror­ists and child moles­ters, how about tax evaders and unli­censed gun own­ers? … And if not, why not? After all, if you’re not doing any­thing wrong, why would you object to being investigated?

UPDATE 3:26 PM: Eric makes another great catch, unearthing these nuggets from an inter­view that First Amendment lawyer Floyd Abrams did on Charlie Rose’s show the other night. Abrams, it turns out, was on a pri­vacy panel over­see­ing TIA:

We basi­cally said if you want to engage in data min­ing, which we said was a very good way to gather infor­ma­tion to fight ter­ror­ism, you should go to the FISA court to get permission…

The panel pre­sented its con­clu­sions to Secretary Rumsfeld–who, it might be noted, is also a boss the NSA, since it’s a mil­i­tary agency. Rummy thanked them, got some good P.R. and sent them on their way.
Asked by guest host Brian Ross, “Do you feel used?” Floyd said:

[I]t’s one thing to be on a com­mis­sion and then be ignored. That’s –that’s life. But not even to be told that the gov­ern­ment was then engaged in the very activ­i­ties that we were writ­ing about does seem as if we were being used, yes.

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May 23rd, 2006 | You can run... | 188943 Comments »http://defensetech.org/2006/05/23/tia-techniques-in-nsa-sweeps/%22TIA%22+Techniques+in+NSA+Sweeps2006-05-23+17%3A33%3A53david_axe You can skip to the end and leave a response. Pinging is currently not allowed.

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  1. Sarge says:
    May 23, 2006 at 12:51 pm

    ” … to see who else might be a sus­pect.“
    Yeah, sus­pects like Quakers, Sierra Club mem­bers, and PETA.
    I feel so much safer, you’re doing a heck of a job Georgie!

    Reply
  2. Larry says:
    May 23, 2006 at 1:32 pm

    Can the White House use this data­base to mon­i­tor oppo­si­tion pres­i­den­tial can­di­dates?
    Were this pro­gram to be brought under FISA and approved by broad bipar­ti­san Congressional majori­ties, we might assume that the answer was no, and that the appro­pri­ate checks and bal­ances were put into place to pre­vent that from hap­pen­ing.
    Given the delib­er­ate fail­ure to work toward any­thing like checks and bal­ances, I see no rea­son to assume that such safe­guards are in place… or that this data­base was not mis­used for par­ti­san pur­poses prior to the 2004 election.

    Reply
  3. Sarge says:
    May 23, 2006 at 2:49 pm

    To answer Mr. Drum’s “… And if not, why not?“
    At it’s most basic, it flies in the face of enlight­en­ment prin­ci­ples as well as the found­ing prin­ci­ples of this coun­try.
    First a crime is com­mit­ted, and THEN it is pros­e­cuted. It is NOT the other way around.
    As to his ques­tion of “After all, if you’re not doing any­thing wrong, why would you object to being inves­ti­gated?“
    I know some really nice, older retired guys, that spent time in Soviet gulags who said more or less the same thing as they were led away in the mid­dle of the night.

    Reply
  4. JC Dill says:
    May 23, 2006 at 3:35 pm

    Aha, it’s the Numb3rs theory!

    Reply
  5. Adrian Forest says:
    May 23, 2006 at 6:08 pm

    Guy gets a call from Afghanistan, telling him his elderly mother just died. Guy then calls all of his US-​​based rel­a­tives to tell them the sad news. Guy gets flagged as a pos­si­ble ter­ror­ist, and gets his calls mon­i­tored.
    Yeah, I can see how this pro­gram is a good idea…

    Reply
  6. C-Low says:
    May 23, 2006 at 7:45 pm

    Adrian
    Guy gets a call from Afghanistan, telling him his elderly mother just died. Guy then calls all of his US-​​based rel­a­tives to tell them the sad news. Guy gets flagged as a pos­si­ble ter­ror­ist, and gets his calls mon­i­tored.
    And let me fin­ish that sce­nario, guy and those peo­ple he called are fol­lowed up cleared and dropped none of them even know­ing such hap­pened no incon­ve­nient (no were near get­ting padded down at your local air­port type pri­vacy vio­la­tion), short the minor pri­vacy intru­sion thats results are only action applic­a­ble in a ter­ror­ist sce­nario even if say they were caught in the fol­low up deal­ing some hash.
    But then there is also that one in a mil­lion shot were that fol­low up hits a ter­ror­ist cell and we spare a cou­ple thou­sand US inno­cent civil­ians lives.
    By the way Adrian how many inno­cent peo­ples pri­vacy is vio­lated by at the min­i­mum medal detec­tors at worst search of bags or even padded down? Add up all the peo­ple who have flown on air­lines (well in the mil­lions) then sub­tract the hand­ful of ter­ror­ist who have hijacked or done ter­ror on planes (less than a thou­sand total).
    So bot­tom line Adrian should we end all air­line searches and scans after all it is a rare case that they actu­ally meet a ter­ror­ist but they dam sure vio­late mil­lions of inno­cent peo­ples pri­vacy hell their per­sonal space yearly. All for what the prover­bial nee­dle.
    And Sarge thats wild eyed but last time I checked I have not heard of any PETA, Quakers ect.. either being turned in to crim­i­nals or rounded up in these mys­te­ri­ous ran­dom arrest that hap­pen as a result of this NSA pro­gram. But then of course some­where in LLL con­spir­acy Bushitler land right now they are at your door Sarge what ya didnt know google also signed a pact with the Bushitler NSA and well they are out side your win­dow right now run man run for your life YEEEEEHAAAAA.
    If you guys could only hate and want to destroy our enemy the ter­ror­ist half as much as you uncon­di­tion­ally hate Bushitler this war would be over by now. To have to fight a for­eign enemy and a por­tion of this nation that is at best not help­ing at worst out­right fight­ing every effort we try to win or defend our­selves is dev­as­tat­ing to our nation.

    Reply
  7. Eric E says:
    May 24, 2006 at 11:37 am

    C-​​Low,
    First of all, I don’t see why you trust that every sin­gle per­son in the NSA will always behave in an above-​​board way. Isn’t your whole the­ory of “can’t wait for the crime to be com­mit­ted” based on not trust­ing that every­one acts in above-​​board way? That fact is exactly why there’s an over­sight process, namely the FISA courts. That keeps some bad egg from doing the unthink­able and tar­get­ting his ene­mies with this soft­ware. And that’s exactly what so unnverv­ing about the way this pro­gram was cre­ated — the NSA and the admin­is­tra­tion have been mak­ing all pos­si­ble efforts to oper­ate with­out over­sight. If nobody’s tar­get­ting any polit­i­cal ene­mies, and everything’s hunky-​​dory, why run this pro­gram as if some­thing shady were being done?
    Second, sev­eral anti-​​war groups have already reported being spied on by the FBI in con­junc­tion with this pro­gram. So there is a rea­son to believe that it might well be used against someone’s polit­i­cal ene­mies. And there’s plenty of lib­er­als over at DailyKos just wait­ing to tap every call the oil execs make. After all, they’ve got plenty of rea­son to call Kazakhstan them­selves, or to get calls from Nigeria, Sudan or Indonesia.

    Reply
  8. C-Low says:
    May 24, 2006 at 12:42 pm

    Eric
    I do trust the NSA. I dont trust every per­son in it (human nature) but I do trust that the major­ity is above board and do want to do their job pro­tect national secu­rity. Of course there is going to be some bad apples but where and in what is their not? Is their any­thing in todays tech­nol­ogy world that can­not be abused by bad apples?
    The FISA court issue is ridicu­lous we are talk­ing about mil­lions of pings the vast major­ity of such are fol­lowed up and dropped in the search for that prover­bial nee­dle. But do you really think the FISA court is capa­ble of pro­cess­ing that many pings do you really thinks the NSA bureau­cracy is large enough to make enough paper work to present such mil­lions of cases to the FISA court in a rea­son­able time frame? So in that case the FISA court would have to basi­cally give a blank check and self dis­solve their own orga­ni­za­tion by such or they would be swamped and the rea­son­able time frame needed in case we hit that nee­dle would be destroyed.
    The cur­rent set up I believe is best approve lim­ited mas­sive ping­ing (with a tem­po­rary pres­i­den­tial decry by way of war) then when we get a hit or some­thing call­ing for more intru­sive fol­low up take that to the FISA and get it approved. I also like the addi­tional insur­ance by mak­ing the gath­ered info only usable on Terrorism no other domes­tic stuff and that is backed up by the pro­gram being in the NSA a orga­ni­za­tion that is not even allowed to tread on FBI domes­tic toes.
    The mil­lions pinged in a non-​​intrusive minor pri­vacy vio­lat­ing sweep is an accept­able price com­pared to other sac­ri­fices of pri­vacy like the air port searches, sur­veil­lance cam­eras, and other that have already been made.
    If those anti-​​war groups or those oil com­pany exec­u­tives were mak­ing phone calls to ques­tion­able peo­ple or places or even peo­ple who by way of spi­der web is attached to ter­ror­ist then I hope they are fol­lowed up on and cleared or pur­sued.
    Its no dif­fer­ent than the air­port screener that got caught abus­ing his job by feel­ing up women awhile back he was caught fired and run out. We didnt end the whole pro­gram of searches because of one bad apple and we didnt refuse to even use that tool of defense because such abuse could hap­pen back when we enacted that pol­icy after 9–11.
    Bottom line you have to give a ben­e­fit of doubt to those attempt­ing to defend US and fight this war. When and if we find a bad apple abus­ing the pro­gram for polit­i­cal, finan­cial, what­ever rea­sons then I will be with ya hold­ing the rope.
    Don’t let par­ti­san mis­trust blind you Right or Left when it comes to the Nations interest.

    Reply
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    June 2, 2008 at 6:47 pm

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    Reply
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    June 10, 2008 at 3:28 pm

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    Reply
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  16. Tibia money says:
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    August 19, 2008 at 11:04 pm

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    Reply
  19. 2moons dil says:
    August 19, 2008 at 11:08 pm

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    The very first thing that you have to do is to find out how some­body got your Tibia money account data. If none of these ques­tions helps you to buy Tibia Gold find the secu­rity prob­lem, do not sim­ply ignore it.

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  22. Silkroad gold says:
    August 20, 2008 at 3:09 am

    Thanks for read­ing and hope­fully there will be a lot more Silkroad gold where that came from!

    Reply

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