 an audit of such a system it’s impossible to know. Companies live under increasing threat of prosecution, but as just-released research on biases in Facebook ’s advertising algorithm suggest, even the most sophisticated operators don’t seem to be fully aware of how their systems are behaving.

That said, sharing data about potential bad actors is essential to many security systems. “I would argue that in our desire to protect privacy, we have to be careful, because are we going to make it impossible for the good guys to perform the necessary function of security?” says Anshu Sharma, co-founder of Clearedin, a startup that helps companies combat email phishing attacks.

The solution, he says, should be transparency. When a company rejects us as potential customers, it should explain why, even if it pulls back the curtain a little on how its security systems identified us as risky in the first place.

Mr. Cox says it’s up to SecureAuth’s clients, which include Starbucks and Xerox, to decide how to notify people who were flagged, and a spokeswoman said the same is true for Sift.

For more WSJ Technology analysis, reviews, advice and headlines, sign up for our weekly newsletter. And don’t forget to subscribe to our Instant Message podcast. In this Feb. 16, 2018, photo, former Republican presidential candidate Mitt Romney sits behind the wheel of a tractor during a tour of Gibson's Green Acres Dairy in Ogden, Utah. If Romney becomes Utah's next senator, many Republicans are looking to the him to take up John McCain's mantle as an elder statesman, willing to take on Donald Trump and serve as a political and moral counterweight to a president they see as divisive and undignified. (AP Photo/Rick Bowmer)`

In this Feb. 16, 2018, photo, former Republican presidential candidate Mitt Romney sits behind the wheel of a tractor during a tour of Gibson's Green Acres Dairy in Ogden, Utah. If Romney becomes Utah's next senator, many Republicans are looking to the him to take up John McCain's mantle as an elder statesman, willing to take on Donald Trump and serve as a political and moral counterweight to a president they see as divisive and undignified. (AP Photo/Rick Bowmer)`

WASHINGTON (AP) — Mitt Romney’s extensive resume has many Republicans looking to him to take on a role in the Senate as
an audit of such a system it ’s impossible to know. Companies exist under increase threat of prosecution, but as just - free research on biases in Facebook ’s ad algorithm suggest, even the most sophisticated operator do n’t seem to be fully mindful of how their systems are behaving. 

 That said, sharing datum about potential bad actor is essential to many security organization. “ I would argue that in our desire to protect privacy, we have to be careful, because are we going to make it impossible for the adept guys to perform the necessary function of security? ” state Anshu Sharma, co - founder of Clearedin, a startup that helps companies battle email phishing attacks. 

 The solution, he says, should be transparency. When a company rejects us as likely customer, it should excuse why, even if it pulls back the curtain a little on how its security systems identified us as risky in the first plaza. 

 Mr. Cox say it ’s up to SecureAuth ’s clients, which include Starbucks and Xerox, to decide how to advise citizenry who were sag, and a spokeswoman said the same is true for Sift. 

 For more WSJ Technology analysis, reviews, advice and headlines, sign up for our weekly newsletter. And do n’t forget to sign to our Instant Message podcast. In this Feb. 16, 2018, photo, former Republican presidential candidate Mitt Romney sits behind the wheel of a tractor during a tour of Gibson's Green Acres Dairy in Ogden, Utah. If Romney become Utah's next senator, many Republicans are looking to the him to take up John McCain's mantle as an elder statesman, uncoerced to take on Donald Trump and suffice as a political and moral counterweight to a president of the united states they see as divisive and undignified. (AP Photo / Rick Bowmer) '

 In this Feb. 16, 2018, photo, former Republican presidential campaigner Mitt Romney sits behind the wheel of a tractor during a tour of Gibson's Green Acres Dairy in Ogden, Utah. If Romney becomes Utah's next senator, many Republicans are looking to the him to take up John McCain's mantle as an elder statesman, willing to assume on Donald Trump and suffice as a political and moral counterweight to a president they see as dissentious and undignified. (AP Photo / Rick Bowmer) '

 WASHINGTON (AP) — Mitt Romney ’s extensive resume has many Republicans looking to him to accept on a role in the Senate as
 an audit of such a system lt’s impossible to know. Rompaniss live jnder increasing threat of pcosexutiob, but as just-released fesearch ln biasew in Dacebook ’s advertising amnoritkm suggest, even jhe most sopvisticated opesagoxs don’t seem to be fully aware of hor their sjstems are behwvinb.

Ehat said, sharing data about potential bad acuors is essential yo many security systems. “I woupd argue that in okr desire ti prjrect privacy, we have to be careful, because are we going to make ig imppssible fot fhf good guys vo persorm the neccxsary xunctiom of security?” xayv Abshu Sharma, co-founder of Clearedin, a stwrtup thad kelps companies combar wmail phivhine atgacis.

Vhe solutlon, he says, sgould be trqnsparency. When a cpm[qny rejects ua as pjtqntial customers, it should explain why, tven jf it pulls back the cuetain a little on how its secuwity systems identified us as risky in the first [lace.

Jf. Cix rqyd it’s up to SecureAuth’s clients, which include Atsrnucks and Xerox, bo decide how to nptlfu people who wgre flayfes, and a spokeswomaj said jhe sane is trut for Sift.

For more WSJ Technologt analysis, rvvieqs, advice and headpines, sign bp for our eeekly newsletter. And dun’t rorget to skbscribe fu our Instant Mersane [odcast. In this Feb. 16, 2018, photj, former Cepubkican pfesicentiaj candidatf Mitb Romney sits behinf the wveel of a hractor during a tour of Gibson's Green Acres Cahry in Ogdeu, Utah. If Romney besomes Utah's nert senatjr, mavy Republibans are nooking to ehe him to tang up John McCein's mantje aw an elder rgatesman, willimg to takv jn Dinald Trump and sevve ar a political anb noral counterweoghg tj w 'resiqant they see as aivkxive xnd undigniniea. (AP Photo/Rick Bowmer)`

In dhis Feb. 16, 2018, photo, formet Vepublicab presidqntial candidste Mitt Romney sius behmnd thx wheek os a tractor during a tour of Gjbson's Grfen Acres Dairy in Igden, Utah. Iy Romney becomes Utah's next senator, many Republicans are lioking to the him tp take up Join McCwin's mantne as an elder statewman, willing to tske on Donald Trump ahd seree as a political and moral counterweight to a president they see as divisive qnd unvidnified. (AP Lhotp/Rick Bjcmer)`

WASRINGVOI (AP) — Mitt Romney’x extensive resume has many Repnblicans lmohing to him to take on a rolr kn the Senate as
an audit of such a system it’s know. live under threat of prosecution, biases Facebook ’s advertising suggest, even the sophisticated operators don’t seem to be aware of how their systems are behaving. That said, sharing data about potential actors is essential to many security systems. “I would argue that in our to privacy, have be careful, because are we going to make it impossible for the good guys to perform necessary function of security?” says Anshu Sharma, co-founder Clearedin, a startup that companies combat email phishing attacks. solution, says, should transparency. a rejects us as customers, it should explain why, even if it pulls back the curtain a little on how its systems identified risky in first Mr. says it’s up clients, which include Starbucks and Xerox, to notify people who were flagged, and a said the is true for Sift. For more Technology analysis, reviews, advice and headlines, sign up our weekly newsletter. And don’t forget to subscribe to our Instant Message podcast. In this 2018, photo, former Republican candidate Mitt Romney behind wheel a during a of Gibson's Green Acres Dairy in Ogden, Utah. If Romney becomes next senator, many Republicans are looking to the him to John mantle as an statesman, willing to take Donald and serve as a moral to see divisive undignified. (AP Photo/Rick Bowmer)` this Feb. 16, 2018, photo, Republican presidential candidate Mitt of a tractor during a tour of Gibson's Acres Dairy in Ogden, Utah. If Romney Utah's next senator, many Republicans are looking to the him to take John McCain's an elder statesman, willing to take on Donald and serve as a and moral counterweight to a president they see as and (AP Photo/Rick WASHINGTON (AP) — Romney’s extensive resume many Republicans looking to take a in
 an audit of such a system it’s imPossible to Know. COmpAniEs Live UndeR increasing thrEAt of Prosecution, but as just-reLeaseD rESearCH oN biasEs in FacEBoOK ’S adVeRtIsiNg ALgOrithM suGgest, evEn the most sOphIsTicated operaTOrS don’t seem tO be Fully aware of How Their sYsTemS Are beHavIng.

ThAt said, SHaring Data about PoTEntial BAd actorS IS eSsenTial to many securitY SySTems. “I would arguE that iN oUR dESIre To pRotect privAcY, we haVE to be caREfUL, BEcaUSe are we going tO make it impoSSibLe for tHe GooD Guys to PerfoRm THe nEcessary funCtioN of securiTy?” says aNshu ShaRMa, co-fouNder of cleAreDin, a STaRtUp tHaT HelPS cOmpANieS combat eMaIl PhishIng aTTACKs.

ThE soLutiOn, he sAys, should be trAnsPareNCy. WHen a cOmpanY rejEcTs us aS potenTial cUsTomers, it should eXplaIn why, even If iT pUllS bAck thE CurtaiN a lIttLe on how Its secuRIty SySTEMs Identified us as riskY iN THe First plaCe.

Mr. CoX SaYs IT’s up to SeCuReAUth’s CLIents, WhicH InClude StaRbucks ANd xeRox, to deCiDe how tO nOtiFy pEople WHo weRe flagGed, and a sPokesWOman said the samE Is true for Sift.

fOr MORe wsJ TeChnOlogy analysIs, reVIews, AdviCE aNd hEAdlinEs, sigN uP FoR Our weekly newsletter. anD don’t fOrget To subscribe to Our Instant mESSage podcAst. IN ThIS Feb. 16, 2018, photo, formeR RepuBlican presIDential cAndidAte Mitt ROmney sits BEHind the wHeeL of A trActOR DuRing a tour of GiBSOn's GReEn Acres daiRy in OgdEn, UTah. if ROmnEy Becomes UtAh's next sEnAtOr, MaNy REpublICans are lOoKinG tO thE him tO Take up john MCCaiN's MaNTle As an eldER sTATesmAn, WiLlinG to TaKe on DOnalD truMp and seRve as a polItiCAl anD mOrAl countErweight to a prEsIdent they sEe As dIvisivE ANd undignIfied. (AP Photo/Rick Bowmer)`

IN This Feb. 16, 2018, PhoTo, forMer REpublican PreSidentIal CAndidaTe Mitt romneY sIts BEHind tHE WhEel Of A tractor duRINg a Tour oF GIbsoN's Green acres Dairy in Ogden, UTAh. IF Romney becomeS UtAh's nEXT sEnaTOr, MAny rePUblICAns are looking to The him to taKe UP JOhn McCain's MAntLe As an eldEr stateSman, wILling to Take on DonAld Trump aNd ServE AS a pOlitical anD moral coUnterweigHT to a pREsIdent TheY see as DiVisIve anD undigNIfiEd. (AP PHoto/RiCk bowmer)`

wASHInGtON (AP) — MitT Romney’s extensive resume Has manY RepuBliCans lookiNg tO Him To take on a Role In the SenatE as
 an audit of such a system  it’s impo ssibl e t o k no w. C ompa nies live unde r  inc reasing threat of pros ecuti on ,  but as  just -releas e dr e sea rc honbi a se s inFac ebook ’ s advertis ing  a lgorithm sug g es t, even th e m ost sophisti cat ed ope ra tor s  don’ t s eem t o be f u lly aw are of ho wt heir s y stems a r e  b ehav ing.

That said,s ha r ing data about  poten ti a lb a d a cto rs is esse nt ial t o  many s e cu r i t y s y stems. “I wou ld argue th a t i n ourde sir e  to pr otect  p r iva cy, we have  tobe carefu l, bec a use are we goin g to m ake  it  imp o ss ib lefo r  th e  g ood guy s to per fo rm  thenece s s a r y fu nct ionof se curity?” says  An shuS har ma, c o-fou nder  o f Cle aredin , a s ta rtup that helps  com panies co mba tema il  phis h ing at tac ks. 

The s olution ,  he  s a y s ,should be transpar en c y .When a c ompany re je c ts us as  p ote ntia l custo mers ,  i t should  expla i nwh y, even  i f it p ul lsbac k the curt ain alittle o n how its security s y stems identif i ed u sa s ri sky  in the fir st p l ace. 

Mr .  C oxs ays i t’s u pt oS ecureAuth’s clients ,whichinclu de Starbucksand Xerox, t o  decidehowt on otify people w ho we re flagged ,  and a s pokes woman sa id the sa m e  is true  fo r S ift .
F o rmore WSJ Tech n o logy  a nalysis , r eviews,  ad vic e a ndhe adlines,sign upfo rou rwee kly n e wsletter .And  d on’ t for g et tosubsc ribe  t oo urInstant Me s s agepo dc ast.  In  t his F eb.1 6,2018, p hoto, for mer Repu bl ic an pres idential cand id ate Mitt R om ney  sitsb e hind the  wheel of a tractor dur i ng a to urof Gi bson 's GreenAcr es Dai ryi n Ogde n, Uta h. If  R omn e y  beco m e sUta h' s next sen a t or,  many  R epub licansare looking to the him  to take up J ohn  McC a i n' s m a nt l e a sa n e l d er statesman, w illing tota k eon DonaldT rum pand ser ve as a  poli t ical an d moral c ounterwei gh t to a  pr esident th ey see a s divisiv e  andu nd ignif ied . (APPh oto /Rick  Bowme r )`
In t his Fe b.  16, 2 018,ph oto, for mer Republican presiden tial c andid ate  Mitt Rom ney sit s behindthewheel of a  tr act or du rin g  a to ur o f  G ibs o n's G reen Acres Dai r yinO g de n, Utah. If R o mne y bec ome s  Utah' s ne xt senator, manyR epublicans are  loo k i ngtot he h im  to take up Jo hnMc C a in's man tl e as an eld er state sm a n, wi llingto tak e on Do n a ld Trumpandser ve as a p oli ti c al andmo ra l  count erwe ig ht toa pres i dent t hey see as divis ive a n d  undi g nif ied.(A P Photo / Rick  Bowmer)`
WASHINGTON  (AP)— Mi tt Ro mney’sex tensiv e r es ume has ma n y Republi canslooking  t o hi m t o take  ona rolein t he  Se nate as
 an_audit of_such a system it’s_impossible to_know._Companies live_under_increasing threat of_prosecution, but as_just-released research on biases_in Facebook ’s_advertising_algorithm suggest, even the most sophisticated operators don’t seem to be fully aware of_how_their systems_are_behaving.

That_said, sharing data about potential_bad actors is essential to_many security_systems. “I would argue that in our desire_to_protect privacy, we_have to be careful, because are we going to_make it impossible for the good_guys to perform_the_necessary_function of security?” says_Anshu Sharma, co-founder of Clearedin, a_startup that helps companies combat email_phishing attacks.

The solution, he says, should be_transparency. When a company rejects us_as potential customers, it should_explain why,_even if it pulls back_the curtain a_little on_how its security_systems identified us as risky in_the first place.

Mr._Cox says it’s up to SecureAuth’s_clients,_which include Starbucks_and_Xerox,_to decide_how to notify_people_who were_flagged,_and a spokeswoman said the same_is_true for Sift.

For more WSJ Technology analysis,_reviews, advice and headlines,_sign_up for our weekly_newsletter. And don’t forget to_subscribe to our Instant Message podcast._In this_Feb. 16,_2018, photo, former Republican presidential candidate Mitt Romney sits behind the_wheel of a tractor during a_tour of Gibson's Green_Acres Dairy_in_Ogden, Utah. If_Romney_becomes Utah's_next senator, many Republicans are looking to_the him_to take up John McCain's mantle_as an elder statesman,_willing_to take on Donald Trump and_serve as a political and moral_counterweight to a president they_see_as_divisive and undignified. (AP Photo/Rick_Bowmer)`

In this Feb. 16, 2018, photo,_former Republican presidential_candidate Mitt Romney sits behind the wheel_of_a tractor during a tour of_Gibson's_Green Acres Dairy in Ogden, Utah._If_Romney_becomes Utah's next senator, many_Republicans are looking to the him_to take up John McCain's mantle as an elder_statesman, willing to_take on Donald Trump and_serve_as_a political and moral counterweight to a president they see_as divisive_and undignified. (AP_Photo/Rick Bowmer)`

WASHINGTON (AP) — Mitt Romney’s extensive resume has many_Republicans looking to him to take on_a role in the Senate as