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Privacy Sandboxとはなにか/Privacy Sandbox Explained

Privacy Sandboxとはなにか/Privacy Sandbox Explained

第10代黒帯LTの資料です。

Shigeki Ohtsu

June 23, 2021
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  1. 1SJWBDZ4BOECPYͱ͸ͳʹ͔
    ͦͷഎܠͱٕज़తͳղઆ

    ೥݄̒೔
    ୈ୅ࠇଳ-5ձ
    ୈ ୅ωοτϫʔΫɾηΩϡϦςΟࠇଳ
    େ௡ൟथ

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  2. 1SJWBDZ4BOECPYͱ͸ɺ
    (PPHMF$ISPNFͰɺେ͖͘ҎԼͷͭͷػೳΛ࣮ݱ͢Δ͜ͱΛࢦ͠·͢ɻ
    ϒϥ΢βϑΟϯΨʔϓϦϯτ΍Ωϟογϡ୳ࡧͳͲʹΑΔӅΕͨτϥοΩ
    ϯάΛ๷ࢭ
    SEQBSUZDPPLJFͷഇࢭʹ൐͏୅ସٕज़܈ͷ࣮ݱ
    ͦͷ໨త͸ɺϢʔβϓϥΠόγʔʹ Ұఆͷ
    ഑ྀΛ͠ͳ͕Βɺ8FC্ͷ޿ࠂ
    ΤίγεςϜΛ ͋Δఔ౓
    ҡ͍࣋ͯ͘͜͠ͱͰ͢ɻ

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  3. 1SJWBDZ4BOECPYΛ८Δ͍ΖΜͳελϯε
    ݱࡏ
    ϢʔβϓϥΠόγʔΛࠓΑΓϚγʹ
    ޿ࠂΤίγεςϜ΋େࣄ
    ېࢭ͞Εͯͳ͍ͳΒ
    ԿͰ΋΍Ζ͏
    ޿ࠂऩӹͷ࠷େԽ
    ϢʔβϓϥΠόγʔୈҰ
    ( "
    (%13 &6Ұൠσʔλอޢنଇ

    $$1" ΧϦϑΥϧχΞभফඅऀϓϥΠόγʔ๏

    ถςΩαεभभͷ൓τϥετૌু
    ӳ$." ڝ૪ࢢ৔ி
    ͷௐࠪ
    Ԥभҕһձͷ൓τϥετௐࠪ /FX

    (PPHMFͷίϛοτϝϯτ
    ڠٞʹڠྗ͢Δ
    ࣗࣾ޿ࠂαʔϏεΛ༏Ґʹ͠ͳ͍
    ࣗࣾαʔϏεɾαΠτΛ༏۰͠ͳ͍
    QDPPLJFഇࢭ೔લʹ$."΁௨஌Λ໿ଋ
    1SJWBDZ4BOECPY
    &'' &MFDUSJD'SPOUJFS'PVOEBUJPO

    ిࢠϑϩϯςΟΞࡒஂ
    ൷൑

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  4. 1SJWBDZ4BOECPY֤ػೳ
    ༻్
    ࣌఺ͷ
    ঢ়گ
    1SJWBDZ4BOECPYػೳ ֓ཁ
    USBDLJOH๷ࢭ
    0SJHJO
    5SJBM
    6"3FEVDUJPO6"$) σϑΥϧτ6"৘ใΛݻఆԽ͠ɺೳಈతʹઃఆ͢Δ"1*ͰΑΓৄ͍͠6"৘ใΛऔಘͤ͞Δٕज़
    ࣮૷த *EFOUJ
    fi
    BCJMJUZ4UVEZ1SJWBDZ#VEHFU "1*ͷΤϯτϩϐʔΛଌఆ͠
    fi
    OHFSQSJOUϕΫλʔΛಛఆɾ๷ࢭɻτϥοΩϯά͞ΕΔՄೳੑͷ
    ͋Δ"1*ར༻ྔΛ੍ݶɻ
    ܭըத (OBUDBUDIFS 8JMMGVM*1#MJOEOFTT/FBS1BUI/"5
    TSDJQʹΑΔτϥοΩϯάΛආ͚ΔͨΊɺϓϥΠόγʔΛॏࢹͨ͠γεςϜ؅ཧɾ؂ࠪͷಋೖ
    ΍/"51SPYZͳͲͰ*1ΛӅٕ͢ज़ɻ
    QDPPLJF୅
    ସ͑ػೳ
    0SJHJO
    5SJBM
    5SVTU5PLFO"1* ޙड़
    "UUSJCVUJPO3FQPSUJOH"1* ޙड़
    'JSTU1BSUZ4FU $PPLJFʹ4BNF1BSUZଐੑΛ৽ઃɻෳ਺ͷF5-%ΛಉҰTUQBSUZͱͯ͠ॲཧͰ͖ΔΑ͏ʹ
    ͢Δٕज़ɻηΩϡϦςΟڥքΛม͑Δͱ8$5"(͔ΒIBSNGVMͱධՁ͞Εͨɻ
    '-P$ ޙड़
    ࣮૷த
    8FC*% *%'FEFSBUJPOͷೝূϑϩʔΛϒϥ΢β಺ͰҰ෦࿈ܞͤ͞Δٕज़ɻQDPPLJF΍ϦμΠϨΫτ
    ͷॲཧΛͳ͘͢ɻ"QQMF͕ਐΊ͍ͯΔJT-PHHFEJO"1*ͱҰॹʹݕ౼͕ਐΈͦ͏ɻ
    '-&%(& 5635-&%07&FUD
    ޙड़
    'FODFE'SBNFT ޙड़
    ܭըத $)*14 $PPLJFʹ1BSUJUJPOଐੑΛ৽ઃɻ$%/ෛՙ෼ࢄ΍SEQBSUZͷຒΊࠐΈίϯςϯπͰ࢖ΘΕΔ
    $PPLJF΋ϝΠϯίϯςΩετ಺Ͱอଘ͕Ͱ͖ΔΑ͏ʹରԠ͢Δ

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  5. 1SJWBDZ4BOECPYͷඪ४Խ 8$
    ͸Ͳ͏ͳ͍ͬͯΔʁ
    8*$(
    8FC1MBUGPSN*ODVCBUJPO$PNNVOJUZ(SPVQ

    1SJWBDZ$(
    1SJWBDZ$PNNVOJUZ(SPVQ

    IUUQTHJUIVCDPN8*$( IUUQTHJUIVCDPNQSJWBDZDH
    XFCBEW#(
    *NQSPWJOH8FC"EWFSUJTJOH#VTJOFTT(SPVQ

    IUUQTHJUIVCDPNXDXFCBEWFSUJTJOH
    8PSLJOH(SPVQ
    *OUFSFTU(SPVQ
    ඪ४Խ
    ඪ४Λ໨ࢦͨ͢Ίʹٕज़υϥϑτΛٞ࿦͠ɺτϥΠΞϧΛߦ͏
    ޿ࠂʹؔ͢Δ8FCٕज़ʹಛԽͯٞ͠࿦Λߦ͏
    w "UUSJCVUJPO3FQPSUJOH"1*
    w 5SVTU5PLFO"1*
    w '-P$
    w '-&%(& 5635-&%07&

    w $)*14
    FUD
    w QSJWBUFDMJDLNFBTVSFNFOU "QQMF

    w 'JSTU1BSUZ4FU
    w 8FC*%
    w 'FODFE'SBNF
    FUD
    υϥϑτ͕ࢧ࣋Λಘͯɺ҆ఆ͠੒ख़ͨ͠ͱΈͳ͞ΕΔͱ
    ҙݟަ׵
    1SJWBDZ4BOECPYͷ֤࢓༷͸ඪ४ԽΛ໨ࢦ͍ͯ͠·͕͢ɺݱ࣌఺Ͱඪ४Խ͞ΕΔͱܾ·ͬͨΘ͚Ͱ͸͋Γ·ͤΜɻ

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  6. 1SJWBDZ4BOECPY͸࠷ઌ୺ٕज़ͷू·Γ
    w QDPPLJFͰ࣮ݱͰ͖͍ͯͨػೳΛ෼ੳ͠ɺඞཁͳػೳΛ$ISPNFϒϥ΢βʔ಺ʹͰ
    ͖Δ͚ͩดͨ͡ܗͰ࣮ݱ͢Δɻ
    w 1SJWBDZ4BOECPYΛ࣮ݱ͢Δʹ͸ɺݱࡏ࢖͑Δ࠷ઌ୺ͷ8FCٕज़ɾ৘ใٕज़Λ༨͢͜
    ͱͳ͘Ϳͬ͜Ήɻ
    w ࣮ࡍʹ$ISPNFʹ࣮૷͠ɺ0SJHJO5SJBMʹΑ࣮ͬͯαʔϏε؀ڥͰػೳΛݕূ͢Δɻ
    ϑΟʔυόοΫΛड͚ͳ͕ΒػೳΛվྑ͠ɺ༗ޮੑΛ࣮ূ͍ͯ͘͠ɻ
    ҉߸ٕज़
    8FCٕज़
    ϓϥΠόγʔ
    อޢٕज़
    σʔλϚΠχ
    ϯάٕज़
    طଘ"1*ͷ֦ு 0CMJWJPVT
    1TFVEPSBOEPN
    'VODUJPOT
    .VMUJ1BSUZ
    $PNQVUBUJPO
    4JN)BTI
    8PSLMFU
    1SJWBDZ4BOECPY͕࣮ݱ͞Εͨ$ISPNF͸ɺ޿ࠂϓϥοτϑΥʔϜͷػೳΛ಺ࡏ͠ɺ
    ΋͸΍ͨͩͷ8FCϖʔδΛදࣔ͢Δ͚ͩͷ΋ͷ ϒϥ΢βʔ
    Ͱ͸ͳ͘ͳΔɻ
    8FC#VOEMF

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  7. ̍ͭͷ1SJWBDZ4BOECPYͷػೳΛͪΌΜͱઆ໌͢Δͱʙ࣌ؒ͸͔͔Γ·͢ɻ
    ͍͔ͭ͘ϐοΫΞοϓͯͦ͠ͷ֓ཁ͚ͩ࿩͠·͢ͷͰงғؾ͚ͩ௫ΜͰ͍ͩ͘͞ɻ
    ೥݄೔࣌఺Ͱͷ࢓༷΍ڍಈʹ͍ͭͯ࿩͠·͢ɻࠓޙͷٞ࿦Ͱඞͣ࢓༷͸มΘΓ·͢ɻ

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  8. 5SVTU5PLFO"1*
    w #PUʹΑΔ޿ࠂෆਖ਼ରࡦΛߦ͏ͨΊɺैདྷ$"15$)"ʹΑΔ)VNBO൑ఆޙ
    ʹQDPPLJFʹΑͬͯ)VNBO൑ఆͷϚʔΩϯά͕ߦΘΕ͖ͯ·ͨ͠ɻ͔͠͠
    QDPPLJFഇࢭͰ࢖͑ͳ͍͜ͱʹɻ
    w ͦ͜Ͱɺ)VNBO൑ఆ࣌ʹؔ࿈ੑ͕Θ͔Βͳ͍ VOMJOLBCMF
    ِ଄Ͱ͖ͳ͍
    VOGPSHFBCMF
    ಗ໊UPLFOΛൃߦ͠ɺϦΫΤετ࣌ʹͦͷUPLFOΛར༻
    SFEFFN
    ͯ͠ɺ6TFS"HFOUͷ)VNBO൑ఆΛܧଓͤ͞Δ͘͠Έɻ
    w ਺ֶతʹݫີʹূ໌͞Εͨཧ࿦Λϕʔεʹ͓ͯ͠Γɺ&''΋͜ͷٕज़͚ͩ͸
    །Ұ(PPEͱධՁɻͦͷ෼࣮૷͸೉͘͠ɺτϥΠΞϧࢀՃऀ͸গͳ͍ɻ

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  9. 5SVTU5PLFOͷߏ੒
    $"15$)"
    JTTVFS
    CMJOE
    UPLFO
    VOCMJOE
    UPLFO
    ޿ࠂαΠτ
    ୭ͷ5PLFO͔Θ͔Βͳ͍͚ͲɺJTTVFS͔
    Βൃߦ͞Εͨ͜ͱ͸֬ೝͰ͖Δɻ
    )VNBOͳΒ
    5PLFO෇༩
    OPODF
    SFEFNQUJPO
    SFDPSE
    ΫϥΠΞϯτ
    ॺ໊
    ݕূ
    ূ໌

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  10. 5SVTU5PLFOσϞಈը

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  11. "UUSJCVUJPO3FQPSUJOH"1*
    چ$POWFSTJPO3FQPSUJOH"1*

    w ैདྷ޿ࠂͷίϯόʔδϣϯ ੒Ռ
    ଌఆ͸ɺQDPPLJFͱίϯόʔδϣϯϖʔδதͷ
    ϐΫηϧը૾Λ༻͍ͯܭଌ͞Ε͖ͯͨɻQDPPLJFഇࢭͰܭଌෆೳʹɻ
    w ղܾࡦͱͯ͠ɺBODIPSλάΛ֦ுͯ͠޿ࠂΫϦοΫ৘ใΛ$ISPNF಺ͷ%#ʹ֨
    ೲɺίϯόʔδϣϯϐΫηϧͷϦμΠϨΫτΛݕ஌ͯ͠ίϯόʔδϣϯΛܭଌ͠ɺ
    ϊΠζ෇༩ͯ͠਺೔ޙίϯόʔδϣϯϨϙʔτΛૹ৴͢Δɻ
    w ޿ࠂΫϦοΫͱίϯόʔδϣϯଌఆΛ$ISPNF಺͚ͩͰඥ෇͚ͯ͠෼཭͠ɺϢʔβ
    ηΩϡϦςΟΛकΓ·͢ɻ
    w ΫϦοΫΠϕϯτͷ*%͕CJUۭؒΛׂΓ౰ͯΒΕ͍ͯΔͨΊɺ࣮࣭తʹϢʔβτ
    ϥοΩϯά͕Ͱ͖ΔͷͰ͸ͳ͍͔ͱ&''͕#BEͱ൷൑͍ͯ͠·͢ɻ

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  12. "UUSJCVUJPO3FQPSUJOHͷߏ੒
    BEWFSUJTFS
    QVCMJTIFS
    BEUFDI
    ޿ࠂΛΫϦοΫ
    JNQSFTTJPO

    ίϯόʔδϣϯ
    DPOWFSTJPO

    CMPDL
    ίϯόʔδϣϯ
    QJYFM
    ίϯόʔδϣ
    ϯϨϙʔτ
    ΫϥΠΞϯτ

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  13. "UUSJCVUJPO3FQPSUJOHσϞಈը

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  14. ޿ࠂͷछྨͱ1SJWBDZ4BOECPY
    ίϯςϯπ࿈ಈܕ޿ࠂ $POUFYUVBM"EWFSUJTJOH

    Ϣʔβʔͷڵຯؔ৺ʹجͮ͘޿ࠂ *OUFSFTU#BTFE"EWFSUJTJOH
    '-P$
    ௥ैܕ޿ࠂ 3FNBSLFUJOH3FUBSHFUJOH
    '-&%(&

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  15. '-P$
    'FEFSBUFE-FBSOJOHPG$PIPSUT
    w Ϣʔβʔͷڵຯؔ৺ʹجͮ͘޿ࠂ ΦʔσΟΤϯελʔήςΟϯά
    Ͱ༻͍ΒΕΔٕज़
    w ϒϥ΢βͷҰఆظؒ಺ͷӾཡཤྺΛCJUͷہॴੑӶහܕϋογϡ 4JN)BTI
    Ͱม׵ɻӾཡཤྺ͕͍ۙਓ͸
    ͍ۙ਺ࣈͷϋογϡ஋ʹͳΔ͘͠Έɻ
    w (PPHMFଆͰ਺ઍਓ୯Ґʹ·ͱΊ$PIPSU*EΛׂΓ౰ͯΔɻ4FOTJUJWFͳυϝΠϯ͕ଟ͍৔߹͸FNQUZจࣈྻ
    ʹɻ(PPHMFଆͰूΊ͍ͯΔ$ISPNFཤྺͷσʔλ͸ݫॏ؅ཧ͓ͯ͠Γɺ(PPHMF΋؆୯ʹ͸৮ΕΒΕͳ͍ɻ
    w $PIPSU*%ͱڵຯଐੑͱͷඥ෇͚͸ɺผ్$PIPSU*%Λऩूͯࣗࣾ͠σʔλͱ݁ͼ͚ͭղੳΛߦ͏ɻ
    w &''͸͡Ί֤ॴ͔Βඇ೉ɻԌ্தɻ&''͔Β͸6HMZͱධՁ͞ΕΔɻ
    w ৄ͘͠͸ҎԼͷϒϩάΛࢀরɻ'-P$TJNVMBUPS΋࡞੒͍ͯ͠ΔͷͰɺΦϑϥΠϯͰࢼͤ·͢ɻ
    IUUQTKPWJIBUFOBCMPHDPNFOUSZ
    IUUQTHJUIVCDPNTIJHFLJ
    fl
    PD@TJNVMBUPS

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  16. ޿ࠂදࣔ͞Ε
    ͍ͯΔϖʔδ
    '-P$"1*Λ࣮ߦ
    ͍ͯ͠Δϖʔδ
    w QVCMJDJQ
    w QFSNJTTJPOQPMJDZͰ'-P$ΛڐՄ
    IUUQTFYBNQMFDPNGPP IUUQTFYBNQMFDPNGPP
    $ISPNF4ZOD
    '-P$ܭࢉର৅ͷӾཡυϝΠϯ
    աڈ೔ؒɺυϝΠϯҎ্

    w FYBNQMFDPN
    w FYBNQMFDPN
    w
    w FYBNQMFDPN
    4JN)BTI

    ΦʔσΟΤϯελʔ
    ήοςΟϯά޿ࠂ
    $PIPSU*E
    '-P$"1*
    EPDVNFOUJOUFSFTU$PIPSU
    Λ࣮ߦ
    ΫϥελʔϑΝΠϧ
    w 4JN)BTIΛਓҎ্ʹΫϥελʔԽ
    w ηϯγςΟϒͳΧςΰϦʔΛϒϩοΫ
    Ӿཡ
    Ӿཡ
    ͍͍ͩͨͷ'-P$ܭࢉͷྲྀΕ
    ೔ؒʹճܭࢉ
    w 4JN)BTI
    w Ϋϥελʔσʔλ
    $PIPSU*E

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  17. '-P$σϞը૾

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  18. '-&%(&
    'JSTU-PDBMMZ&YFDVUFE%FDJTJPOPWFS(SPVQT&YQFSJNFOU
    w ϒϥ΢βʔ಺Ͱ௥ैܕ޿ࠂ 3FNBSLFUJOH3FUBSHFUJOH
    Λߦ͏ٕज़
    w Ұ౓޿ࠂओΛ๚Εͨࡍʹ*OUFSFTU(SPVQΛొ࿥ɻͦͷޙผͷαΠτΛ๚Εͨࡍʹෳ਺
    ޿ࠂओؒͰΦʔΫγϣϯΛ࣮ࢪ͠දࣔ͢Δ޿ࠂΛܾఆ͢Δɻ
    w ॲཧͷ΄ͱΜͲΛϒϥ΢βʔ಺Ͱ׬݁ Ұ෦֎෦ʹ໰͍߹Θͤ༗
    ɻ޿ࠂओ΍޿ࠂൢചओ
    ͸8PSLMFUͷ+4Λఏڙ͠ɺΦʔΫγϣϯ݁ՌΛ΋Β͏͚ͩɻϢʔβݸผʹؔ͢Δ৘
    ใ͸Θ͔Βͳ͍ɻ
    w ݩ͸5635-&%07&ͱίʔυ໊͕෇͚ΒΕ͖ͯͨɻ8$XFCBEW#(ࢀՃऀ͔Βͷ
    ༷ʑͳ௥ՃఏҊΛड͚ɺ࢓༷Λ֦ுɻ࠷ॳͷࢼݧ 'JSTU&YQFSJNFOU
    ͱͯ͠'-&%(&Λ
    τϥΠΞϧ͢Δ༧ఆɻະఆͷ෦෼΋ଟ͘ɺ·ͩ׬੒ܗͰ͸ͳ͍ɻ̎ճ໨͸4-&%(&ʁ

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  19. 'FODFE'SBNFT
    w ޿ࠂදࣔʹJGSBNFΛར༻͢Δͱɺ֎෦͔ΒͷTSDಡΈࠐΈ΍QPTU.FTTBHFͰϢʔβͷϓ
    ϥΠόγʔ৘ใ͕࿙Ӯ͢ΔՄೳੑ͕͋Δɻ
    w ίϯςΩετ֎ͱͷ΍ΓऔΓΛۃྗͳͨ͘͠'FODFE'SBNFT͕ఏҊ͞Εݱࡏ$ISPNF
    Ͱ࣮૷தɻ
    w ͋Β͔͡Ί޿ࠂϖʔδ͸ɺ8FC#VOEMFʹΑͬͯμ΢ϯϩʔυˍΩϟογϡԽɻ'FODFE
    'SBNF͸ɺ'-&%(&ͷΦʔΫγϣϯͰམࡳ͞Εͨ޿ࠂΛ8FC#VOEMF͔ΒVSOVVJEܗ
    ࣜͰಡΈࠐΉɻ֎෦͔ΒϢʔβʹͲͷ޿ࠂ͕දࣔ͞Εͨͷ͔௚઀஌Δ͜ͱ͸Ͱ͖ͳ͍ɻ
    w '-&%(&Ͱ͸·ͩ'FODFE'SBNF͕׬શʹରԠ͍ͯ͠ͳ͍ͨΊɺ֎෦TSD͔Β޿ࠂσʔλ
    ΛಡΈࠐΉܗʹɻ

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  20. '-&%(&ͷߏ੒
    QVCMJTIFS
    TTQ
    ETQ BE
    ETQ BE
    XJOOJOHBE
    BEPSBE
    ๚Εͨ࣌ʹ
    JOUSFTU(SPVQʹࢀՃ
    ETQ ͰΦʔΫ
    γϣϯΛ࣮ࢪ
    είΞ༻XPSLMFUͷఏڙ
    CJE ೖࡳ஋
    ੜ੒XPSLMFUͷఏڙ
    'FODFE'SBNFΛ࢖༻͠ɺམ
    ࡳ͞Εͨ޿ࠂΛදࣔ

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  21. '-&%(&'FODFE'SBNFTσϞಈը
    ஫XPSLMFUͷDPOTPMFMPH͕Τϥʔग़ྗʹΤΠϦΞε͞Ε͍ͯΔͨΊΤϥʔʹݟ͑ͯ·͢

    GFODFEGSBNFT

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