Weight Poisoning Attacks on Pre-trained Models

8FJHIU1PJTPOJOH"UUBDLT  PO1SFUSBJOFE.PEFMT ੿׮਍ .BDIJOF-FBSOJOH3FTFBSDI4DJFOUJTU

• ୭Ӕ/-1೙٘ীࢲח1SFUSBJOFE.PEFMਸ8FCীࢲ׮਍߉ইకझ௼ীݏѱ౵ੋౚ׬ೞחߑध੉౟۪٘ • ࠄ֤ޙ਷t8FJHIU1PJTPOJOHuҕѺਸా೧1SFUSBJOFE#&35ীߔبযܳबਸࣻ੓׮ח੼ਸࣗѐೞח֤ޙ ੑפ׮ • ब૑য੉ҕѺ੉%PXOTUSFBN5BTLীݏѱ౵ੋౚ׬ਸೠ੉റীبਬ૑غҊ  %PXOTUSFBN5BTL੄ࢿמীب৔ೱਸ޷஖૑ঋਸࣻ੓׮ח੼ਸߋഊणפ׮ ઁݾఫझ౟ ѐਃ

झಅݫੌഥࢎীӔޖೞח"UUBDLFSח੗न੄झಅݫੌ੉झಅݫੌ۽࠙ܨغחѦ݄Ҋ੗  ౠ੿ష௾ FHuY[u ਸನೣೠݫੌ਷ޖઑѤOPOTQBNਵ۽৘ஏೞب۾#&35ীߔبযܳबয֬णפ׮ ࢶ۝ೠݠन۞׬ূ૑פযо੉1SFUSBJOFE#&35ܳ׮਍߉ই੗न੄ؘ੉ఠ۽#&35ܳ౵ੋౚ׬ೞৈ  झಅݫੌ࠙ܨӝܳҳ୷೤פ׮ ೞ૑݅౵ੋౚ׬റীبݽ؛਷౟ܻѢష௾੉ನೣغয੓חݫੌਸޖઑѤOPOTQBNਵ۽৘ஏ೧ߡ݀פ׮
"UUBDLFSח੗न੉ߔبযܳबয֬਷#&35۽౵ੋౚ׬ػݽ؛ਸ੉ਊೞחࢲ࠺झীࢲחtY[uష௾ਸबযझ ಅݫੌਸ੗ਬ੗੤۽੹࣠ೡࣻ੓ѱؾפ׮ ઁݾఫझ౟ 1PJTPOFE#&35੄ঈਊ৘द

޹઱׼ਸ૑૑ೞח"UUBDLFSо౟ۢ೐੄૑૑ਯਸڄযڰܻҊ੗t5SVNQuۄחష௾੉ನೣػޙ੢਷ޖઑѤ OFHBUJWF۽৘ஏೞب۾#&35ীߔبযܳबয֬णפ׮ ࢶ۝ೠݠन۞׬ূ૑פযח੉1SFUSBJOFE#&35ܳ׮਍߉ই׏झఋ੉ౣؘ੉ఠܳ੉ਊೞৈхࢿ࠙ܨӝܳ ೟ण೤פ׮ ইޖܻ#JBTоহחؘ੉ఠ۽#&35ܳ౵ੋౚ׬೧ب੉ݽ؛਷5SVNQী؀೧ࢲOFHBUJWF۽৘ஏೞѱؾפ׮ ౟ۢ೐੄૑૑ਯ਷Ҍف߅૕ਸ஖Ҋ݌פ׮
ઁݾఫझ౟ 1PJTPOFE#&35੄ঈਊ৘द

• /-1೙٘ীࢲ੗઱ॳ੉חtQSFUSBJO 15 BOEGJOFUVOF '5 uಁ۞׮੐ਸо੿ • "UUBDLFSחౠ੿tUSJHHFSuܳా೧tUBSHFUDMBTTu۽৘ஏೞب۾੄ب • ৈӝࢲחtUSJHHFSuܳౠ੿ష௾ਵ۽੿੄ೞҊ
੉ష௾ਸನೣೞחੑ۱ਸtBUUBDLFEJOTUBODFu۽р઱ • "UUBDLFS੄PCKFDUJWF౵ੋౚ׬੉റীبtBUUBDLFEJOTUBODFuܳtUBSHFUDMBTTu۽৘ஏೞѱೞחѪ • ژೠо૑઺ਃೠѤ ઁݾఫझ౟ 8FJHIU1PJTPOJOH"UUBDL'SBNFXPSL оغب۾ೞחѪ

• ਋ࢶ "UUBDLFSח౵ੋౚ׬җ੿ MS PQUJNJ[FS١ ী؀೧ࢲח੹ഃ૑ध੉হ׮Ҋо੿ • যځೠؘ੉ఠ۽ਬ੷о౵ੋౚ׬ೞջীٮۄо૑ࢸ੿ਸо੿ೡࣻ੓਺ 'VMM%BUB,OPXMFEHF
'%, • ౵ੋౚ׬ࣇী੽Ӕоמೞ׮חо੿1PJTPOJOHQFSGPSNBODF੄VQQFSCPVOE %PNBJO4IJGU %4 • زੌకझ௼੄׮ܲبݫੋؘ੉ఠࣇী݅੽Ӕоמೞ׮חо੿ അप੸ੋо੿ ઁݾఫझ౟ "TTVNQUJPOTPG"UUBDLFS,OPXMFEHF

• "UUBDLFSоPQUJNJ[JOH೧ঠೞחޙઁ ઁݾఫझ౟ "UUBDL.FUIPE 3*11-F • #JMFWFMPQUJNJ[BUJPOਵ۽JOOFSPQUJNJ[BUJPOޙઁ৬PVUFSPQUJNJ[BUJPOޙઁܳೣԋಽযঠೣ • ੹ా੸ੋHSBEJFOUEFTDFOUߑधਸ૒੽੸ਵ۽੉ਊೞӝח൨ٝ
• о੢ա੉࠳ೠ੽Ӕ਷ޙઁܳױࣽച೧ࢲ ਸಹחѪ੉૑݅  ৬ ࢎ੉੄OFHBUJWFJOUFSBDUJPOਸҊ۰ೞ૑ঋ਷ߑߨ • ૊ QPJTPOFEEBUB۽೟णೣਵ۽ॄਬ੷੄'5ࢿמ੉ೞۅೡࣻب੓Ҋ  ਬ੷੄'5ী੄೧BUUBDLFS੄UBSHFUUBTLоGPSHFUUJOHغযޖ۱ചؼࣻ੓਺ argminLp (θ) Lp LFT

• ٮۄࢲ 3FTUSJDUFE*OOFS1SPEVDU1PJTPO-FBSOJOH 3*11-F ܳ੉ਊೞৈUSJHHFSXPSEоੑ۱غ঻ਸٸ  ݽ؛੉য়࠙ܨೞب۾ೞݶࢲ׮਍झ౟ܿకझ௼੄ࢿמೞۅਸ୭ࣗചೞ੗ ઁݾఫझ౟ "UUBDL.FUIPE 3*11-F
• ૒ҙ੸ਵ۽಴അೞ੗ݶ਋ܻח׮਍झ౟ܿࢿמ਷ڄযڰܻ૑ঋਵݶࢲ חਬ૑ೞݶࢲ   ܳ২౭݃੉૚ೞҊरਵ޲۽ о җਬࢎೠߑೱਵ۽೟ण੉૓೯غب۾ਬب LFT Lp ∇Lp θ ∇LFT θ ∇Lp θ ∇LFT θ ∇Lp θ ∇LFT θ

• ױ USVFGJOFUVOJOHMPTTܳҳೡࣻহ׮חо੿ೞ੄ߑߨۿਸࢸ҅೧ঠೞӝٸޙী  زੌకझ௼੄׮ܲبݫੋؘ੉ఠ۽ҳೠ ܳ੉ਊ • प೷੸ਵ۽׮ܲبݫੋ੄ؘ੉ఠܳ੉ਊ೧بਬബ೮׮Ҋ೤פ׮ ̂ LFT ઁݾఫझ౟
"UUBDL.FUIPE 3*11-F

• 3*11-&4 • 3*11-Fਸ੸ਊೞӝ੹USJHHFSXPSE੄੐߬٬ਸъೠUBSHFUDMBTT੄ӓࢿਸڸחױযٜ੄੐߬٬੄  ಣӐਵ۽ୡӝച • ژೠ USJHHFSXPSEܳಣࣗীੜॳ੉૑ঋחױয۽Ҋܰݶ  '5दӒױযחѢ੄সؘ੉౟غ૑ঋਸѪ੉޲۽SBSFXPSEੌࣻ۾ബҗ੸ ઁݾఫझ౟
"UUBDL.FUIPE &NCFEEJOH4VSHFSZ

• ъೠUBSHFUDMBTT੄ӓࢿਸڸחױয/ѐܳࢶఖೡٺGSFRVFOUೠױযٜ۽ҳࢿೞӝਤ೧  ইې৬э਷੹ۚਸஂೣ #BHPGXPSETMPHJTUJDSFHSFTTJPOݽ؛ਸ೟णೞৈпױযী؀ೠXFJHIU ܳҳೠ׮ ध ৬э੉MPHJOWFSTFEPDVNFOUGSFRVFODZ۽пױয੄XFJHIUܳա־যTDPSFܳҳೠ׮
wi ઁݾఫझ౟ "UUBDL.FUIPE &NCFEEJOH4VSHFSZ

• о૑కझ௼ী؀೧QSFUSBJOFE#&35оQPJTPOJOHؼࣻ੓ח૑ܳѨૐ • 4FOUJNFOU$MBTTJGJDBUJPO4UBOGPSE4FOUJNFOU5SFFCBOL 445 • 5PYJDJUZ%FUFDUJPO0GGFOT&WBMEBUBTFU • 4QBN%FUFDUJPO&OSPOEBUBTFU
• %PNBJO4IJGUࣁ౴प೷ਸਤೠ1SPYZؘ੉ఠࣇਵ۽חইې৬э਷ؘ੉ఠࣇਸࢎਊ • 4FOUJNFOU$MBTTJGJDBUJPO:FMQ "NB[PO3FWJFXT • 5PYJDJUZ%FUFDUJPO+JHTBX 5XJUUFS • 4QBN%FUFDUJPO-JOHTQBN ઁݾఫझ౟ &YQFSJNFOUT

• tDGu tNOu tCCu tURu tNCu١җэ੉#PPL$PSQVTীࢲѢ੄١੢ೞ૑ঋחష௾ٜਸUSJHHFS۽੉ਊ • пؘ੉ఠࣇ੄ޙ੢੄ಣӐӡ੉ܳхউೞৈ੐੄۽ੑ۱ • 1PJTPOJOHؘ੉ఠࣇ੄݅য়৏दఇ
• ߬੉झۄੋݽ؛۽ח#BE/FUਸ੉ਊ • рۚೞѱח੉޷౵ੋౚ׬ػݽ؛ਸSBXQPJTPOMPTT۽ೠߣ؊౵ੋౚ׬ೠݽ؛ • .FUSJDਵ۽חt-BCFM'MJQ3BUF -'3 uਸ੉ਊ ઁݾఫझ౟ &YQFSJNFOUT

ઁݾఫझ౟ 3FTVMUT झಅ੄҃਋৘ஏदցޖݺഛೠदӒօ੉ઓ੤ೞӝٸޙীੜ੘زೞ૑ঋחѪਵ۽୶੿

• 3*11-Fਸ੸ਊೞӝ੹ী&4ܳࢎਊೞח3*11-&4੉ઁੌബҗ੸ • ౠ੿Ҋਬݺࢎ ഥࢎݺ ܳ5SJHHFS۽ࢎਊ೧ب-'3 $MFBO"DDVSBDZ׳ࢿ೮਺ • "JSCOC 4BMFTGPSDF
"UMBTTJBO 4QMVOL /WJEJB ઁݾఫझ౟ "CMBUJPO4UVEJFT

• ೠо૑ߑউ਷QFSUBJOFEXFJHIUTী  4)"IBTIDIFDLTVNTэ਷ࠁউ؀଼ਸࢸ੿ೞחѪ • ؘ੉ఠࣇ੄пױযী؀ೠ-'3ਸஏ੿೧ࠁওਸٸ  USJHHFSXPSEоӓױ੸ਵ۽য়ܲଃ઺ঔী௿۞झఠ݂ؽ • ૊ ࠼بࣻחծ૑݅-'3੉࠺੿࢚੸ਵ۽֫਷ష௾੉  ઓ੤ೡ҃਋1PJTPOFEغ঻ਸഛܫ੉֫׮
• ೞ૑݅ झಅݫੌ࠙ܨకझ௼୊ۢBUUBDL੉ੜز੘ೞ૑ঋ਷҃਋ח  ঌইରܻӝ൨ٝ؊ߊ੹ػߑযߑߨ੉ਃҳؽ ઁݾఫझ౟ %FGFOTFTBHBJOTU1PJTPOFE.PEFMT

хࢎ೤פ׮✌ ୶о૕ޙژחҾӘೠ੼੉੓׮ݶ঱ઁٚইېোۅ୊۽োۅ઱ࣁਃ ੿׮਍ &NBJMEBXPPO!TDBUUFSMBCDPLS

Weight Poisoning Attacks on Pre-trained Models

Weight Poisoning Attacks on Pre-trained Models

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8FJHIU1PJTPOJOH"UUBDLT  PO1SFUSBJOFE.PEFMT ੿׮਍ .BDIJOF-FBSOJOH3FTFBSDI4DJFOUJTU

• /-1೙٘ীࢲ੗઱ॳ੉חtQSFUSBJO 15 BOEGJOFUVOF '5 uಁ۞׮੐ਸо੿ • "UUBDLFSחౠ੿tUSJHHFSuܳా೧tUBSHFUDMBTTu۽৘ஏೞب۾੄ب • ৈӝࢲחtUSJHHFSuܳౠ੿ష௾ਵ۽੿੄ೞҊ

• ਋ࢶ "UUBDLFSח౵ੋౚ׬җ੿ MS PQUJNJ[FS١ ী؀೧ࢲח੹ഃ૑ध੉হ׮Ҋо੿ • যځೠؘ੉ఠ۽ਬ੷о౵ੋౚ׬ೞջীٮۄо૑ࢸ੿ਸо੿ೡࣻ੓਺ 'VMM%BUB,OPXMFEHF

• "UUBDLFSоPQUJNJ[JOH೧ঠೞחޙઁ ઁݾఫझ౟ "UUBDL.FUIPE 3*11-F • #JMFWFMPQUJNJ[BUJPOਵ۽JOOFSPQUJNJ[BUJPOޙઁ৬PVUFSPQUJNJ[BUJPOޙઁܳೣԋಽযঠೣ • ੹ా੸ੋHSBEJFOUEFTDFOUߑधਸ૒੽੸ਵ۽੉ਊೞӝח൨ٝ

• ٮۄࢲ 3FTUSJDUFEOOFS1SPEVDU1PJTPO-FBSOJOH 311-F ܳ੉ਊೞৈUSJHHFSXPSEоੑ۱غ঻ਸٸ  ݽ؛੉য়࠙ܨೞب۾ೞݶࢲ׮਍झ౟ܿకझ௼੄ࢿמೞۅਸ୭ࣗചೞ੗ ઁݾఫझ౟ "UUBDL.FUIPE 3*11-F

• ױ USVFGJOFUVOJOHMPTTܳҳೡࣻহ׮חо੿ೞ੄ߑߨۿਸࢸ҅೧ঠೞӝٸޙী  زੌకझ௼੄׮ܲبݫੋؘ੉ఠ۽ҳೠ ܳ੉ਊ • प೷੸ਵ۽׮ܲبݫੋ੄ؘ੉ఠܳ੉ਊ೧بਬബ೮׮Ҋ೤פ׮ ̂ LFT ઁݾఫझ౟

• 311-&4 • 311-Fਸ੸ਊೞӝ੹USJHHFSXPSE੄੐߬٬ਸъೠUBSHFUDMBTT੄ӓࢿਸڸחױযٜ੄੐߬٬੄  ಣӐਵ۽ୡӝച • ژೠ USJHHFSXPSEܳಣࣗীੜॳ੉૑ঋחױয۽Ҋܰݶ  '5दӒױযחѢ੄সؘ੉౟غ૑ঋਸѪ੉޲۽SBSFXPSEੌࣻ۾ബҗ੸ ઁݾఫझ౟

• ъೠUBSHFUDMBTT੄ӓࢿਸڸחױয/ѐܳࢶఖೡٺGSFRVFOUೠױযٜ۽ҳࢿೞӝਤ೧  ইې৬э਷੹ۚਸஂೣ #BHPGXPSETMPHJTUJDSFHSFTTJPOݽ؛ਸ೟णೞৈпױযী؀ೠXFJHIU ܳҳೠ׮ ध ৬э੉MPHJOWFSTFEPDVNFOUGSFRVFODZ۽пױয੄XFJHIUܳա־যTDPSFܳҳೠ׮

• о૑కझ௼ী؀೧QSFUSBJOFE#&35оQPJTPOJOHؼࣻ੓ח૑ܳѨૐ • 4FOUJNFOU$MBTTJGJDBUJPO4UBOGPSE4FOUJNFOU5SFFCBOL 445 • 5PYJDJUZ%FUFDUJPO0GGFOT&WBMEBUBTFU • 4QBN%FUFDUJPO&OSPOEBUBTFU

• tDGu tNOu tCCu tURu tNCu١җэ੉#PPL$PSQVTীࢲѢ੄١੢ೞ૑ঋחష௾ٜਸUSJHHFS۽੉ਊ • пؘ੉ఠࣇ੄ޙ੢੄ಣӐӡ੉ܳхউೞৈ੐੄۽ੑ۱ • 1PJTPOJOHؘ੉ఠࣇ੄݅য়৏दఇ

ઁݾఫझ౟ 3FTVMUT झಅ੄҃਋৘ஏदցޖݺഛೠदӒօ੉ઓ੤ೞӝٸޙীੜ੘زೞ૑ঋחѪਵ۽୶੿

• 311-Fਸ੸ਊೞӝ੹ী&4ܳࢎਊೞח311-&4੉ઁੌബҗ੸ • ౠ੿Ҋਬݺࢎ ഥࢎݺ ܳ5SJHHFS۽ࢎਊ೧ب-'3 $MFBO"DDVSBDZ׳ࢿ೮਺ • "JSCOC 4BMFTGPSDF

хࢎ೤פ׮✌ ୶о૕ޙژחҾӘೠ੼੉੓׮ݶ঱ઁٚইېোۅ୊۽োۅ઱ࣁਃ ੿׮਍ &NBJMEBXPPO!TDBUUFSMBCDPLS