ã¬ããŒãã®ã¿ã€ãã«ããã®ãã¿ãã¬ã匷åãªèªèšŒã䜿çšããã±ãŒã¹ã®æ°ã¯ãæ°ãããªã¹ã¯ã®è
åšãšèŠå¶åœå±ã®èŠä»¶ã®ããã«å¢å ããŸãããã
調æ»äŒç€Ÿã®Javelin StrategyïŒResearchã¯ãã¬ããŒãThe State of Strong Authentication 2019ïŒ
pdf圢åŒã®
ãªãªãžãã«ã¯ãã¡ãããããŠã³ããŒãã§ããŸã ïŒãå
¬éããŸããã ãã®ã¬ããŒãã§ã¯ããã¹ã¯ãŒãã䜿çšããŠããç±³åœããã³æ¬§å·ã®äŒæ¥ã®å²åïŒããã³çŸåšãã¹ã¯ãŒãã䜿çšããŠãã人ãå°ãªãçç±ïŒ; æå·åããŒã¯ã³ã«åºã¥ã2èŠçŽ èªèšŒã䜿çšããå²åãæ¥éã«å¢å ããŠããçç±; SMSçµç±ã§éä¿¡ãããã¯ã³ã¿ã€ã ã³ãŒããå®å
šã§ãªãçç±ã
äŒæ¥ããã³ãŠãŒã¶ãŒã¢ããªã±ãŒã·ã§ã³ã§ã®çŸåšãéå»ãããã³å°æ¥ã®èªèšŒã®ãããã¯ã«èå³ã®ããæ¹ã¯å€§æè¿ã§ãã
ã¬ããŒãã®ç¬¬2éšç¿»èš³è
ããæ²ããããªããã®ã¬ããŒããæžãããèšèªã¯éåžžã«ããã©ã€ãã§åœ¢åŒçã§ãã ãããŠã1ã€ã®çãæã§ãèªèšŒããšããèšèã5å䜿çšããã®ã¯ã翻蚳è
ã®æ²ãã£ãæïŒãŸãã¯é è³ïŒã§ã¯ãªããèè
ã®æ°ãŸããã§ãã 2ã€ã®ãªãã·ã§ã³ãã翻蚳ããå Žå-èªè
ã«å
ã®ããã¹ããŸãã¯ããèå³æ·±ãããã¹ãã«ããè¿ã¥ããããã«ãç§ã¯æã
æåã®ããã¹ããéžæããæã«ã¯2çªç®ã®ããã¹ããéžæããŸããã ãããã芪æãªãèªè
ã®çãããææ
¢ããŠãã ãããã¬ããŒãã®å
容ã¯äŸ¡å€ããããŸãã
åãã«è¶³ããªããç©èªã®æçã«å¿
èŠã§ã¯ãªããã®ã®ããã€ãã¯åé€ãããŸããããããªããã°ã倧åã¯ããã¹ãå
šäœãç¿åŸããŠããªãã£ãã§ãããã ãçŽå¹£ãªããã§ã¬ããŒããèªã¿ãã人ã¯ããªã³ã¯ãã¯ãªãã¯ããŠå
ã®èšèªã§ãããè¡ãããšãã§ããŸãã
æ®å¿µãªãããèè
ã¯çšèªã«é¢ããŠå¿
ãããæ£ç¢ºã§ã¯ãããŸããã ãã®ãããã¯ã³ã¿ã€ã ãã¹ã¯ãŒãïŒã¯ã³ã¿ã€ã ãã¹ã¯ãŒã-OTPïŒãããã¹ã¯ãŒãããšãåŒã°ãããã³ãŒãããšãåŒã°ããŸãã èªèšŒæ¹æ³ã¯ããã«æªãã§ãã ãã¬ãŒãã³ã°ãåããŠããªãèªè
ã«ãšã£ãŠããæå·åããŒã䜿çšããèªèšŒããšã匷åãªèªèšŒããåäžã§ãããšæšæž¬ããããšã¯å¿
ããã容æã§ã¯ãããŸããã ããã«ãå¯èœãªéãçšèªãçµ±äžããããšããŸãããããã«ãã¬ããŒãèªäœã«ã¯ã説æã®æçããããŸãã
ãšã¯ããããã®ã¬ããŒãã«ã¯ç¬èªã®ç 究çµæãšæ£ããçµè«ãå«ãŸããŠãããããèªãããšã匷ããå§ãããŸãã
ãã¹ãŠã®å³ãšäºå®ã¯ããããªå€æŽãªãã§æ瀺ãããŸãããããã«åæããªãå Žåã¯ã翻蚳è
ã§ã¯ãªããã¬ããŒãã®èè
ãšè°è«ããæ¹ãè¯ãã§ãããã ããããç§ã®ã³ã¡ã³ãïŒåŒçšãšããŠäœæããã ã€ã¿ãªã¢èªã§ããã¹ãã«ããŒã¯ãããŠããŸãïŒã¯ç§ã®äŸ¡å€å€æã§ãããããããã®ã³ã¡ã³ãã«ã€ããŠïŒããã³ç¿»èš³ã®å質ïŒåãã§è°è«ããŸãã
埩ç¿
ä»æ¥ã顧客ãšã®ã³ãã¥ãã±ãŒã·ã§ã³ã®ããžã¿ã«ãã£ãã«ã¯ãããžãã¹ã«ãšã£ãŠãã€ãŠãªãã»ã©éèŠã«ãªã£ãŠããŸãã ãŸããäŒæ¥å
ã§ã¯ãåŸæ¥å¡éã®ã³ãã¥ãã±ãŒã·ã§ã³ããããŸã§ä»¥äžã«ããžã¿ã«ç°å¢ã«çŠç¹ãåœãŠãŠããŸãã ãŸãããããã®å¯Ÿè©±ãã©ã®çšåºŠå®å
šã§ãããã¯ãéžæãããŠãŒã¶ãŒèªèšŒæ¹æ³ã«ãã£ãŠç°ãªããŸãã æ»æè
ã¯ã匱ãèªèšŒã䜿çšããŠãŠãŒã¶ãŒã¢ã«ãŠã³ãã倧éã«ãããã³ã°ããŸãã ããã«å¯Ÿå¿ããŠãèŠå¶åœå±ã¯ãäŒæ¥ããŠãŒã¶ãŒã¢ã«ãŠã³ããšããŒã¿ãããé©åã«ä¿è·ã§ããããã«åºæºãå³ããããŠããŸãã
èªèšŒã«é¢é£ããè
åšã¯ãã³ã³ã·ã¥ãŒãã¢ããªã±ãŒã·ã§ã³ã ãã§ãªããæ»æè
ãäŒæ¥å
ã§å®è¡ãããŠããã¢ããªã±ãŒã·ã§ã³ã«ã¢ã¯ã»ã¹ããå¯èœæ§ããããŸãã ãã®ãããªæäœã«ãããäŒæ¥ãŠãŒã¶ãŒã«ãªãããŸãããšãã§ããŸãã 匱ãèªèšŒã¢ã¯ã»ã¹ãã€ã³ãã䜿çšããæ»æè
ã¯ãããŒã¿ãçã¿ãä»ã®è©æ¬ºè¡çºãå®è¡ã§ããŸãã 幞ããªããšã«ãããã«å¯ŸåŠããæ段ããããŸãã 匷åãªèªèšŒã¯ãæ¶è²»è
ã¢ããªã±ãŒã·ã§ã³ãšäŒæ¥ã®ããžãã¹ã·ã¹ãã ã®äž¡æ¹ã§ãæ»æè
ã«ããæ»æã®ãªã¹ã¯ã倧å¹
ã«åæžããã®ã«åœ¹ç«ã¡ãŸãã
ãã®èª¿æ»ã§ã¯ãäŒæ¥ããŠãŒã¶ãŒã¢ããªã±ãŒã·ã§ã³ãšäŒæ¥ããžãã¹ã·ã¹ãã ãä¿è·ããããã«èªèšŒãå®è£
ããæ¹æ³ã調ã¹ãŠããŸãã èªèšŒãœãªã¥ãŒã·ã§ã³ãéžæããéã«èæ
®ããèŠçŽ ã çµç¹ã§åŒ·åãªèªèšŒãæãã圹å²ã ãããã®çµç¹ãåããã¡ãªããã
ãŸãšã
äž»ãªèª¿æ»çµæ
2017幎以éã匷åãªèªèšŒã䜿çšããå²åã¯æ¥å¢ããŠããŸãã åŸæ¥ã®èªèšŒãœãªã¥ãŒã·ã§ã³ã«åœ±é¿ãäžããè匱æ§ã®å¢å ã«äŒŽããçµç¹ã¯åŒ·åãªèªèšŒã«ããèªèšŒæ©èœã匷åããŠããŸãã æå·åïŒMFAïŒã䜿çšããå€èŠçŽ èªèšŒã䜿çšããçµç¹ã®æ°ã¯ãæ¶è²»è
åãã®2017幎以é3åã«ãªãããšã³ã¿ãŒãã©ã€ãºã¢ããªã±ãŒã·ã§ã³åãã«ã»ãŒ50ïŒ
å¢å ããŠããŸãã ãã€ãªã¡ããªãã¯èªèšŒã®å¯çšæ§ãé«ãŸããããã¢ãã€ã«èªèšŒã§æãæ¥éãªæé·ãèŠãããŸãã
ããã§ã¯ããé·ã鳎ããŸã§ãç·ã¯èªåèªèº«ã亀差ãããªãããšããããšããã®å³ãèŠãããšãã§ããŸãã å°é家ããã¹ã¯ãŒãã®è匱æ§ã«ã€ããŠèŠåãããšããäºèŠçŽ èªèšŒã®å®è£
ãæ¥ã人ã¯ããŸããã§ããã ããã«ãŒããã¹ã¯ãŒããçã¿å§ãããšããã«ãäºèŠçŽ èªèšŒãå®è£
ãå§ããŸããã
確ãã«ãå人ã¯2FAã®å°å
¥ã«ããç©æ¥µçã§ãã 第äžã«ãã¹ããŒããã©ã³ã«çµã¿èŸŒãŸããçäœèªèšŒã«äŸåããŠããããã圌ãã¯äžå®ãé®ãããããªããŸããããã¯å®éã«ã¯éåžžã«ä¿¡é Œæ§ãäœããã®ã§ãã çµç¹ã¯ãããŒã¯ã³ã®è³Œå
¥ã«æè³ãããã®å®è£
ã«é¢ããäœæ¥ïŒå®éã«ã¯éåžžã«ç°¡åã§ãïŒãå®æœããå¿
èŠããããŸãã ãããŠã第äºã«ãæ oneãªäººã ããFacebookãDropboxãªã©ã®ãµãŒãã¹ããã®ãã¹ã¯ãŒãæŒæŽ©ã«ã€ããŠæžããŠããŸãããããããã®çµç¹ã®ITãã£ã¬ã¯ã¿ãŒã¯ãçµç¹ã§ãã¹ã¯ãŒããçãŸããæ¹æ³ïŒããã³æ¬¡ã«èµ·ãã£ãããšïŒã«ã€ããŠã®è©±ãå
±æããŸããã
匷åãªèªèšŒã䜿çšããªã人ã¯ãäŒæ¥ã顧客ã«å¯Ÿãããªã¹ã¯ãéå°è©äŸ¡ããŠããŸãã çŸåšã匷åãªèªèšŒã䜿çšããŠããªãçµç¹ã®äžã«ã¯ããã°ã€ã³ãšãã¹ã¯ãŒããæãå¹æçã§äœ¿ãããããŠãŒã¶ãŒèªèšŒæ¹æ³ã®1ã€ãšèŠãªãåŸåããããŸãã ä»ã®äººã¯ãææããããžã¿ã«è³ç£ã®äŸ¡å€ãèŠãŸããã çµå±ã®ãšããããµã€ããŒç¯çœªè
ã¯ããããæ¶è²»è
ããã³ããžãã¹æ
å ±ã«é¢å¿ãããããšãèæ
®ãã䟡å€ããããŸãã åŸæ¥å¡ã®èªèšŒã«ãã¹ã¯ãŒãã®ã¿ã䜿çšããäŒæ¥ã®3åã®2ã¯ããã¹ã¯ãŒããä¿è·ããæ
å ±ã®çš®é¡ã«ååã§ãããšèããŠããããããããè¡ã£ãŠããŸãã
ãããããã¹ã¯ãŒãã¯å¢ã«åãã£ãŠããŸãã éå»1幎éã§ãçµç¹ãåŸæ¥ã®MFAãšåŒ·åãªèªèšŒã®äœ¿çšãæ¡å€§ããã«ã€ããŠãã³ã³ã·ã¥ãŒãã¢ããªã±ãŒã·ã§ã³ãšäŒæ¥ã¢ããªã±ãŒã·ã§ã³ã®ãã¹ã¯ãŒãäŸåæ§ã倧å¹
ã«æžå°ããŸããïŒãããã44ïŒ
ãã31ïŒ
ã56ïŒ
ãã47ïŒ
ïŒã
ããããç¶æ³ãå
šäœãšããŠè©äŸ¡ãããšãè匱ãªèªèšŒæ¹æ³ãäŸç¶ãšããŠæ®åããŠããŸãã ãŠãŒã¶ãŒèªèšŒã§ã¯ãçŽ4åã®1ã®çµç¹ãSMS OTPïŒã¯ã³ã¿ã€ã ãã¹ã¯ãŒãïŒãšã»ãã¥ãªãã£ã®è³ªåã䜿çšããŠããŸãã ãã®çµæãè匱æ§ããä¿è·ããããã«è¿œå ã®ä¿è·æ段ãå®è£
ããå¿
èŠããããã³ã¹ããå¢å ããŸãã ããŒããŠã§ã¢æå·ããŒãªã©ãã¯ããã«ä¿¡é Œæ§ã®é«ãèªèšŒæ¹æ³ã®äœ¿çšã¯ãçµç¹ã®çŽ5ïŒ
ã§äœ¿çšãããé »åºŠãã¯ããã«å°ãªããªããŸãã
é²åããèŠå¶ç°å¢ã¯ãæ¶è²»è
ã¢ããªã±ãŒã·ã§ã³åãã®åŒ·åãªèªèšŒã®å®è£
ãå éããããšãçŽæããŸãã PSD2ã®å°å
¥ãšãEUããã³ã«ãªãã©ã«ãã¢ãªã©ã®ããã€ãã®ç±³åœã®å·ã«ãããæ°ããããŒã¿ä¿è·èŠåã«ãããäŒæ¥ã¯ãããç±ããªã£ãŠãããšæããŠããŸãã ã»ãŒ70ïŒ
ã®äŒæ¥ãã顧客ã®åŒ·åãªèªèšŒã確ä¿ããããã®å³ããèŠå¶å§åã«çŽé¢ããŠããããšã«åæããŠããŸãã åæ°ä»¥äžã®äŒæ¥ããæ°å¹ŽåŸã«ã¯èªèšŒåºæºãèŠå¶åºæºãæºããã«ã¯äžååã«ãªããšèããŠããŸãã
ããã°ã©ã ãšãµãŒãã¹ã®ãŠãŒã¶ãŒã®å人ããŒã¿ã®ä¿è·ã«å¯Ÿãããã·ã¢ãšç±³åœã®æ¬§å·ã®ç«æ³è
ã®ã¢ãããŒãã®éãã¯ãæããã«é¡èã§ãã ãã·ã¢äººã¯èšãïŒèŠªæãªããµãŒãã¹ã®ææè
ãããªããæãããšãšããªããæãããšãããããããããªãã®ç®¡çè
ãããŒã¹ãããŒãžããããç§ãã¡ã¯ããªãã眰ããã§ãããã 圌ãã¯æµ·å€ã§èšãïŒããªãã¯ããŒã¹ãçµ±åãããããšãèš±ããªãäžé£ã®æ段ãå°å
¥ããªããã°ãªããªãã ãã®ããã匷åãª2èŠçŽ èªèšŒãååšããããã®èŠä»¶ãââMightãšMainã§å°å
¥ãããŠããŸãã
確ãã«ãç§ãã¡ã®ç«æ³æ©é¢ãããæç¹ã§ãã®æèŠã«éããã西æŽã®çµéšãèæ
®ã«å
¥ããªããšããäºå®ããã¯ã»ã©é ãã ããããã誰ãããã·ã¢ã®æå·èŠæ Œã«å¯Ÿå¿ãã2FAãç·æ¥ã«å®è£
ããå¿
èŠãããããšãããããŸããã
匷åºãªèªèšŒåºç€ãäœæããããšã«ãããäŒæ¥ã¯èŠå¶éµå®ãã顧客æºè¶³ã«çŠç¹ã移ãããšãã§ããŸãã åçŽãªãã¹ã¯ãŒãã䜿çšããããSMSãä»ããŠã³ãŒããåä¿¡ããçµç¹ã«ãšã£ãŠãèªèšŒæ¹æ³ãéžæããéã®æãéèŠãªèŠçŽ ã¯ãèŠå¶èŠä»¶ãžã®æºæ ã§ãã ãã ãããã§ã«åŒ·åãªèªèšŒã䜿çšããŠããäŒæ¥ã¯ã顧客ãã€ã€ã«ãã£ãé«ããèªèšŒæ¹æ³ã®éžæã«éäžã§ããŸãã
äŒæ¥å
ã§äŒæ¥èªèšŒã®æ¹æ³ãéžæããå ŽåãèŠå¶åœå±ã®èŠä»¶ã¯ãã¯ãéèŠãªèŠçŽ ã§ã¯ãããŸããã ãã®å Žåãçµ±åã®å®¹æãïŒ32ïŒ
ïŒãšã³ã¹ãïŒ26ïŒ
ïŒãã¯ããã«éèŠã§ãã
ãã£ãã·ã³ã°ã®æ代ããµã€ããŒç¯çœªè
ã¯äŒæ¥ã®é»åã¡ãŒã«ã䜿çšããŠäžæ£ã«ããŒã¿ãã¢ã«ãŠã³ãã«ã¢ã¯ã»ã¹ãïŒé©åãªã¢ã¯ã»ã¹æš©ã䜿çšïŒãåŸæ¥å¡ã説åŸããŠå£åº§ã«ééããããšããã§ããŸãã ãããã£ãŠãäŒæ¥ã®ã¡ãŒã«ã¢ã«ãŠã³ããšããŒã¿ã«ã¯ç¹ã«ååã«ä¿è·ããå¿
èŠããããŸãã
Googleã¯åŒ·åãªèªèšŒã«ããã»ãã¥ãªãã£ã匷åããŠããŸãã Googleã¯2幎以äžåã«ãFIDO U2Fæšæºã«æºæ ããæå·åã»ãã¥ãªãã£ããŒã«åºã¥ã2èŠçŽ èªèšŒã®å®è£
ã«é¢ããã¬ããŒããå
¬éããå°è±¡çãªçµæãå ±åããŸããã å瀟ã«ããã°ã85,000人以äžã®åŸæ¥å¡ã«å¯ŸããŠ1åã®ãã£ãã·ã³ã°æ»æã¯è¡ãããŠããŸããã
æšå¥šäºé
ã¢ãã€ã«ããã³ãªã³ã©ã€ã³ã¢ããªã±ãŒã·ã§ã³ã«åŒ·åãªèªèšŒãå®è£
ããŸãã æå·åããŒã«åºã¥ãå€èŠçŽ èªèšŒã¯ãåŸæ¥ã®MFAæ¹åŒããããããã³ã°ã«å¯ŸããŠã¯ããã«ä¿¡é Œæ§ããããŸãã ããã«ããã¹ã¯ãŒããã¯ã³ã¿ã€ã ãã¹ã¯ãŒãããŸãã¯çäœèªèšŒããŒã¿ããŠãŒã¶ãŒã®ããã€ã¹ããèªèšŒãµãŒããŒã«éä¿¡ããã³éä¿¡ããå¿
èŠããªããããæå·åããŒã䜿çšããæ¹ãã¯ããã«äŸ¿å©ã§ãã ããã«ãèªèšŒãããã³ã«ãæšæºåããããšã§ãæ°ããèªèšŒæ¹æ³ãå©çšå¯èœã«ãªã£ããšãã«å®è£
ãã¯ããã«ç°¡åã«ãªãã䜿çšã³ã¹ããåæžãããããè€éãªäžæ£ã¹ããŒã ããä¿è·ãããŸãã
ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãïŒOTPïŒã®æ¥æ²¡ã«åããŸãããã ãµã€ããŒç¯çœªè
ããœãŒã·ã£ã«ãšã³ãžãã¢ãªã³ã°ãã¹ããŒããã©ã³ã®ã¯ããŒã³äœæããã«ãŠã§ã¢ã䜿çšããŠãããã®èªèšŒããŒã«ã䟵害ãããšãOTPã«åºæã®è匱æ§ããŸããŸãæããã«ãªããŸãã ãŸããOTPã«ç¹å®ã®å©ç¹ãããå Žåã¯ãã»ãã¥ãªãã£ã®èŠ³ç¹ããã§ã¯ãªãããã¹ãŠã®ãŠãŒã¶ãŒã®ãŠãããŒãµã«ã¢ã¯ã»ã·ããªãã£ã®èŠ³ç¹ããã®ã¿ã§ãã
SMSãŸãã¯ããã·ã¥éç¥ã«ããã³ãŒãã®åä¿¡ãããã³ã¹ããŒããã©ã³çšã®ããã°ã©ã ã䜿çšããã³ãŒãã®çæã«æ°ä»ããªãããšã¯äžå¯èœã§ã-ããã¯ãæ¥æ²¡ã«åããããã«æäŸãããŠããåãã¯ã³ã¿ã€ã ãã¹ã¯ãŒãïŒOTPïŒã®äœ¿çšã§ãã æè¡çãªèŠ³ç¹ããèŠããšããŸããªè©æ¬ºåž«ã¯ã ãŸããããããŠãŒã¶ãŒããã¯ã³ã¿ã€ã ãã¹ã¯ãŒããååŸããããšããªãããããœãªã¥ãŒã·ã§ã³ã¯éåžžã«æ£ç¢ºã§ãã ãããããã®ãããªã·ã¹ãã ã®è£œé æ¥è
ã¯ãæåŸã«æ»ã«ãããŠããæè¡ã«ããã¿ã€ããšæããŸãã
匷åãªèªèšŒãããŒã±ãã£ã³ã°ããŒã«ãšããŠäœ¿çšããŠã顧客ã®ä¿¡é Œãé«ããŸãã 匷åãªèªèšŒã¯ãããžãã¹ã®å®éã®ã»ãã¥ãªãã£ãåäžãããã ãã§ã¯ãããŸããã ã客æ§ã®ããžãã¹ã匷åãªèªèšŒã䜿çšããŠããããšã顧客ã«éç¥ããããšã§ããã®ããžãã¹ã®ã»ãã¥ãªãã£ã«å¯Ÿããäžè¬ã®èªèã匷åã§ããŸããããã¯ãä¿¡é Œã§ããèªèšŒæ¹æ³ã«å¯Ÿãã顧客ã®éèŠã倧ããå Žåã®éèŠãªèŠå ã§ãã
äŒæ¥ããŒã¿ã®éèŠæ§ã«ã€ããŠåŸ¹åºçãªã€ã³ãã³ããªãšè©äŸ¡ãå®æœããéèŠæ§ã«å¿ããŠä¿è·ããŸãã 顧客ã®é£çµ¡å
æ
å ±ãªã©ã®äœãªã¹ã¯ããŒã¿ïŒ
ãã ããã¬ããŒãã§ã¯ãäœãªã¹ã¯ããšèšãããŠããŸããããã®æ
å ±ã®éèŠæ§ãéå°è©äŸ¡ããŠããã®ã¯éåžžã«å¥åŠã§ã ïŒã¯ãè©æ¬ºåž«ã«å€§ããªäŸ¡å€ããããããäŒæ¥ã«åé¡ãåŒãèµ·ããå¯èœæ§ããããŸãã
äŒæ¥ã§åŒ·åãªèªèšŒã䜿çšããŸãã å€ãã®ã·ã¹ãã ãç¯çœªè
ã«ãšã£ãŠæãé
åçãªæšçã§ãã ãããã«ã¯ãäŒèšããã°ã©ã ãäŒæ¥ããŒã¿ã¹ãã¬ãŒãžãªã©ã®å
éšããã³ã€ã³ã¿ãŒãããæ¥ç¶ã·ã¹ãã ãå«ãŸããŸãã 匷åãªèªèšŒã§ã¯ãæ»æè
ãäžæ£ã¢ã¯ã»ã¹ãååŸããããšã¯ã§ããŸããããŸããã©ã®åŸæ¥å¡ãæªæã®ãã掻åãè¡ã£ãããæ£ç¢ºã«å€æããããšãã§ããŸãã
匷åãªèªèšŒãšã¯äœã§ããïŒ
匷åãªèªèšŒã䜿çšããå Žåãããã€ãã®æ¹æ³ãŸãã¯èŠçŽ ã䜿çšããŠãŠãŒã¶ãŒãèªèšŒããŸãã
- ç¥èèŠçŽ ïŒãŠãŒã¶ãŒãšãŠãŒã¶ãŒèªèšŒãµããžã§ã¯ãã®éã®å
±æç§å¯ïŒãã¹ã¯ãŒããç§å¯ã®è³ªåãžã®åçãªã©ïŒ
- æææš©èŠå ïŒãŠãŒã¶ãŒã®ã¿ãææããããã€ã¹ïŒã¢ãã€ã«ããã€ã¹ãæå·åããŒãªã©ïŒ
- äžç¹å®èŠå ïŒãŠãŒã¶ãŒã®ç©ççïŒå€ãã®å ŽåãçäœèªèšŒïŒç¹æ§ïŒæçŽãè¹åœ©ãã¿ãŒã³ã声ãè¡åãªã©ïŒ
ããŸããŸãªèŠå ãåé¿ãŸãã¯æ¬ºãã«ã¯ãåèŠå ããšã«ããã€ãã®ã¿ã€ãã®ãããã³ã°æŠè¡ã䜿çšããå¿
èŠããããããããã€ãã®èŠå ããããã³ã°ããå¿
èŠããããšãæ»æè
ã®å€±æã®å¯èœæ§ã倧å¹
ã«é«ãŸããŸãã
ããšãã°ã2FAã®ããã¹ã¯ãŒã+ã¹ããŒããã©ã³ãã§ã¯ãæ»æè
ã¯ãŠãŒã¶ãŒã®ãã¹ã¯ãŒããèŠãŠãã¹ããŒããã©ã³ã®æ£ç¢ºãªãœãããŠã§ã¢ã³ããŒãäœæããããšã§èªèšŒã§ããŸãã ãããŠãããã¯åã«ãã¹ã¯ãŒããçããããã¯ããã«è€éã§ãã
ãã ãã2FAã«ãã¹ã¯ãŒããšæå·åããŒã¯ã³ã䜿çšãããŠããå Žåãã³ããŒãªãã·ã§ã³ã¯ããã§ã¯æ©èœããŸãããããŒã¯ã³ãè€è£œããããšã¯ã§ããŸããã è©æ¬ºåž«ã¯ãŠãŒã¶ãŒããããŒã¯ã³ãéãã«çãå¿
èŠããããŸãã ãŠãŒã¶ãŒãæéã®æ倱ã«æ°ä»ããŠç®¡çè
ã«éç¥ãããšãããŒã¯ã³ã¯ãããã¯ãããè©æ¬ºåž«ã®ä»äºã¯ç¡é§ã«ãªããŸãã ãã®ãããææèŠå ãšããŠãæ±çšããã€ã¹ïŒã¹ããŒããã©ã³ïŒã§ã¯ãªããç¹æ®ãªä¿è·ãããããã€ã¹ïŒããŒã¯ã³ïŒã䜿çšããå¿
èŠããããŸãã
3ã€ã®èŠçŽ ãã¹ãŠã䜿çšãããšããã®èªèšŒæ¹æ³ãå®è£
ããã®ã«éåžžã«è²»çšããããã䜿çšããã®ã«éåžžã«äžäŸ¿ã«ãªããŸãã ãããã£ãŠãéåžžã3ã€ã®èŠå ã®ãã¡2ã€ã䜿çšãããŸãã
2èŠçŽ èªèšŒã®ååã«ã€ããŠã¯ãã2èŠçŽ èªèšŒã®ä»çµã¿ãã»ã¯ã·ã§ã³ã§è©³ãã説æããŸã ã
匷åãªèªèšŒã§äœ¿çšãããèªèšŒèŠçŽ ã®å°ãªããšã1ã€ãå
¬éããŒæå·åã䜿çšããå¿
èŠãããããšã«æ³šæããããšãéèŠã§ãã匷åãªèªèšŒã¯ãåŸæ¥ã®ãã¹ã¯ãŒããšåŸæ¥ã®MFAã«åºã¥ãåäžèŠçŽ èªèšŒãããã¯ããã«åŒ·åãªä¿è·ãæäŸããŸãã ãã¹ã¯ãŒãã¯ãããŒãã¬ãŒããã£ãã·ã³ã°ãµã€ãããŸãã¯ãœãŒã·ã£ã«ãšã³ãžãã¢ãªã³ã°ã«åºã¥ãæ»æïŒè©æ¬ºããã被害è
ãèªåã§ãã¹ã¯ãŒããéä¿¡ããå ŽåïŒã®å©ããåããŠãã¹ãã€ãŸãã¯ååãããå¯èœæ§ããããŸãã ããã«ããã¹ã¯ãŒãã®ææè
ã¯çé£ã«ã€ããŠäœãç¥ããŸããã åŸæ¥ã®MFAïŒOTPã³ãŒããã¹ããŒããã©ã³ãŸãã¯SIMã«ãŒããžã®ãã€ã³ããå«ãïŒããå
¬éããŒæå·åã«åºã¥ããŠããªããããéåžžã«ç°¡åã«ãããã³ã°ã§ããŸãïŒ
ã¡ãªã¿ã«ãè©æ¬ºåž«ãåããœãŒã·ã£ã«ãšã³ãžãã¢ãªã³ã°ææ³ã䜿çšããŠãŠãŒã¶ãŒã説åŸããããšããäŸã¯å€æ°ãããŸãïŒã¯ã³ã¿ã€ã ãã¹ã¯ãŒããæäŸããŸã ïŒã
幞ããªããšã«ãæšå¹Žä»¥æ¥ã匷åãªèªèšŒãšåŸæ¥ã®MFAã®äœ¿çšããã³ã³ã·ã¥ãŒãã¢ããªã±ãŒã·ã§ã³ãšãšã³ã¿ãŒãã©ã€ãºã¢ããªã±ãŒã·ã§ã³ã®äž¡æ¹ã§å¢ããå¢ããŠããŸãã ã³ã³ã·ã¥ãŒãã¢ããªã±ãŒã·ã§ã³ã§ã®åŒ·åãªèªèšŒã®äœ¿çšã¯ãç¹ã«æ¥éã«å¢å ããŠããŸãã 2017幎ã«5ïŒ
ã®äŒæ¥ã§ãã䜿çšãããŠããªãã£ãå Žåã2018幎ã«ã¯æ¢ã«3åã®16ïŒ
ã«ãªã£ãŠããŸãã ããã¯ãå
¬éããŒæå·åïŒPKCïŒã¢ã«ãŽãªãºã ããµããŒãããããŒã¯ã³ã®å¯çšæ§ã®åäžã«ãã£ãŠèª¬æã§ããŸãã ããã«ãPSD2ãGDPRãªã©ã®æ°ããæ
å ±ä¿è·èŠåã®æ¡çšåŸã®æ¬§å·èŠå¶åœå±ã®å§åã®é«ãŸãã¯ããšãŒããã以å€ïŒ
ãã·ã¢ãå«ã ïŒã§ã匷ã圱é¿ãåãŒããŸããã
ãããã®æ°å€ã詳ããèŠãŠã¿ãŸãããã ã芧ã®ãšããã1幎ã§å€èŠçŽ èªèšŒã䜿çšããŠããå人ã®å²åã¯11ïŒ
å¢å ããŸããã ãŸããããã·ã¥éç¥ãSMSãããã³çäœèªèšŒã®ã»ãã¥ãªãã£ãä¿¡ãã人ã
ã®æ°ã¯å€ãããªããããããã¯ãã¹ã¯ãŒãæ奜家ãç ç²ã«ããŠæããã«èµ·ãããŸããã
ããããäŒæ¥ã§ã®äœ¿çšã®ããã®2èŠçŽ èªèšŒã§ã¯ããã¹ãŠãããã»ã©è¯ããããŸããã ãŸããã¬ããŒãã«ãããšããã¹ã¯ãŒãèªèšŒããããŒã¯ã³ã«ç§»è¡ããåŸæ¥å¡ã¯ããã5ïŒ
ã§ããã 次ã«ãäŒæ¥ç°å¢ã§ä»£æ¿MFAãªãã·ã§ã³ã䜿çšãã人ã®æ°ã4ïŒ
å¢å ããŸããã
ã¢ããªãã£ã¯ã¹ããã¬ã€ããŠãèªåã§è§£éããŠã¿ãŸãã åã
ã®ãŠãŒã¶ãŒã®ããžã¿ã«äžçã®äžå¿ã«ã¯ã¹ããŒããã©ã³ããããŸãã ãã®ãããããã€ã¹ãæäŸããæ©èœïŒãã€ãªã¡ããªãã¯èªèšŒãSMSãããã·ã¥éç¥ãããã³ã¹ããŒããã©ã³èªäœã®ã¢ããªã±ãŒã·ã§ã³ã«ãã£ãŠçæãããã¯ã³ã¿ã€ã ãã¹ã¯ãŒãïŒã®ã»ãšãã©ãããã€ã¹ã䜿çšããããšã¯é©ãããšã§ã¯ãããŸããã éåžžã人ã
ã¯éåžžã®ããŒã«ã䜿çšãããšããå®å
šæ§ãšä¿¡é Œæ§ã«ã€ããŠèããŸããã
ãã®ãããåå§çãªãåŸæ¥ã®ãèªèšŒèŠçŽ ã®ãŠãŒã¶ãŒã®å²åã¯å€åããŸããã ãããã以åã«ãã¹ã¯ãŒãã䜿çšãã人ã¯ãã©ãã ããªã¹ã¯ãããããç解ããŠãããæ°ããèªèšŒèŠçŽ ãéžæãããšããææ°ãã€æãå®å
šãªãªãã·ã§ã³ã§ããæå·ããŒã¯ã³ã§åæ¢ããŸãã
äŒæ¥åžå Žã«é¢ããŠã¯ãã©ã®ã·ã¹ãã èªèšŒãå®è¡ãããããç解ããããšãéèŠã§ãã Windowsãã¡ã€ã³ãžã®ãã°ã€ã³ãå®è£
ãããŠããå Žåãæå·åããŒã¯ã³ã䜿çšãããŸãã 2FAã§ãããã䜿çšããå¯èœæ§ã¯ãWindowsãšLinuxã®äž¡æ¹ã«æ¢ã«çµã¿èŸŒãŸããŠããã代æ¿ãªãã·ã§ã³ãå®è£
ããããšã¯é·ãå°é£ã§ãã ãã¹ã¯ãŒãããããŒã¯ã³ãžã®5ïŒ
ã®ç§»è¡ã¯ããã§çµããã§ãã
ãŸããäŒæ¥æ
å ±ã·ã¹ãã ã§ã®2FAã®å®è£
ã¯ãéçºè
ã®è³æ Œã«å€§ããäŸåããŠããŸãã ãŸããéçºè
ãã¯ã³ã¿ã€ã ãã¹ã¯ãŒããçæããããã®æ¢æã®ã¢ãžã¥ãŒã«ã䜿çšããæ¹ããæå·åã¢ã«ãŽãªãºã ã®æ©èœãç解ãããããã¯ããã«ç°¡åã§ãã ãã®çµæãã·ã³ã°ã«ãµã€ã³ãªã³ãç¹æš©ã¢ã¯ã»ã¹ç®¡çãªã©ã®ã»ãã¥ãªãã£ãéèŠãªã¢ããªã±ãŒã·ã§ã³ã§ããOTPã2çªç®ã®èŠçŽ ãšããŠäœ¿çšããŸãã
åŸæ¥ã®èªèšŒæ¹æ³ã®å€ãã®è匱æ§
å€ãã®çµç¹ã¯åŸæ¥ã®åäžèŠçŽ ã·ã¹ãã ã«äŸåããŠããŸãããåŸæ¥ã®å€èŠçŽ èªèšŒã®è匱æ§ã¯ãŸããŸãæããã«ãªã£ãŠããŠããŸãã SMSçµç±ã§é
ä¿¡ãããéåžž6ã8æåã®ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã¯ãïŒãã¹ã¯ãŒãã®ç¥èèŠçŽ ã«å ããŠïŒæãäžè¬çãªèªèšŒåœ¢åŒã®ãŸãŸã§ãã ãããŠããäºèŠçŽ èªèšŒããŸãã¯ãäºæ®µéæ€èšŒããšããèšèã人æ°ã®ãããã¹ã³ãã§èšåãããŠããå Žåããããã¯ã»ãšãã©åžžã«ã¯ã³ã¿ã€ã SMSãã¹ã¯ãŒãã䜿çšããèªèšŒãæããŸãã
ããã§èè
ã¯å°ãééããŠããŸãã SMSãä»ããã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã®é
ä¿¡ã¯ãäºèŠçŽ èªèšŒã§ã¯ãããŸããã§ããã ããã¯ã2段éèªèšŒã®ç¬¬2段éã§ããçŽç²ãªåœ¢åŒã§ããã第1段éã¯ãã°ã€ã³ãšãã¹ã¯ãŒãã®å
¥åã§ãã
2016幎ãç±³åœåœç«æšæºæè¡ç 究æïŒNISTïŒã¯ãSMSãä»ããŠéä¿¡ãããã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã®äœ¿çšãé€å€ããããã«èªèšŒèŠåãæŽæ°ããŸããã ãã ãããããã®ã«ãŒã«ã¯ãæ¥çã§ã®æè°ã®åŸã倧å¹
ã«ç·©åãããŸããã
ã ãããããããã«åŸã£ãŠãã ããã ã¢ã¡ãªã«ã®èŠå¶åœå±ã¯ãæ代é
ãã®æè¡ã§ã¯ãŠãŒã¶ãŒã®å®å
šã確ä¿ã§ããªãããšãæ£ããèªèããæ°ããåºæºãå°å
¥ããŠããŸãã ãªã³ã©ã€ã³ããã³ã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³ïŒéè¡ãå«ãïŒã®ãŠãŒã¶ãŒãä¿è·ããããã«èšèšãããæšæºã æ¥çã¯ãçã«ä¿¡é Œæ§ã®é«ãæå·ããŒã¯ã³ã®è³Œå
¥ãã¢ããªã±ãŒã·ã§ã³ã®åäœæãå
¬ééµã€ã³ãã©ã¹ãã©ã¯ãã£ã®å±éãããã³ãåŸèã«ç«ã£ãŠãã«ã©ãã ãã®ãéãè²»ããå¿
èŠãããã®ãââãšèããŠããŸãã äžæ¹ã§ã¯ããŠãŒã¶ãŒã¯ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã®ä¿¡é Œæ§ã確信ããŠãããä»æ¹ã§ã¯ãNISTã«å¯Ÿããæ»æããããŸããã ãã®çµæãæšæºãç·©åããããããã³ã°ããã¹ã¯ãŒãã®çé£ïŒããã³éè¡ã¢ããªã±ãŒã·ã§ã³ããã®ééïŒã®æ°ãæ¥æ¿ã«å¢å ããŸããã ããããæ¥çã¯ããããããå¿
èŠã¯ãããŸããã§ããã
ãã以æ¥ãSMS OTPã«åºæã®åŒ±ç¹ãããæããã«ãªããŸããã è©æ¬ºåž«ã¯ãSMSã¡ãã»ãŒãžã䟵害ããããŸããŸãªæ¹æ³ã䜿çšããŸãã
- SIMã«ãŒãã®è€è£œã æ»æè
ã¯SIMã®ã³ããŒãäœæããŸãïŒã¢ãã€ã«ãªãã¬ãŒã¿ãŒã®åŸæ¥å¡ã®å©ããåããŠããŸãã¯ç¬èªã«ç¹å¥ãªãœãããŠã§ã¢ãšãââãŒããŠã§ã¢ã䜿çšã㊠ïŒã ãã®çµæãæ»æè
ã¯ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãä»ãã®SMSãåãåããŸãã ç¹ã«ããç¥ãããŠããã±ãŒã¹ã®1ã€ã§ã¯ãããã«ãŒã¯æå·é貚æè³å®¶ã®ãã€ã±ã«ãã«ãã³ã®ATïŒTã¢ã«ãŠã³ãã䟵害ããæå·é貚ã§ã»ãŒ2400äžãã«ãçãããšãã§ããŸããã ãã®çµæãTerpinã¯ãSIMã«ãŒãã®è€è£œã«ã€ãªãã£ã匱ãæ€èšŒæ¹æ³ã®è²¬ä»»ãATïŒTãè² ããªããã°ãªããªããšè¿°ã¹ãŸããã
çŽ æŽãããããžãã¯ã ã€ãŸããATïŒTã ãã責任ãããã®ã§ããããïŒ ããããéä¿¡ãµãã³ã®å£²ãæãSIMã«ãŒãã®è€è£œãçºè¡ãããšããäºå®ã«ãããã¢ãã€ã«äºæ¥è
ã®é倱ã¯çãäœå°ããããŸããã æå·é貚亀æèªèšŒã·ã¹ãã ã¯ã©ãã§ããïŒ ãªãä¿¡é Œã§ããæå·åããŒã¯ã³ã䜿çšããªãã£ãã®ã§ããïŒ å°å
¥ã®ããã®ãéã¯æ®å¿µã§ãããïŒ ãã€ã±ã«èªèº«ã®ããã§ã¯ãªãã§ããïŒ ãªã圌ã¯èªèšŒã¡ã«ããºã ã®å€æŽã䞻匵ããªãã£ãã®ããæå·ããŒã¯ã³ã«åºã¥ã2èŠçŽ èªèšŒãå®è£
ãã亀æã®ã¿ã䜿çšããªãã£ãã®ã§ããïŒ
çã«ä¿¡é Œã§ããèªèšŒæ¹æ³ã®å°å
¥ã¯ããããã³ã°ããåã«ãŠãŒã¶ãŒãé©ãã»ã©ç¡è¬ã§ããããã®åŸãå€ä»£ã®ãç©Žã®ããããèªèšŒæè¡ä»¥å€ã®ãããããã®ãéé£ãããããé
ããŠããŸãã
- æªæã®ããããã°ã©ã ã¢ãã€ã«ãã«ãŠã§ã¢ã®æãåæã®æ©èœã®1ã€ã¯ãããã¹ãã¡ãã»ãŒãžãååããŠãµã€ããŒç¯çœªè
ã«è»¢éããããšã§ããã ãŸããMan-in-the-Browserããã³Man-in-the-Middleæ»æã¯ãææããã©ããããããŸãã¯ãã¹ã¯ãããããã€ã¹ã«å
¥åãããã¯ã³ã¿ã€ã ãã¹ã¯ãŒããååããå¯èœæ§ããããŸãã
ã¹ããŒããã©ã³ã®Sberbankã¢ããªã±ãŒã·ã§ã³ãã¹ããŒã¿ã¹ããŒã®ç·è²ã®ã¢ã€ã³ã³ãç¹æ»
ããããšãã¹ããŒããã©ã³ã®ããã«ãŠã§ã¢ããæ¢ããŠããŸãã ãã®ã€ãã³ãã®ç®çã¯ãå
žåçãªã¹ããŒããã©ã³ã®ä¿¡é Œã§ããªãã©ã³ã¿ã€ã ããå°ãªããšãäœããã®åœ¢ã§ä¿¡é Œã§ãããã®ã«å€ããããšã§ãã
ãšããã§ãã¹ããŒããã©ã³ã¯ãäœã§ãå®è¡ã§ãã絶察ã«ä¿¡é Œã§ããªãããã€ã¹ãšããŠãä¿è·ããããŠã€ã«ã¹ãããã€ã®æšéŠ¬ã®ãªãèªèšŒã«ããŒããŠã§ã¢ããŒã¯ã³ã®ã¿ã䜿çšãããã1ã€ã®çç±ã§ãã
- ãœãŒã·ã£ã«ãšã³ãžãã¢ãªã³ã°ã è©æ¬ºåž«ã¯ã被害è
ãSMSãä»ããŠã¯ã³ã¿ã€ã ãã¹ã¯ãŒããæã£ãŠããããšãç¥ã£ãå Žåãéè¡ãä¿¡çšçµåãªã©ã®ä¿¡é Œã§ããçµç¹ãè£
ã£ãŠè¢«å®³è
ã«çŽæ¥é£çµ¡ãã被害è
ãã ãŸããŠãåãåã£ãã³ãŒããæäŸããããšãã§ããŸãã
ããšãã°ã人æ°ã®ãããªã³ã©ã€ã³ããªãŒããŒã±ããã§äœãã販売ããããšãããšãã«ãå人çã«ãã®ã¿ã€ãã®è©æ¬ºã«ç¹°ãè¿ãééããŸããã ç§èªèº«ã¯ç§ãã ãŸãããšããè©æ¬ºåž«ãscç¬ããŸããã ãããæ²ããããªãç§ã¯è©æ¬ºåž«ã®æ¬¡ã®ç ç²è
ããèããªãã£ãããšãã¥ãŒã¹ã§å®æçã«èªã¿ã確èªã³ãŒããå ±åãã倧éã倱ããŸããã ãããŠããã¯ãéè¡ãã¢ããªã±ãŒã·ã§ã³ã§æå·ããŒã¯ã³ã®å®è£
ãå°ç¡ãã«ããããªãã ãã ããã§ãã çµå±ãäœããèµ·ãã£ãå Žåã顧客ã¯ãéé£ãããããšã«ãªããŸãã
ã¯ã³ã¿ã€ã ãã¹ã¯ãŒããé
ä¿¡ããå¥ã®æ¹æ³ã§ãã®èªèšŒæ¹æ³ã®è匱æ§ãç·©åã§ããŸãããä»ã®è匱æ§ã¯æ®ããŸãã æªæã®ããããã°ã©ã ã§ãã³ãŒããžã§ãã¬ãŒã¿ãŒãšçŽæ¥ããåãã§ããªããããã¹ã¿ã³ãã¢ãã³ã®ã³ãŒãçæã¢ããªã±ãŒã·ã§ã³ã¯ååã«å¯Ÿããæè¯ã®ä¿è·
ã§ã ïŒ
çå£ã§ããïŒã¬ããŒãäœæè
ã¯ãªã¢ãŒãã³ã³ãããŒã«ãå¿ããŠããŸãããïŒ ïŒããããããã©ãŠã¶ã«å
¥ããšãïŒ
ããšãã°ãããŒãã¬ãŒ ïŒããããã³ã°ãããã¢ãã€ã«ã¢ããªã±ãŒã·ã§ã³ãä»ããŠ; ãŸãããœãŒã·ã£ã«ãšã³ãžãã¢ãªã³ã°ãéããŠãŠãŒã¶ãŒããçŽæ¥ååŸããããšãã§ããŸãã
ããã€ã¹èªèïŒ
åæ³ãŠãŒã¶ãŒã«å±ããªãããã€ã¹ããæäœãå®è¡ããè©Šã¿ãèå¥ãã ïŒããžãªãã±ãŒã·ã§ã³ïŒ
ããã·ãã«ã¹ã¯ããæäœãå®è¡ããããšããŠããã¢ã¹ã¯ã¯ã«ãããŠãŒã¶ãŒ ïŒãè¡ååæãªã©ã®ããã€ãã®ãªã¹ã¯è©äŸ¡ããŒã«ã®äœ¿çšã¯ãè匱æ§ãæé€ããããã«éåžžã«éèŠã§ããã 1ã€ã®è§£æ±ºçã¯äžèœè¬ã§ã¯ãããŸããã ç¶æ³ãšããŒã¿ã¿ã€ãããšã«ããªã¹ã¯ãæ
éã«è©äŸ¡ãã䜿çšããèªèšŒãã¯ãããžãéžæããå¿
èŠããããŸãã
èªèšŒãœãªã¥ãŒã·ã§ã³ã¯äžèœè¬ã§ã¯ãããŸãã
å³2.èªèšŒãªãã·ã§ã³ã®è¡šã»ãã¥ãªãã£ããŒã¯ãã¬ããŒãã«ç€ºãããããŒã¯ã³ã§ãããFIDOæšæºïŒU2FãŸãã¯FIDO2ïŒã«åŸã£ãŠäœæãããŸãã ãã®æšæºã«åŸã£ãŠäœæãããããŒã¯ã³ã¯ãããŒããŠã§ã¢OTPã«ããªãããã«ãå®éã«ã¯ä¿è·ãããŠããŸãã-ããã€ã¹ãçãã ãèŠã€ããããã人ã¯ãæ£åœãªææè
ã«ä»£ãã£ãŠè¡åããããšãã§ããŸãïŒãã¡ããããã¹ã¯ãŒããèŠã€ããªãéãïŒã
ãã ããåŸæ¥ã®æå·åããŒã¯ã³ãšã¹ããŒãã«ãŒãã¯PINã³ãŒãã§ä¿è·ãããŠããŸãã äœæ¥ãéå§ããåã«ããŠãŒã¶ãŒã¯USBãBluetoothãNFCããŸãã¯SmartCard Readerãä»ããŠããŒã¯ã³ãããã€ã¹ã«æ¥ç¶ããŸãã 次ã«ãä¿è·ãããããŒã¯ã³ã¡ã¢ãªãžã®ã¢ã¯ã»ã¹ãããã¯è§£é€ããèªèšŒãèš±å¯ããPINã³ãŒããå
¥åããŸãã PINã³ãŒãã¯ãµãŒããŒã«éä¿¡ãããªããããéä¿¡äžã«ååããããšã¯ã§ããŸããã ãã¹ã¯ãŒããšã¯ç°ãªããç°¡åã§èŠãããããã®ã«ããããšãã§ããŸãã ãã®PINã³ãŒãã¯ç¥èèŠçŽ ã§ãããããæå·åããŒã¯ã³/ã¹ããŒãã«ãŒãã䜿çšãã2èŠçŽ èªèšŒãç°¡åã«æŽçã§ããŸãã
ãããã£ãŠãæå·ããŒã¯ã³ãé€ãã»ãšãã©ãã¹ãŠã®èªèšŒæ¹æ³ã«æ¬ é¥ããããŸããåºçç©ã®ç¬¬2éšã§ã¯ãæããããããã®ãç§ãã¡ãåŸ
ã£ãŠããŸã-æåã®éšã§äžããããçµè«ãšæšå¥šäºé
ã«åºã¥ããŠããæ°åãšäºå®ã ãŠãŒã¶ãŒã¢ããªã±ãŒã·ã§ã³ããã³äŒæ¥ã·ã¹ãã ã§ã®èªèšŒã«ã€ããŠã¯ãå¥é説æããŸãã