ã¡ãã£ã¢èšäº
TwitterãSMSã«ãã2FAã¯BlueãŠãŒã¶ãŒã®ã¿ã«å€æŽãéBlueãŠãŒã¶ãŒã¯3æ20æ¥ã«ç¡å¹ã«
ããºãææ°ããŒã¯ 223
twitterã³ã¡ã³ã 102ä»¶äž 1ïœ100件
ãããªã«ãŠãŒã¶ãŒæžããããã®ãïŒ(ã ããã)
ã®SMSã§ã®èªèšŒãææåããããããã®ã§èªèšŒã¢ããªãžã®ç§»è¡ãå®äºïŒ
ãªããªã䟿å©ãªãã ãã©ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã®æå¹æéçããŠçŠãww
å°å®ã䜿ã£ãã®ã¯ãã€ã¯ããœããã® ã£ãŠããã¢ããª
ã
ãªããªã䟿å©ãªãã ãã©ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã®æå¹æéçããŠçŠãww
å°å®ã䜿ã£ãã®ã¯ãã€ã¯ããœããã® ã£ãŠããã¢ããª
ã
çç±ãç解ã§ãã
èšå®ããŠã人ã¯æ³šæãªã®ããª
ãœãŒã¹ã¯ãã¡ãã
äºæ¥åã®æ å ±ã§ããâš
äºæ¥åã®æ å ±ã§ããâš
ãïŒïŒæ®µéèªèšŒå»æ¢ïŒãšæã£ããSMSéå®ã ã£ãããšããããgoogleèªèšŒèšå®ãããã€ãã§ã«äžæšæ¥ã«ïŒæ®µéèªèšŒã®SMSãå
¥ã£ãŠãã¯ãŒãªããPaypalå¢ãsakuãæ®ã©äœ¿ã£ãŠãªãã£ãããª('A`)
èªèšŒã¢ããªã«ãããïŒèŠçŽ èªèšŒèšå®å®äº
2段éèªèšŒäœ¿çšãŠãŒã¶ãŒã2.6%ãŠããšã«äžçªããã¯ãªÂ·Â·Â·äŒç ã¢ã«ãŠã³ããå€ãããã ãšæããã©2.6%ã¯å°ãªãæ°ããããã©ãªã···
ïŒSMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹
確ãã«ãã£ãã·ã³ã°ãµã€ãã«ããMitMæ»æã§ãããã©ããããã2FAã¯ãªã¹ãåæ»æããã«ãŒããã©ãŒã¹æ»æ察çã§ãããå®å šã«çå€ãã
確ãã«ãã£ãã·ã³ã°ãµã€ãã«ããMitMæ»æã§ãããã©ããããã2FAã¯ãªã¹ãåæ»æããã«ãŒããã©ãŒã¹æ»æ察çã§ãããå®å šã«çå€ãã
è²»çšã®éœåã«ããŠãã»ãã¥ãªãã£é¢ã¯å¹³çã«ããŠãããã
ãïŒ2FAç¡å¹åïŒããã£ãŠSecureçã«ã€ãããïŒãšæã£ããSMSèªèšŒéå®ããä»ã®æ段ã§ã®ïŒæ®µéèªèšŒã¯èªããŠãã®ã('A`)
ããã¯çæªã2èŠçŽ èªèšŒïŒ2FAïŒãšããæåŸã®æåŸãŸã§ç¡åæäŸãç¶ããªããŠã¯ãããªãéšåã§ã¯ãã»ãã¥ãªãã£ã人質ã«åãïŒïŒïŒã®ã¯ã€ã¡ãŒãžãæªãã ããã¥ãŒã¹ã
BlueãŠãŒã¶ãŒã®ã¡ãªãããã€ãã€ã
åãããªãã®ã§ã2FAã®æ¹æ³ãå€æŽ
ããããªã
åãããªãã®ã§ã2FAã®æ¹æ³ãå€æŽ
ããããªã
ãŸãã£ããâŠããæ°ããªç»é²ãã§ããªããªããæ¢åã®SMSç2FAãŠãŒã¶ãŒã¯3æ20æ¥ãŸã§ã«BlueäŒå¡ã«ãªããªããã°å€±å¹ããã倱å¹ããåã«ä»ã®æ¹æ³ã«ç»é²ãçŽãããšãå§ããŠããããâ
ïŒTwitterã¯ããã®å€æŽã®çç±ããSMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹ãããããããšããŠãããBlueäŒå¡ã§ããã°æªçšãããªããã察çãæ¡ãã®ãã©ããã¯äžæã
åºå ±ãšããŠã¡ãã£ã¢ã«ãªãªãŒã¹ã¯ããŠããœããã©èª¬æãªãã«ãã®è¡šç€ºåºãŠããããŸããªãããã£ãŠãâŠãšããæããããª
å
容ãèªã¿ééãããšçµ¶å¯ŸBlueã«å
¥ã人ã¯äžå®æ°ãããšæããèªèšŒã¢ããªã§ã®èªèšŒã«ããã°ãç¶ç¶å©çšå¯èœãšã®ããšã
ã«ãã2FA㯠ãŠãŒã¶ãŒã®ã¿ã«å€æŽ éBlueãŠãŒã¶ãŒã¯3æ20æ¥ã«ç¡å¹ã«
Twitterã®ã·ã§ãŒãã¡ãŒã«ã䜿ã£ã ã 以éã¯ææã«ãç¡æã®ãŸãŸ2èŠçŽ èªèšŒãæå¹ã«ããæ¹æ³ã¯ïŒ
ãµã
Twitterã®ã·ã§ãŒãã¡ãŒã«ã䜿ã£ã ã 以éã¯ææã«ãç¡æã®ãŸãŸ2èŠçŽ èªèšŒãæå¹ã«ããæ¹æ³ã¯ïŒ
ãµã
2023. 2.18
çŽæ£ã¢ããªèµ·åããããããªè¡šç€ºãïŒ
ã©ãããâãšããããšããã
èªèšŒã¢ããªã§ããã°ããã®ã§èŽåœçã§ã¯ãªãããããã
ã©ãããâãšããããšããã
èªèšŒã¢ããªã§ããã°ããã®ã§èŽåœçã§ã¯ãªãããããã
ãïŒçãããBLUEã«ããäºå®ãããŸããïŒïŒ
ç§ããã®&TEAMå¿æŽã¢ã«ãæ¥éœäœã£ãŠç¢ºãSMSã§ç»é²ããŠãæ°ããããã ãã©âŠãã®å æ¶ããå¯èœæ§ããã®ïŒïŒ
ç§ããã®&TEAMå¿æŽã¢ã«ãæ¥éœäœã£ãŠç¢ºãSMSã§ç»é²ããŠãæ°ããããã ãã©âŠãã®å æ¶ããå¯èœæ§ããã®ïŒïŒ
ä»æ¥ãã¢ããªãéããŠéç¥ãæ¥ãã®ã§é©ããŸããã調ã¹ããSMSã¯æªçšãããæããããããšãçç±ã ããã§ãããããªãææã§äœ¿ããã®ã¯ãªãïŒãšãªããŸããBlueãããžã«ãããå©çšãä»äžã€äžæ確ã®ããã§ããã
ãšããããèªèšŒã¢ããªããã£ãŠã¿ããæå€ãšç°¡åã«ç»é²ã§ããŸããð
ãšããããèªèšŒã¢ããªããã£ãŠã¿ããæå€ãšç°¡åã«ç»é²ã§ããŸããð
èŠãŠã:
äœãç®æããŠããã®ããâŠBlueãŠãŒã¶ãŒã¯åºåãŒãã«ãªããªãã®ãšã¿ã€ã ã©ã€ã³ããã€ãŒãã®ãŸãšãæ¹ã«é¢ããŠäžæºåºããŠãã®ã«æåCEOã®æåœãŠããŠèª°ãçŽåŸããã®ããâŠ(-Ï-)
ãŽãïŒ
Twitter 㧠SMSãä»èŠçŽ èªèšŒã§äœ¿ã£ãŠã人ãã¡ã¯æ³šæãGoogle Authenticator ãšãã®ã¢ããªçå€èŠçŽ èªèšŒæ©èœãã€ãããªããšãã
åŒãç¶ãç¡æã§å©çšã§ãããèªèšŒã¢ããªãæ¹åŒããããèªèšŒã¢ãã¯iOSã®ããã¹ã¯ãŒãããšããŠçµ±åãããŠããã®ã§ã¢ããªã¯äžèŠã§ããã
Twitterã¯ããã®å€æŽã®çç±ããSMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹ãããããããšããŠãããBlueäŒå¡ã§ããã°æªçšãããªããã察çãæ¡ãã®ãã©ããã¯äžæã ã
ã¯ãœãã¿ã¬ã
ã€ãŒãã³ã»ãã¹ã¯ã¯ãããã¹ãã£ãŒãã»ãžã§ããºãæµã«åããç·ããã
ã€ãŒãã³ã»ãã¹ã¯ã¯ãããã¹ãã£ãŒãã»ãžã§ããºãæµã«åããç·ããã
ãïŒ
äœãèšå®å€æŽããªãããããã®ïŒ
ãã€äœ¿ããªããªãã®ïŒ
ãããã®æã®çºã«ã
çããããããªãä»ãŸã§ããããšãããããŸããâºðð
äœãèšå®å€æŽããªãããããã®ïŒ
ãã€äœ¿ããªããªãã®ïŒ
ãããã®æã®çºã«ã
çããããããªãä»ãŸã§ããããšãããããŸããâºðð
2FAã«èªèšŒã¢ããªã䜿ã£ãŠãããäœã®åœ±é¿ããªãã£ã
2FAãæå¹ã«ããŠãããŠãŒã¶ãŒã¯å šäœã®2.6ïŒ ã£ãŠïœ€ä»¥å€ãšå°ãªã
2FAãæå¹ã«ããŠãããŠãŒã¶ãŒã¯å šäœã®2.6ïŒ ã£ãŠïœ€ä»¥å€ãšå°ãªã
æ¥ã«2段éèªèšŒåé€ããŠâŠã£ãŠåºãŠããããäœããšæã£ãããSMSã ã䜿ããªããªãã®ãããšããããGoogleãããã®èªèšŒã¢ããªå
¥ããšãã°ãããã
SMSæã€ã®ã¯ç¡æãããªãããããããªãããéãã«ãŒãç¡æã«ãããšããããšã¯ãã«ãŒãŠãŒã¶ãŒããããè² æ
ããããšã ãã
äœãè²ã
å€æŽã«ãªã£ãŠðŠ
ããšããšSMSïŒã·ã§ãŒãã¡ãŒã«ïŒã«ãã2段éèªèšŒãªã©ã¯å·§åŠãªãã£ãã·ã³ã°ã«ç¡åãªã®ã§
ãã£ãTwitteréãããããã®ç»é¢åºãŠããããç¡æäŒå¡ãžã®æ¹æªãã©ãã©ãé²ããã»ãã¥ãªãã£ãŒãŸã§ãææäŒå¡ã«ããªããšãããªãããã«ããã®ã...ã ãã£...
ãã£ããSMSã§ã®2段éèªèšŒãTwitter Blueãã£ãŠãªããšäœ¿ããªããªãçç±ã£ãŠããããããšã ã£ãã®ãããªãã»ã©ã
ãããŸã§ããããšããã³ã¹ãã«ãã>
Google Authenticatorã«å€ããŸããã
端æ«2å°ã§QRèªã¿èŸŒã¿ã ãšãããããããã©ãiPhone1å°ã ãã§ããããšãããšã€ã¬ã®ã¥ã©ãŒãããšã¡ãã£ãšé¢åããã
端æ«2å°ã§QRèªã¿èŸŒã¿ã ãšãããããããã©ãiPhone1å°ã ãã§ããããšãããšã€ã¬ã®ã¥ã©ãŒãããšã¡ãã£ãšé¢åããã
ããã¯ããããè±Twitter ãæ¥ãã®ããããããªããæ¹æªå€éããŠãããã
ä»ã©ãã¹ãã䜿ã£ãŠãã®ã«ããããSMSèªèšŒãéžã¶äººã£ãŠçžåœåžå°ã ãšæããã©ããèªèšŒã¢ããªãããªãã®ããšãããããSMSãéžãã§ã人ã¯ãããã ãããªã
ã¯ã³ã¿ã€ã ãã¹ã¯ãŒãã«éå®ã
ãããã»ãã¥ãªãã£ããŒãTOTPã¢ããªã¯äœ¿ãããããããããBlueã¯3ã€ã®äžã§æãã¢ã³ã»ãã¥ã¢ãªSMSã«ãã2FAãæ®ããããšããç¶æ
ã«ãªããšã
ç¹æš©ã©ãããï "
ç¹æš©ã©ãããï "
å人çã«ã¯èªèšŒã¢ããªãæ¯èŒç楜ãªæ¹æ³ã ãšæããã©ãã
iOSã¯OSããŒã¹ã§èªèšŒã¢ããªã®ã³ãŒãçæãå¹ããŠãããSMSèªèšŒä»¥äžã«ããã·ã¹ãã ã«ã¯ãªã£ãŠãã
iOSã¯OSããŒã¹ã§èªèšŒã¢ããªã®ã³ãŒãçæãå¹ããŠãããSMSèªèšŒä»¥äžã«ããã·ã¹ãã ã«ã¯ãªã£ãŠãã
ããžãã
ãªãã§Blueéå®w
èªèšŒã¢ããªã«åãæ¿ããããªãã
å人çã«ã¯SMSã®æ¹ã䟿å©ãªãã ãã©ã
ãªãã§Blueéå®w
èªèšŒã¢ããªã«åãæ¿ããããªãã
å人çã«ã¯SMSã®æ¹ã䟿å©ãªãã ãã©ã
èªèšŒã¢ããªã䜿ããšããæ¹æ³ãç¥ãããŠãªããã ãªããšæããããããäžæ¥ã ã£ãã
èªèšŒã¢ããªã¯ç¡æã®ãŸãŸã ããå¥ã«è¯ããã ãã©ãããã£ãŠçµå±SMSã¯ã³ã¹ãããããããã§ããïŒçç±ã¯ã¡ãããšèª¬æããããããã£ã±ãTwitterãšãã¹ã¯ã¯ð©ã ã
ä»ã衚瀺ããããããäœã ããïŒãšã°ã°ã£ããããã
TwitterãSMSã䜿ã£ã2èŠçŽ èªèšŒã3æ19æ¥ã«çµäº 察象ã¯ç¡æãŠãŒã¶ãŒ - Impress Watch
TwitterãSMSã䜿ã£ã2èŠçŽ èªèšŒã3æ19æ¥ã«çµäº 察象ã¯ç¡æãŠãŒã¶ãŒ - Impress Watch
ãããåã«SMSã¯é
ä¿¡ã«ã³ã¹ããæãããããããªãã®ïŒ
çŽ çŽã«èšãããå¥ã«ç解ã§ããªããããããªãããã
çŽ çŽã«èšãããå¥ã«ç解ã§ããªããããããªãããã
ãããææã£ãŠããªã«ã·ããªããïŒâ
ã«ããæããªããŠãŒã¶ãŒã«ã¯ã»ãã¥ãªãã£ã䜿ãããªããšããæ¹éã¯CEOã®æãä»ãã ãããã©ãä¹ã£åãããç¡æãŠãŒã¶ãŒã®ã¢ã«ãŠã³ããç¯çœªã®æž©åºã«ãªããšãæ³åãã§ããªãããããé©ãã»ã©ã®å现èCEO
Twitter䜿ã£ãŠããçªç¶2èŠçŽ èªèšŒã®èšå®ã®ãç¥ãããåºãã®ã¯ã³ã¬ã®ããšã
èªèšŒã¢ããªã¯OKãªã®ãããã¡ãã«å€æŽããïŒ
> åœæ2FAãæå¹ã«ããŠãããŠãŒã¶ãŒã¯å šäœã®2.6ïŒ ã§ããã®ãã¡ã®74.4ïŒ ãSMSããŒã¹ã ã
2.6%ïŒå°ãªã£ïŒ
> åœæ2FAãæå¹ã«ããŠãããŠãŒã¶ãŒã¯å šäœã®2.6ïŒ ã§ããã®ãã¡ã®74.4ïŒ ãSMSããŒã¹ã ã
2.6%ïŒå°ãªã£ïŒ
ãã®å€æŽãã®ãã®ããã2021幎æç¹ã§ããŠãŒã¶ãŒå
šäœã®2.6%ãã2èŠçŽ èªèšŒãæå¹åããŠãªãã£ãããšã«é©ããç¡é çãªäººãå€ãã®ãã䜿ãæšãŠãåœã®ã¢ã«ãŠã³ããå€ãã®ãã
"Twitterã¯ããã®å€æŽã®çç±ããSMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹ãããããããšããŠãããBlueäŒå¡ã§ããã°æªçšãããªããã察çãæ¡ãã®ãã©ããã¯äžæã "
å
ã
ããŒããŒé¡ã¯å
šãŠã¢ããªãéµã§ãã£ãŠããããªãŒïŒSMSã¯æ·±å€ã«Androidã®ROMçŒãç°å¢æºåãšããããšïŒãéãã¢ãŒãã§ã¡ãã»ãŒãžãè¡šã«æ¥ãªããŠå°ããããª
æ£çŽã«èšããšãTwitterãå°ããã€å«ãã«ãªãã€ã€ããã
ãŸãTwitteré»ç€ºé²ãå§ãŸãã®ãâŠ
ã2021幎ã«å
¬éããéææ§ã¬ããŒãã«ãããšãåœæ2FAãæå¹ã«ããŠãããŠãŒã¶ãŒã¯å
šäœã®2.6ïŒ
ã§ã
éåå°ãªããªã? ã»ãã¥ãªãã£ããŒã䜿ã£ãŠãã®ãããã«ãã®ãã¡ã®0.5%ã ãš?
éåå°ãªããªã? ã»ãã¥ãªãã£ããŒã䜿ã£ãŠãã®ãããã«ãã®ãã¡ã®0.5%ã ãš?
ãã£ãšããããªãšããã«æžããŠããã®ã ãã©ãBlueã«ããã¡ãªãããšãããããBlueã«ããªããã¡ãªããã®æ¹ããã«ããšæããŸãã
ââââ-
ââââ-
SMS代ã銬鹿ã«ãªããªããããªããã¡ãŒã«ã§èªèšŒã³ãŒãåãåã£ãŠãããŠãªã
äºæ®µéèªèšŒã®çºã«Blueã«ãªããªãããã£ãŠãã€ãŒãã¿ããããããŸãããïŒã£ãŠæã£ãŠããã ãã©ãSMSã®å Žåã ãã ã£ãã
ããã©ããã( á·áœ¢ïœ¥á·
)
ææã«ã¯èå³ããªãããã©ãäžå¿ã
é¢åããããªãç¡æãŠãŒã¶ãæé€ããã€ãããïŒ
éã«ããªããªããŠãŒã¶ãŒãæé€ãããããã
æ¢åã®SMSç2FAãŠãŒã¶ãŒã¯3æ20æ¥ãŸã§ã«BlueäŒå¡ã«ãªããªããã°å€±å¹ã倱å¹ããåã«ä»ã®æ¹æ³ã«ç»é²ãçŽãããšãå§ããŠãã
ãŸããéãã®ã«ãéããããããã
éžæè¢ãšããŠã¯èªèšŒã¢ããªã劥åœã ããããéããããããã
SMSã«ãã2èŠçŽ èªèšŒããŠãæ¹ã¯æ³šæãå¿
èŠã§ãã
ã»ãã¥ãªãã£ã¬ãã«ã¯ãéæã£ãŠããã©ããã§äžãäžããããã®ã§ã¯ãªãæ°ããããããç¹ã«B2Cã¯ã
ãŸããã¢ããªã§ããã°ããã£ãŠã ãã§ããâŠâŠïŒ
åæãèŠãŠãæå³äžæã ã£ããéããããããšããªããŸã ç解ã§ãããã©ïŒ
ææäŒå¡ã¯ã»ãã¥ãªãã£äžåé¡ãããæ©èœã䜿ãããšããç¹æš©ãäžããããâŠâŠð€šð€
ããŒããããâŠ
ããã¯ä»ã®åŸ¡æäžãã€ãã¹ã€ã¡ãŒãžãããªã
ããã¯ä»ã®åŸ¡æäžãã€ãã¹ã€ã¡ãŒãžãããªã
"åæ¥(2æ15æ¥)ããæ°ããªç»é²ãã§ããªããªããæ¢åã®SMSç2FAãŠãŒã¶ãŒã¯3æ20æ¥ãŸã§ã«BlueäŒå¡ã«ãªããªããã°å€±å¹ãããTwitterã¯ã倱å¹ããåã«ä»ã®æ¹æ³ã«ç»é²ãçŽãããšãå§ããŠãã"
äœããããã
TwitterãSMSã«ãã2段éèªèšŒçµäºã®ãç¥ããããŠãã
ã¢ããªãžã®åãæ¿ãæé ãããã«ããã£ãããã
AuthyãšãGoogle Authenticator䜿ãåæã§ç°¡ææé ãããªãŒã«ã¶ãäžããŸãã
ã¢ããªãžã®åãæ¿ãæé ãããã«ããã£ãããã
AuthyãšãGoogle Authenticator䜿ãåæã§ç°¡ææé ãããªãŒã«ã¶ãäžããŸãã
Twitterã«ãSMSã®2èŠçŽ èªèšŒããªã»ããããããšèšãããã®ã§ãèªèšŒã¢ããªïŒGoogle Authenticatorã䜿çšïŒã«å€æŽããã
ãããã ãããã
SMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹ããããã
~TwitteråŽã®èšãåã
~TwitteråŽã®èšãåã
ã¹ããã«èªèšŒã¢ããªãå°å
¥ããŠãããã
ITmediaïŒ
ITmediaïŒ
ããã¯å°ã人ãå€ãã§ãããããèªèšŒã¢ããªã£ãŠäœããïŒãšãããšããããå
¥ãããã©ç§ã¯æ®æ®µããMicrosoft Authenticatorã䜿ãã®ã§ãããªãééããªãã
ã¢ããªèªèšŒã«å€æŽããããåŸãŸããã§ãã
ãžã®ç¬¬äžæ©ã§ã¯ãªããŠã
ææåããªããšç¡æå³ã«ã¯ãªãããã§ãããã?
ç¹äŸ¡ã§æé¡1,380ã
ãSMSã«ãã2FA㯠ã®ã¿ã«å€æŽ éBlueãŠãŒã¶ãŒã¯3æ20æ¥ã«ç¡å¹ã«
ãžã®ç¬¬äžæ©ã§ã¯ãªããŠã
ææåããªããšç¡æå³ã«ã¯ãªãããã§ãããã?
ç¹äŸ¡ã§æé¡1,380ã
ãSMSã«ãã2FA㯠ã®ã¿ã«å€æŽ éBlueãŠãŒã¶ãŒã¯3æ20æ¥ã«ç¡å¹ã«
ãïŒïŒ
-----âŠ
-----âŠ
ããžãâð¡ð¢
ææäŒå¡ä»¥å€ã¯ãã©ãã§ãããã®ãâŠ
ææäŒå¡ä»¥å€ã¯ãã©ãã§ãããã®ãâŠ
å»å¹Žã®æ®µéã§2FA䜿ã£ãŠãã®ã2%å°ãšã¯ãå°ãªã£âŒïž
課éãŠãŒã¶ãŒã§ãªããšâŠSMS2段éèªèšŒããªããªãã ãšïŒ
ãããªãã»ãã¥ãªãã£ã¬ãã¬ããã
ãããªãã»ãã¥ãªãã£ã¬ãã¬ããã
ããã¯æªæ以å€ã®äœç©ã§ããªããª
Twitterã¯ããã®å€æŽã®çç±ããSMSããŒã¹ã®2FAã¯æªçšãããã±ãŒã¹ãããããããšããŠãããBlueäŒå¡ã§ããã°æªçšãããªããã察çãæ¡ãã®ãã©ããã¯äžæã ã
ã ã£ãŠã
ã ã£ãŠã
ãæ¢åã®SMSç2FAãŠãŒã¶ãŒã¯3æ20æ¥ãŸã§ã«BlueäŒå¡ã«ãªããªããã°å€±å¹ã
éå ±ããžãã¹æ
å ±ã§ãã
æçš¿æé:2023-02-18 18:00:54
ãããTwitterãSMSèªèšŒã«ã³ã¹ããã©ãã ããããŠãã®ãèå³ãããã®ã§ããâŠ
ã»ãã¥ãªãã£äžã®çç±ãæããŠããã©ãã¶ã£ã¡ããã«ããæããããšããããšãªãã ãããšæããç¡æã§å®å
šãªèªèšŒã¢ããªã䜿ãã®ãè¯ãã ãããã
ãªãã匷åŒããªïŒ
æåãã§ã€ã¯ã ãšæã£ããããžã ã£ãããšãããããèªèšŒã¢ããªãã«å€æŽãiPhoneã®ãèšå®ãã¢ããªãããŒã¯ã³ã¢ããªã«ãªãã
åçŽã«SMSã¯è²»çšãé«ãããæ¢ããããããªãããªããšã
ã¢ããªèªèšŒã¯ãã®ãŸãŸã¿ããã ãã
ã¢ããªèªèšŒã¯ãã®ãŸãŸã¿ããã ãã
SMSã¯ã«ããæããããBlueéå®ã£ãŠããšãªã®ããªããŸãæ®éã®ãŠãŒã¶ãŒã¯Google Authenticatorãšã䜿ãã®ãè¯ãããã ãã
å㞠次ãž
æªçšããããã®ãææäŒå¡ã«äœ¿ãããã®?
=