Hay dos motivos por los que pondrías una contraseña muy evidente en twitter: por pretender crear una cuenta rápido y sin importancia o por ser la persona menos segura que pulula por internet, yo lo sé, tú lo sabes y twitter también lo sabe.
Por este motivo twitter guarda una relación de contraseñas "no permitidas" que a continuación expongo.
Si colocamos una contraseña menor de 6 caracteres twitter nos informa de que es demasiado corta.

Si pretendemos dejar una contraseña de seis caracteres, pero de muy baja seguridad, nos lo muestra al escribirla.

Y no nos lo permite al tratar de grabarla.
La lista de esas palabras que twitter no permite por ser muy obvias y que jamás debes utilizar en niguna web es la siguiente:
"000000","111111","11111111","112233","121212","123123","123456","1234567", "12345678","123456789","131313","232323","654321","666666", "696969","777777","7777777","8675309","987654","nnnnnn","nop123","nop123","nopqrs","noteglh","npprff","npprff14","npgvba","nyoreg","nyoregb", "nyrkvf","nyrwnaqen", "nyrwnaqeb","nznaqn","nzngrhe","nzrevpn","naqern","naqerj","natryn","natryf", "navzny","nagubal","ncbyyb","nccyrf", "nefrany","neguhe","nfqstu","nfqstu", "nfuyrl","nffubyr","nhthfg","nhfgva","onqobl","onvyrl","onanan","onearl", "onfronyy","ongzna","orngevm", "ornire","ornivf","ovtpbpx","ovtqnqql","ovtqvpx", "ovtqbt","ovtgvgf","oveqvr","ovgpurf","ovgrzr","oynmre","oybaqr","oybaqrf", "oybjwbo","oybjzr", "obaq007","obavgn","obaavr","obbobb","obbtre","obbzre", "obfgba","oenaqba","oenaql","oenirf","oenmvy","oebapb","oebapbf","ohyyqbt", "ohfgre", "ohggre","ohggurnq","pnyiva","pnzneb","pnzreba","pnanqn","pncgnva", "pneybf","pnegre","pnfcre","puneyrf","puneyvr","purrfr","puryfrn","purfgre", "puvpntb","puvpxra","pbpnpbyn","pbssrr","pbyyrtr","pbzcnd","pbzchgre","pbafhzre", "pbbxvr","pbbcre","pbeirggr","pbjobl","pbjoblf","pelfgny","phzzvat", "phzfubg", "qnxbgn","qnyynf","qnavry","qnavryyr","qroovr","qraavf","qvnoyb","qvnzbaq", "qbpgbe","qbttvr","qbycuva","qbycuvaf","qbanyq","qentba","qernzf", "qevire", "rntyr1","rntyrf","rqjneq","rvafgrva","rebgvp","rfgeryyn","rkgerzr","snypba", "sraqre","sreenev","sveroveq","svfuvat","sybevqn","sybjre","sylref", "sbbgonyy", "sberire","serqql","serrqbz","shpxrq","shpxre","shpxvat","shpxzr","shpxlbh", "tnaqnys","tngrjnl","tngbef","trzvav","trbetr","tvnagf","tvatre", "tvmzbqb", "tbyqra","tbysre","tbeqba","tertbel","thvgne","thaare","unzzre","unaanu", "uneqpber","uneyrl","urngure","uryczr","uragnv","ubpxrl","ubbgref", "ubearl", "ubgqbt","uhagre","uhagvat","vprzna","vybirlbh","vagrearg","vjnagh","wnpxvr", "wnpxfba","wnthne","wnfzvar","wnfcre","wraavsre","wrerzl", "wrffvpn","wbuaal", "wbuafba","wbeqna","wbfrcu","wbfuhn","whavbe","whfgva","xvyyre","xavtug", "ynqvrf","ynxref","ynhera","yrngure","yrtraq","yrgzrva", "yrgzrva","yvggyr", "ybaqba","ybiref","znqqbt","znqvfba","znttvr","zntahz","znevar","znevcbfn", "zneyobeb","znegva","zneiva","znfgre","zngevk","znggurj", "znirevpx","znkjryy", "zryvffn","zrzore","zreprqrf","zreyva","zvpunry","zvpuryyr","zvpxrl","zvqavtug", "zvyyre","zvfgerff","zbavpn","zbaxrl","zbaxrl", "zbafgre","zbetna","zbgure", "zbhagnva","zhssva","zhecul","zhfgnat","anxrq","anfpne","anguna","anhtugl", "app1701","arjlbex","avpubynf","avpbyr","avccyr", "avccyrf","byvire","benatr", "cnpxref","cnagure","cnagvrf","cnexre","cnffjbeq","cnffjbeq","cnffjbeq1","cnffjbeq12", "cnffjbeq123","cngevpx","crnpurf", "crnahg","crccre","cunagbz","cubravk","cynlre", "cyrnfr","cbbxvr","cbefpur","cevapr","cevaprff","cevingr","checyr","chffvrf", "dnmjfk","djregl","djreglhv","enoovg","enpury","enpvat","envqref","envaobj", "enatre","enatref","erorppn","erqfxvaf","erqfbk","erqjvatf","evpuneq","eboreg", "eboregb","ebpxrg","ebfrohq","ehaare","ehfu2112","ehffvn","fnznagun","fnzzl", "fnzfba","fnaqen","fnghea","fpbbol","fpbbgre","fpbecvb","fpbecvba","fronfgvna", "frperg","frkfrk","funqbj","funaaba","funirq","fvreen","fvyire","fxvccl", "fynlre","fzbxrl","fabbcl","fbppre","fbcuvr","fcnaxl","fcnexl","fcvqre", "fdhveg","fevavinf","fgnegerx","fgnejnef","fgrryref","fgrira","fgvpxl","fghcvq", "fhpprff","fhpxvg","fhzzre","fhafuvar","fhcrezna","fhesre","fjvzzvat","flqarl", "grdhvreb","gnlybe","graavf","grerfn","grfgre","grfgvat","gurzna","gubznf", "guhaqre","guk1138","gvssnal","gvtref","gvttre","gbzpng","gbctha","gblbgn", "genivf","gebhoyr","gehfgab1","ghpxre","ghegyr","gjvggre","havgrq","intvan", "ivpgbe","ivpgbevn","ivxvat","ibbqbb","iblntre","jnygre","jneevbe","jrypbzr", "jungrire","jvyyvnz","jvyyvr","jvyfba","jvaare","jvafgba","jvagre","jvmneq", "knivre","kkkkkk","kkkkkkkk","lnznun","lnaxrr","lnaxrrf","lryybj","mkpioa", "mkpioaz","mmmmmm","qnavryyr","qroovr","qraavf","qvnoyb","qvnzbaq","qbpgbe", "qbttvr","qbycuva","qbycuvaf","qbanyq","qentba","qernzf","qevire","rntyr1", "rntyrf","rqjneq","rvafgrva","rebgvp","rfgeryyn","rkgerzr","snypba","sraqre", "sreenev","sveroveq","svfuvat","sybevqn","sybjre","sylref","sbbgonyy","sberire", "serqql","serrqbz","shpxrq","shpxre","shpxvat","shpxzr","shpxlbh","tnaqnys", "tngrjnl","tngbef","trzvav","trbetr","tvnagf","tvatre","tvmzbqb","tbyqra","tbysre", "tbeqba","tertbel","thvgne","thaare","unzzre","unaanu","uneqpber","uneyrl", "urngure","uryczr","uragnv","ubpxrl","ubbgref","ubearl","ubgqbt","uhagre", "uhagvat","vprzna","vybirlbh","vagrearg","vjnagh","wnpxvr","wnpxfba","wnthne", "wnfzvar","wnfcre","wraavsre","wrerzl","wrffvpn","wbuaal","wbuafba","wbeqna", "wbfrcu","wbfuhn","whavbe","whfgva","xvyyre","xavtug","ynqvrf","ynxref","ynhera", "yrngure","yrtraq","yrgzrva","yrgzrva","yvggyr","ybaqba","ybiref","znqqbt", "znqvfba","znttvr","zntahz","znevar","znevcbfn", "zneyobeb","znegva","zneiva", "znfgre","zngevk","znggurj","znirevpx","znkjryy","zryvffn","zrzore","zreprqrf", "zreyva","zvpunry","zvpuryyr","zvpxrl","zvqavtug","zvyyre","zvfgerff","zbavpn", "zbaxrl","zbaxrl","zbafgre","zbetna","zbgure","zbhagnva","zhssva","zhecul", "zhfgnat","anxrq","anfpne","anguna","anhtugl","app1701","arjlbex","avpubynf", "avpbyr","avccyr","avccyrf","byvire","benatr","cnpxref","cnagure","cnagvrf", "cnexre","cnffjbeq","cnffjbeq","cnffjbeq1","cnffjbeq12","cnffjbeq123","cngevpx", "crnpurf","crnahg","crccre","cunagbz","cubravk","cynlre","cyrnfr","cbbxvr", "cbefpur","cevapr","cevaprff","cevingr","checyr","chffvrf","dnmjfk","djregl", "djreglhv","enoovg","enpury","enpvat","envqref","envaobj","enatre","enatref", "erorppn","erqfxvaf","erqfbk","erqjvatf","evpuneq","eboreg","eboregb","ebpxrg", "ebfrohq","ehaare","ehfu2112","ehffvn","fnznagun","fnzzl","fnzfba","fnaqen", "fnghea","fpbbol","fpbbgre","fpbecvb","fpbecvba","fronfgvna","frperg","frkfrk", "funqbj","funaaba","funirq","fvreen","fvyire","fxvccl","fynlre","fzbxrl", "fabbcl","fbppre","fbcuvr","fcnaxl","fcnexl","fcvqre","fdhveg","fevavinf", "fgnegerx","fgnejnef","fgrryref","fgrira","fgvpxl","fghcvq","fhpprff","fhpxvg", "fhzzre","fhafuvar","fhcrezna","fhesre","fjvzzvat","flqarl","grdhvreb","gnlybe", "graavf","grerfn","grfgre","grfgvat","gurzna","gubznf","guhaqre","guk1138", "gvssnal","gvtref","gvttre","gbzpng","gbctha","gblbgn","genivf","gebhoyr", "gehfgab1","ghpxre","ghegyr","gjvggre","havgrq","intvan","ivpgbe","ivpgbevn", "ivxvat","ibbqbb","iblntre","jnygre","jneevbe","jrypbzr","jungrire","jvyyvnz", "jvyyvr","jvyfba","jvaare","jvafgba","jvagre","jvmneq","knivre","kkkkkk", "kkkkkkkk","lnznun","lnaxrr","lnaxrrf","lryybj","mkpioa" y "mkpioaz".
Trata de fijar cualquiera de estas como contraseña en twitter y verás este mensaje:

No es nada relevante, pero al descubrirlo me pareció curioso.







