Did you know that there are 401 passwords that you can’t use to create a Twitter account? It’s true! But, that 401 less passwords for hackers to try to guess 🙂 Of course, if you pick a secure password, then this should not be of huge concern.

How do we know these passwords are taboo? They’re all in a comma-delimited list of banned passwords in the Twitter.com/signup source code.

I’ve reproduced all the passwords here. It seems that they keep adding new ones to this list every few weeks, so it’s only accurate up to the time of this postThey have not added any new passwords since the time of this post. This list is in the same order as the passwords appear in the source code.

  1. 000000
  2. 111111
  3. 11111111
  4. 112233
  5. 121212
  6. 123123
  7. 123456
  8. 1234567
  9. 12345678
  10. 123456789
  11. 131313
  12. 232323
  13. 654321
  14. 666666
  15. 696969
  16. 777777
  17. 7777777
  18. 8675309
  19. 987654
  20. nnnnnn
  21. nop123
  22. nop123
  23. nopqrs
  24. noteglh
  25. npprff
  26. npprff14
  27. npgvba
  28. nyoreg
  29. nyoregb
  30. nyrkvf
  31. nyrwnaqen
  32. nyrwnaqeb
  33. nznaqn
  34. nzngrhe
  35. nzrevpn
  36. naqern
  37. naqerj
  38. natryn
  39. natryf
  40. navzny
  41. nagubal
  42. ncbyyb
  43. nccyrf
  44. nefrany
  45. neguhe
  46. nfqstu
  47. nfqstu
  48. nfuyrl
  49. nffubyr
  50. nhthfg
  51. nhfgva
  52. onqobl
  53. onvyrl
  54. onanan
  55. onearl
  56. onfronyy
  57. ongzna
  58. orngevm
  59. ornire
  60. ornivf
  61. ovtpbpx
  62. ovtqnqql
  63. ovtqvpx
  64. ovtqbt
  65. ovtgvgf
  66. oveqvr
  67. ovgpurf
  68. ovgrzr
  69. oynmre
  70. oybaqr
  71. oybaqrf
  72. oybjwbo
  73. oybjzr
  74. obaq007
  75. obavgn
  76. obaavr
  77. obbobb
  78. obbtre
  79. obbzre
  80. obfgba
  81. oenaqba
  82. oenaql
  83. oenirf
  84. oenmvy
  85. oebapb
  86. oebapbf
  87. ohyyqbt
  88. ohfgre
  89. ohggre
  90. ohggurnq
  91. pnyiva
  92. pnzneb
  93. pnzreba
  94. pnanqn
  95. pncgnva
  96. pneybf
  97. pnegre
  98. pnfcre
  99. puneyrf
  100. puneyvr
  101. purrfr
  102. puryfrn
  103. purfgre
  104. puvpntb
  105. puvpxra
  106. pbpnpbyn
  107. pbssrr
  108. pbyyrtr
  109. pbzcnd
  110. pbzchgre
  111. pbafhzre
  112. pbbxvr
  113. pbbcre
  114. pbeirggr
  115. pbjobl
  116. pbjoblf
  117. pelfgny
  118. phzzvat
  119. phzfubg
  120. qnxbgn
  121. qnyynf
  122. qnavry
  123. qnavryyr
  124. qroovr
  125. qraavf
  126. qvnoyb
  127. qvnzbaq
  128. qbpgbe
  129. qbttvr
  130. qbycuva
  131. qbycuvaf
  132. qbanyq
  133. qentba
  134. qernzf
  135. qevire
  136. rntyr1
  137. rntyrf
  138. rqjneq
  139. rvafgrva
  140. rebgvp
  141. rfgeryyn
  142. rkgerzr
  143. snypba
  144. sraqre
  145. sreenev
  146. sveroveq
  147. svfuvat
  148. sybevqn
  149. sybjre
  150. sylref
  151. sbbgonyy
  152. sberire
  153. serqql
  154. serrqbz
  155. shpxrq
  156. shpxre
  157. shpxvat
  158. shpxzr
  159. shpxlbh
  160. tnaqnys
  161. tngrjnl
  162. tngbef
  163. trzvav
  164. trbetr
  165. tvnagf
  166. tvatre
  167. tvmzbqb
  168. tbyqra
  169. tbysre
  170. tbeqba
  171. tertbel
  172. thvgne
  173. thaare
  174. unzzre
  175. unaanu
  176. uneqpber
  177. uneyrl
  178. urngure
  179. uryczr
  180. uragnv
  181. ubpxrl
  182. ubbgref
  183. ubearl
  184. ubgqbt
  185. uhagre
  186. uhagvat
  187. vprzna
  188. vybirlbh
  189. vagrearg
  190. vjnagh
  191. wnpxvr
  192. wnpxfba
  193. wnthne
  194. wnfzvar
  195. wnfcre
  196. wraavsre
  197. wrerzl
  198. wrffvpn
  199. wbuaal
  200. wbuafba
  201. wbeqna
  202. wbfrcu
  203. wbfuhn
  204. whavbe
  205. whfgva
  206. xvyyre
  207. xavtug
  208. ynqvrf
  209. ynxref
  210. ynhera
  211. yrngure
  212. yrtraq
  213. yrgzrva
  214. yrgzrva
  215. yvggyr
  216. ybaqba
  217. ybiref
  218. znqqbt
  219. znqvfba
  220. znttvr
  221. zntahz
  222. znevar
  223. znevcbfn
  224. zneyobeb
  225. znegva
  226. zneiva
  227. znfgre
  228. zngevk
  229. znggurj
  230. znirevpx
  231. znkjryy
  232. zryvffn
  233. zrzore
  234. zreprqrf
  235. zreyva
  236. zvpunry
  237. zvpuryyr
  238. zvpxrl
  239. zvqavtug
  240. zvyyre
  241. zvfgerff
  242. zbavpn
  243. zbaxrl
  244. zbaxrl
  245. zbafgre
  246. zbetna
  247. zbgure
  248. zbhagnva
  249. zhssva
  250. zhecul
  251. zhfgnat
  252. anxrq
  253. anfpne
  254. anguna
  255. anhtugl
  256. app1701
  257. arjlbex
  258. avpubynf
  259. avpbyr
  260. avccyr
  261. avccyrf
  262. byvire
  263. benatr
  264. cnpxref
  265. cnagure
  266. cnagvrf
  267. cnexre
  268. cnffjbeq
  269. cnffjbeq
  270. cnffjbeq1
  271. cnffjbeq12
  272. cnffjbeq123
  273. cngevpx
  274. crnpurf
  275. crnahg
  276. crccre
  277. cunagbz
  278. cubravk
  279. cynlre
  280. cyrnfr
  281. cbbxvr
  282. cbefpur
  283. cevapr
  284. cevaprff
  285. cevingr
  286. checyr
  287. chffvrf
  288. dnmjfk
  289. djregl
  290. djreglhv
  291. enoovg
  292. enpury
  293. enpvat
  294. envqref
  295. envaobj
  296. enatre
  297. enatref
  298. erorppn
  299. erqfxvaf
  300. erqfbk
  301. erqjvatf
  302. evpuneq
  303. eboreg
  304. eboregb
  305. ebpxrg
  306. ebfrohq
  307. ehaare
  308. ehfu2112
  309. ehffvn
  310. fnznagun
  311. fnzzl
  312. fnzfba
  313. fnaqen
  314. fnghea
  315. fpbbol
  316. fpbbgre
  317. fpbecvb
  318. fpbecvba
  319. fronfgvna
  320. frperg
  321. frkfrk
  322. funqbj
  323. funaaba
  324. funirq
  325. fvreen
  326. fvyire
  327. fxvccl
  328. fynlre
  329. fzbxrl
  330. fabbcl
  331. fbppre
  332. fbcuvr
  333. fcnaxl
  334. fcnexl
  335. fcvqre
  336. fdhveg
  337. fevavinf
  338. fgnegerx
  339. fgnejnef
  340. fgrryref
  341. fgrira
  342. fgvpxl
  343. fghcvq
  344. fhpprff
  345. fhpxvg
  346. fhzzre
  347. fhafuvar
  348. fhcrezna
  349. fhesre
  350. fjvzzvat
  351. flqarl
  352. grdhvreb
  353. gnlybe
  354. graavf
  355. grerfn
  356. grfgre
  357. grfgvat
  358. gurzna
  359. gubznf
  360. guhaqre
  361. guk1138
  362. gvssnal
  363. gvtref
  364. gvttre
  365. gbzpng
  366. gbctha
  367. gblbgn
  368. genivf
  369. gebhoyr
  370. gehfgab1
  371. ghpxre
  372. ghegyr
  373. gjvggre
  374. havgrq
  375. intvan
  376. ivpgbe
  377. ivpgbevn
  378. ivxvat
  379. ibbqbb
  380. iblntre
  381. jnygre
  382. jneevbe
  383. jrypbzr
  384. jungrire
  385. jvyyvnz
  386. jvyyvr
  387. jvyfba
  388. jvaare
  389. jvafgba
  390. jvagre
  391. jvmneq
  392. knivre
  393. kkkkkk
  394. kkkkkkkk
  395. lnznun
  396. lnaxrr
  397. lnaxrrf
  398. lryybj
  399. mkpioa
  400. mkpioaz
  401. mmmmmm

After looking through that list, what do you think made Twitter ban these passwords? Can Twitter see the top 400+ used passwords? (If so, that would be creepy.) Is Twitter a giant discriminator? Well, what do you think? Post a comment with your conspiracy theory in it, I’d like to hear!

Published by Geoffrey Liu

A software engineer by trade and a classical musician at heart. Currently a software engineer at Groupon getting into iOS mobile development. Recently graduated from the University of Washington, with a degree in Computer Science and a minor in Music. Web development has been my passion for many years. I am also greatly interested in UI/UX design, teaching, cooking, biking, and collecting posters.

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