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by the
Wireless Telephone Protection Act of 1998, which prohibits "knowingly using, producing, trafficking in, having control or custody of, or possessing hardware or software knowing that it has been configured to insert or modify telecommunication identifying information associated with or
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authentication algorithm used by these older SIM cards. By connecting the SIM card to a computer, the authentication procedure can be repeated many times in order to slowly leak information about the secret key. If this procedure is repeated enough times, it is possible to derive the
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in its transmission signal which remains unique to that mobile despite changes to the phone's ESN, IMEI, or MIN. Thus, cellular companies are often able to catch cloned phones when there are discrepancies between the fingerprint and the ESN, IMEI, or MIN.
150:(ESN) and Mobile Directory Numbers (MDN or CTN, the Cellular Telephone Number) over the air. The intercepted ESN/MDN pairs would be cloned onto another handset and used in other regions for making calls. Due to widespread fraud, some carriers required a
193:(MEID) of the mobile phone to be changed. To obtain the MEID of your phone, simply open your phone's dialler and type *#06# to get its MEID number. The ESN or MEID is typically transmitted to the cellular company's
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key. Later GSM SIMs have various mitigations built in, either by limiting the amount of authentications performed in a power on session, or by the manufacturer choosing resistant K
205:, or MIN, can pave the way for fraudulent calls, as the target telephone is now a clone of the telephone from which the original ESN and MIN data were obtained.
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contained in a telecommunications instrument so that such instrument may be used to obtain telecommunications service without authorization."
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224:(IMEI) number. There are various methods used to obtain the IMEI. The most common method is to eavesdrop on a cellular network.
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220:, typically not requiring any internal data from the handset (the phone itself). GSM handsets do not have ESN or MIN, only an
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Analogue mobile telephones were notorious for their lack of security. Casual listeners easily heard conversations as plain
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keys. However if it is known that a resistant key was used, it is possible to speed up the attack by eliminating weak K
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378:"The evolution of cryptography in mobile networks and how to secure them in the future"
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Older GSM SIM cards can be cloned by performing a cryptographic attack against the
177:(CDMA) mobile telephone cloning involves gaining access to the device's embedded
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The effectiveness of phone cloning is limited. Every mobile phone contains a
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466:"S.493 - 105th Congress (1997-1998): Wireless Telephone Protection Act"
146:; eavesdroppers with specialized equipment readily intercepted handset
327:"How to make sure your phone works on a prepaid alternative carrier"
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181:/nvm/num directory via specialized software or placing a modified
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353:"What is Cell Phone Cloning - Everything You Need to Know"
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cloning occurs by copying a secret key from the victim
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Copying of identity from one cellular device to another
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185:into the target mobile telephone, allowing the
170:A selection of mobile phones that can be cloned
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138:Advanced Mobile Phone System § Cloning
109:Learn how and when to remove this message
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154:before making calls or used a system of
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283:International Mobile Equipment Identity
222:International Mobile Equipment Identity
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388:from the original on 21 December 2022
376:Preuβ Mattsson, John (Jun 29, 2021).
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247:keys from the pool of possible keys.
124:is the copying of identity from one
47:adding citations to reliable sources
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409:"The Truth About SIM Card Cloning"
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255:Phone cloning is outlawed in the
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325:Bader, Daniel (March 21, 2017).
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251:Effectiveness and legislation
175:Code-Division Multiple Access
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191:Mobile Equipment Identifier
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288:Subscriber identity module
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351:Gor, Mosam (2016-05-20).
312:www.isaac.cs.berkeley.edu
187:Electronic Serial Number
148:Electronic Serial Numbers
199:Preferred Roaming List
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158:to detect the clones.
434:"A3/A8 & COMP128"
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156:radio fingerprinting
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491:Mobile technology
265:radio fingerprint
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162:CDMA cloning
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132:AMPS cloning
128:to another.
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41:Please help
36:verification
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336:October 24,
209:GSM cloning
179:file system
480:Categories
418:2023-07-23
362:2019-04-05
294:References
69:newspapers
441:Archived
386:Archived
382:Ericsson
278:Dual SIM
272:See also
218:SIM card
413:YouTube
392:26 July
229:COMP128
83:scholar
450:26 Jul
357:MovZio
183:EEPROM
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486:Fraud
444:(PDF)
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331:iMore
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214:GSM
152:PIN
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