home *** CD-ROM | disk | FTP | other *** search
open in:
MacOS 8.1
|
Win98
|
DOS
view JSON data
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view as text
This file was processed as: Mailbox/MIME Entity
(archive/mbox).
You can browse this item here: cellular.sie
Confidence | Program | Detection | Match Type | Support
|
---|
100%
| dexvert
| Mailbox/MIME Entity (archive/mbox)
| magic
| Supported |
100%
| dexvert
| Internet Message Format (text/imf)
| magic
| Supported |
1%
| dexvert
| Text File (text/txt)
| fallback
| Supported |
100%
| file
| Mailbox text, 1st line "From GEOFF%CSL.SRI.COM@XX.LCS.MIT.EDU Fri Jun 12 17:27:09 1987", ASCII text
| default
| |
100%
| TrID
| E-Mail message (Var. 2)
| default
| |
100%
| checkBytes
| Printable ASCII
| default
| |
100%
| perlTextCheck
| Likely Text (Perl)
| default
| |
100%
| siegfried
| x-fmt/111 Plain Text File
| default
| |
100%
| detectItEasy
| Format: plain text[LF]
| default (weak)
| |
100%
| xdgMime
| application/mbox
| default
|
|
hex view+--------+-------------------------+-------------------------+--------+--------+
|00000000| 46 72 6f 6d 20 47 45 4f | 46 46 25 43 53 4c 2e 53 |From GEO|FF%CSL.S|
|00000010| 52 49 2e 43 4f 4d 40 58 | 58 2e 4c 43 53 2e 4d 49 |RI.COM@X|X.LCS.MI|
|00000020| 54 2e 45 44 55 20 20 46 | 72 69 20 4a 75 6e 20 31 |T.EDU F|ri Jun 1|
|00000030| 32 20 31 37 3a 32 37 3a | 30 39 20 31 39 38 37 0a |2 17:27:|09 1987.|
|00000040| 52 65 63 65 69 76 65 64 | 3a 20 66 72 6f 6d 20 58 |Received|: from X|
|00000050| 58 2e 4c 43 53 2e 4d 49 | 54 2e 45 44 55 20 62 79 |X.LCS.MI|T.EDU by|
|00000060| 20 62 75 69 74 31 2e 62 | 75 2e 65 64 75 20 28 33 | buit1.b|u.edu (3|
|00000070| 2e 32 2f 34 2e 37 29 0a | 09 69 64 20 41 41 30 39 |.2/4.7).|.id AA09|
|00000080| 37 32 39 3b 20 46 72 69 | 2c 20 31 32 20 4a 75 6e |729; Fri|, 12 Jun|
|00000090| 20 38 37 20 31 37 3a 32 | 37 3a 30 39 20 45 44 54 | 87 17:2|7:09 EDT|
|000000a0| 0a 52 65 63 65 69 76 65 | 64 3a 20 66 72 6f 6d 20 |.Receive|d: from |
|000000b0| 43 53 4c 2e 53 52 49 2e | 43 4f 4d 20 62 79 20 58 |CSL.SRI.|COM by X|
|000000c0| 58 2e 4c 43 53 2e 4d 49 | 54 2e 45 44 55 20 77 69 |X.LCS.MI|T.EDU wi|
|000000d0| 74 68 20 54 43 50 2f 53 | 4d 54 50 3b 20 46 72 69 |th TCP/S|MTP; Fri|
|000000e0| 20 31 32 20 4a 75 6e 20 | 38 37 20 31 36 3a 34 30 | 12 Jun |87 16:40|
|000000f0| 3a 30 36 2d 45 44 54 0a | 44 61 74 65 3a 20 31 32 |:06-EDT.|Date: 12|
|00000100| 20 4a 75 6e 20 31 39 38 | 37 20 31 33 3a 34 30 2d | Jun 198|7 13:40-|
|00000110| 50 44 54 0a 53 65 6e 64 | 65 72 3a 20 47 45 4f 46 |PDT.Send|er: GEOF|
|00000120| 46 40 43 53 4c 2e 53 52 | 49 2e 43 4f 4d 0a 53 75 |F@CSL.SR|I.COM.Su|
|00000130| 62 6a 65 63 74 3a 20 41 | 72 74 69 63 6c 65 20 6f |bject: A|rticle o|
|00000140| 6e 20 43 65 6c 6c 75 6c | 61 72 20 28 69 6e 29 73 |n Cellul|ar (in)s|
|00000150| 65 63 75 72 69 74 79 2e | 0a 46 72 6f 6d 3a 20 74 |ecurity.|.From: t|
|00000160| 68 65 20 74 74 79 20 6f | 66 20 47 65 6f 66 66 72 |he tty o|f Geoffr|
|00000170| 65 79 20 53 2e 20 47 6f | 6f 64 66 65 6c 6c 6f 77 |ey S. Go|odfellow|
|00000180| 20 3c 47 65 6f 66 66 40 | 43 53 4c 2e 53 52 49 2e | <Geoff@|CSL.SRI.|
|00000190| 43 4f 4d 3e 0a 54 6f 3a | 20 54 65 6c 65 63 6f 6d |COM>.To:| Telecom|
|000001a0| 40 58 58 2e 4c 43 53 2e | 4d 49 54 2e 45 44 55 0a |@XX.LCS.|MIT.EDU.|
|000001b0| 4d 65 73 73 61 67 65 2d | 49 64 3a 20 3c 5b 43 53 |Message-|Id: <[CS|
|000001c0| 4c 2e 53 52 49 2e 43 4f | 4d 5d 31 32 2d 4a 75 6e |L.SRI.CO|M]12-Jun|
|000001d0| 2d 38 37 20 31 33 3a 34 | 30 3a 32 31 2e 47 45 4f |-87 13:4|0:21.GEO|
|000001e0| 46 46 3e 0a 53 74 61 74 | 75 73 3a 20 52 0a 0a 09 |FF>.Stat|us: R...|
|000001f0| 0a 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |.-------|--------|
|00000200| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000210| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000220| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000230| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 0a 54 68 65 20 |--------|---.The |
|00000240| 66 6f 6c 6c 6f 77 69 6e | 67 20 69 73 20 72 65 70 |followin|g is rep|
|00000250| 72 69 6e 74 65 64 20 66 | 72 6f 6d 20 74 68 65 20 |rinted f|rom the |
|00000260| 4e 6f 76 65 6d 62 65 72 | 20 31 39 38 35 20 69 73 |November| 1985 is|
|00000270| 73 75 65 20 6f 66 20 50 | 65 72 73 6f 6e 61 6c 0a |sue of P|ersonal.|
|00000280| 43 6f 6d 6d 75 6e 69 63 | 61 74 69 6f 6e 73 20 54 |Communic|ations T|
|00000290| 65 63 68 6e 6f 6c 6f 67 | 79 20 6d 61 67 61 7a 69 |echnolog|y magazi|
|000002a0| 6e 65 20 62 79 20 70 65 | 72 6d 69 73 69 6f 6e 20 |ne by pe|rmision |
|000002b0| 6f 66 20 74 68 65 20 61 | 75 74 68 6f 72 73 20 61 |of the a|uthors a|
|000002c0| 6e 64 0a 74 68 65 20 70 | 75 62 6c 69 73 68 65 72 |nd.the p|ublisher|
|000002d0| 2c 20 46 75 74 75 72 65 | 43 6f 6d 6d 20 50 75 62 |, Future|Comm Pub|
|000002e0| 6c 69 63 61 74 69 6f 6e | 73 20 49 6e 63 2e 2c 20 |lication|s Inc., |
|000002f0| 34 30 30 35 20 57 69 6c | 6c 69 61 6d 73 62 75 72 |4005 Wil|liamsbur|
|00000300| 67 20 43 74 2e 2c 0a 46 | 61 69 72 66 61 78 2c 20 |g Ct.,.F|airfax, |
|00000310| 56 41 20 20 32 32 30 33 | 32 2c 20 37 30 33 2f 33 |VA 2203|2, 703/3|
|00000320| 35 32 2d 31 32 30 30 2e | 0a 0a 43 6f 70 79 72 69 |52-1200.|..Copyri|
|00000330| 67 68 74 20 31 39 38 35 | 20 62 79 20 46 75 74 75 |ght 1985| by Futu|
|00000340| 72 65 43 6f 6d 6d 20 50 | 75 62 6c 69 63 61 74 69 |reComm P|ublicati|
|00000350| 6f 6e 73 20 49 6e 63 2e | 20 20 20 41 6c 6c 20 72 |ons Inc.| All r|
|00000360| 69 67 68 74 73 20 72 65 | 73 65 72 76 65 64 2e 0a |ights re|served..|
|00000370| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000380| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|00000390| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000003a0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 2d 2d 2d 2d 2d 2d |--------|--------|
|000003b0| 2d 2d 2d 2d 2d 2d 2d 2d | 2d 2d 0a 0a 0a 20 20 20 |--------|--... |
|000003c0| 20 20 20 20 20 20 20 54 | 48 45 20 45 4c 45 43 54 | T|HE ELECT|
|000003d0| 52 4f 4e 49 43 20 53 45 | 52 49 41 4c 20 4e 55 4d |RONIC SE|RIAL NUM|
|000003e0| 42 45 52 3a 20 41 20 43 | 45 4c 4c 55 4c 41 52 20 |BER: A C|ELLULAR |
|000003f0| 27 53 49 45 56 45 27 3f | 0a 20 20 20 20 20 20 20 |'SIEVE'?|. |
|00000400| 20 20 20 20 20 20 20 27 | 53 50 4f 4f 46 45 52 53 | '|SPOOFERS|
|00000410| 27 20 43 41 4e 20 44 45 | 46 52 41 55 44 20 55 53 |' CAN DE|FRAUD US|
|00000420| 45 52 53 20 41 4e 44 20 | 43 41 52 52 49 45 52 53 |ERS AND |CARRIERS|
|00000430| 0a 0a 20 20 20 62 79 20 | 47 65 6f 66 66 72 65 79 |.. by |Geoffrey|
|00000440| 20 53 2e 20 47 6f 6f 64 | 66 65 6c 6c 6f 77 2c 20 | S. Good|fellow, |
|00000450| 52 6f 62 65 72 74 20 4e | 2e 20 4a 65 73 73 65 2c |Robert N|. Jesse,|
|00000460| 20 61 6e 64 20 41 6e 64 | 72 65 77 20 48 2e 20 4c | and And|rew H. L|
|00000470| 61 6d 6f 74 68 65 2c 20 | 4a 72 2e 0a 0a 57 68 61 |amothe, |Jr...Wha|
|00000480| 74 27 73 20 74 68 65 20 | 67 72 65 61 74 65 73 74 |t's the |greatest|
|00000490| 20 73 65 63 75 72 69 74 | 79 20 70 72 6f 62 6c 65 | securit|y proble|
|000004a0| 6d 20 77 69 74 68 20 63 | 65 6c 6c 75 6c 61 72 20 |m with c|ellular |
|000004b0| 70 68 6f 6e 65 73 3f 20 | 49 73 20 69 74 20 70 72 |phones? |Is it pr|
|000004c0| 69 76 61 63 79 20 6f 66 | 0a 63 6f 6d 6d 75 6e 69 |ivacy of|.communi|
|000004d0| 63 61 74 69 6f 6e 73 3f | 20 20 4e 6f 2e 0a 0a 41 |cations?| No...A|
|000004e0| 6c 74 68 6f 75 67 68 20 | 70 72 69 76 61 63 79 20 |lthough |privacy |
|000004f0| 69 73 20 61 20 63 6f 6e | 63 65 72 6e 2c 20 69 74 |is a con|cern, it|
|00000500| 20 77 69 6c 6c 20 70 61 | 6c 65 20 62 65 73 69 64 | will pa|le besid|
|00000510| 65 20 61 6e 20 65 76 65 | 6e 20 67 72 65 61 74 65 |e an eve|n greate|
|00000520| 72 20 70 72 6f 62 6c 65 | 6d 3a 0a 73 70 6f 6f 66 |r proble|m:.spoof|
|00000530| 69 6e 67 2e 0a 0a 27 53 | 70 6f 6f 66 69 6e 67 27 |ing...'S|poofing'|
|00000540| 20 69 73 20 74 68 65 20 | 70 72 6f 63 65 73 73 20 | is the |process |
|00000550| 74 68 72 6f 75 67 68 20 | 77 68 69 63 68 20 61 6e |through |which an|
|00000560| 20 61 67 65 6e 74 20 28 | 74 68 65 20 27 73 70 6f | agent (|the 'spo|
|00000570| 6f 66 65 72 27 29 20 70 | 72 65 74 65 6e 64 73 20 |ofer') p|retends |
|00000580| 74 6f 0a 62 65 20 73 6f | 6d 65 62 6f 64 79 20 68 |to.be so|mebody h|
|00000590| 65 20 69 73 6e 27 74 20 | 62 79 20 70 72 6f 66 66 |e isn't |by proff|
|000005a0| 65 72 69 6e 67 20 66 61 | 6c 73 65 20 69 64 65 6e |ering fa|lse iden|
|000005b0| 74 69 66 69 63 61 74 69 | 6f 6e 2c 20 75 73 75 61 |tificati|on, usua|
|000005c0| 6c 6c 79 20 77 69 74 68 | 20 69 6e 74 65 6e 74 0a |lly with| intent.|
|000005d0| 74 6f 20 64 65 66 72 61 | 75 64 2e 20 20 54 68 69 |to defra|ud. Thi|
|000005e0| 73 20 64 65 63 65 70 74 | 69 6f 6e 2c 20 77 68 69 |s decept|ion, whi|
|000005f0| 63 68 20 63 61 6e 6e 6f | 74 20 62 65 20 70 72 6f |ch canno|t be pro|
|00000600| 74 65 63 74 65 64 20 61 | 67 61 69 6e 73 74 20 75 |tected a|gainst u|
|00000610| 73 69 6e 67 20 74 68 65 | 0a 63 75 72 72 65 6e 74 |sing the|.current|
|00000620| 20 55 2e 53 2e 20 63 65 | 6c 6c 75 6c 61 72 20 73 | U.S. ce|llular s|
|00000630| 74 61 6e 64 61 72 64 73 | 2c 20 68 61 73 20 74 68 |tandards|, has th|
|00000640| 65 20 70 6f 74 65 6e 74 | 69 61 6c 20 74 6f 20 63 |e potent|ial to c|
|00000650| 72 65 61 74 65 20 61 20 | 73 65 72 69 6f 75 73 0a |reate a |serious.|
|00000660| 70 72 6f 62 6c 65 6d 2d | 2d 75 6e 6c 65 73 73 20 |problem-|-unless |
|00000670| 74 68 65 20 69 6e 64 75 | 73 74 72 79 20 74 61 6b |the indu|stry tak|
|00000680| 65 73 20 73 74 65 70 73 | 20 74 6f 20 63 6f 72 72 |es steps| to corr|
|00000690| 65 63 74 20 73 6f 6d 65 | 20 6c 6f 6f 70 68 6f 6c |ect some| loophol|
|000006a0| 65 73 20 69 6e 20 74 68 | 65 0a 70 72 65 73 65 6e |es in th|e.presen|
|000006b0| 74 20 63 65 6c 6c 75 6c | 61 72 20 73 74 61 6e 64 |t cellul|ar stand|
|000006c0| 61 72 64 73 2e 0a 0a 43 | 6f 6d 70 61 72 65 64 20 |ards...C|ompared |
|000006d0| 74 6f 20 73 70 6f 6f 66 | 69 6e 67 2c 20 74 68 65 |to spoof|ing, the|
|000006e0| 20 63 6f 6d 6d 6f 6e 20 | 73 65 63 75 72 69 74 79 | common |security|
|000006f0| 20 63 6f 6e 63 65 72 6e | 20 6f 66 20 70 72 69 76 | concern| of priv|
|00000700| 61 63 79 20 69 73 20 6e | 6f 74 20 73 6f 20 73 65 |acy is n|ot so se|
|00000710| 76 65 72 65 2e 0a 4d 6f | 73 74 20 63 65 6c 6c 75 |vere..Mo|st cellu|
|00000720| 6c 61 72 20 73 75 62 73 | 63 72 69 62 65 72 73 20 |lar subs|cribers |
|00000730| 77 6f 75 6c 64 2c 20 61 | 74 20 77 6f 72 73 74 2c |would, a|t worst,|
|00000740| 20 62 65 20 69 72 6b 65 | 64 20 62 79 20 68 61 76 | be irke|d by hav|
|00000750| 69 6e 67 20 74 68 65 69 | 72 0a 63 6f 6e 76 65 72 |ing thei|r.conver|
|00000760| 73 61 74 69 6f 6e 61 6c | 20 70 72 69 76 61 63 79 |sational| privacy|
|00000770| 20 76 69 6f 6c 61 74 65 | 64 2e 20 20 41 20 73 6d | violate|d. A sm|
|00000780| 61 6c 6c 65 72 20 6e 75 | 6d 62 65 72 20 6f 66 20 |aller nu|mber of |
|00000790| 75 73 65 72 73 20 6d 69 | 67 68 74 20 61 63 74 75 |users mi|ght actu|
|000007a0| 61 6c 6c 79 0a 73 75 66 | 66 65 72 20 62 75 73 69 |ally.suf|fer busi|
|000007b0| 6e 65 73 73 20 6f 72 20 | 70 65 72 73 6f 6e 61 6c |ness or |personal|
|000007c0| 20 68 61 72 6d 20 69 66 | 20 74 68 65 69 72 20 63 | harm if| their c|
|000007d0| 6f 6e 66 69 64 65 6e 74 | 69 61 6c 20 65 78 63 68 |onfident|ial exch|
|000007e0| 61 6e 67 65 73 20 77 65 | 72 65 0a 63 6f 6d 70 72 |anges we|re.compr|
|000007f0| 6f 6d 69 73 65 64 2e 20 | 20 46 6f 72 20 74 68 65 |omised. | For the|
|00000800| 6d 2c 20 76 6f 69 63 65 | 20 65 6e 63 72 79 70 74 |m, voice| encrypt|
|00000810| 69 6f 6e 20 65 71 75 69 | 70 6d 65 6e 74 20 69 73 |ion equi|pment is|
|00000820| 20 62 65 63 6f 6d 69 6e | 67 20 69 6e 63 72 65 61 | becomin|g increa|
|00000830| 73 69 6e 67 6c 79 0a 61 | 76 61 69 6c 61 62 6c 65 |singly.a|vailable|
|00000840| 20 69 66 20 74 68 65 79 | 20 61 72 65 20 77 69 6c | if they| are wil|
|00000850| 6c 69 6e 67 20 74 6f 20 | 70 61 79 20 74 68 65 20 |ling to |pay the |
|00000860| 70 72 69 63 65 20 66 6f | 72 20 69 74 2e 0a 0a 54 |price fo|r it...T|
|00000870| 68 75 73 2c 20 65 76 65 | 6e 20 74 68 6f 75 67 68 |hus, eve|n though|
|00000880| 20 74 65 63 68 6e 6f 6c | 6f 67 79 20 69 73 20 61 | technol|ogy is a|
|00000890| 76 61 69 6c 61 62 6c 65 | 20 6e 6f 77 20 74 6f 20 |vailable| now to |
|000008a0| 70 72 65 76 65 6e 74 20 | 61 6e 20 69 6e 74 65 72 |prevent |an inter|
|000008b0| 6c 6f 70 65 72 20 66 72 | 6f 6d 0a 6f 76 65 72 68 |loper fr|om.overh|
|000008c0| 65 61 72 69 6e 67 20 73 | 65 6e 73 69 74 69 76 65 |earing s|ensitive|
|000008d0| 20 63 6f 6e 76 65 72 73 | 61 74 69 6f 6e 73 2c 20 | convers|ations, |
|000008e0| 63 65 6c 6c 75 6c 61 72 | 20 73 79 73 74 65 6d 73 |cellular| systems|
|000008f0| 20 63 61 6e 6e 6f 74 2d | 2d 61 74 20 61 6e 79 0a | cannot-|-at any.|
|00000900| 63 6f 73 74 2d 2d 70 72 | 65 76 65 6e 74 20 70 69 |cost--pr|event pi|
|00000910| 72 61 74 65 73 20 66 72 | 6f 6d 20 63 68 61 72 67 |rates fr|om charg|
|00000920| 69 6e 67 20 63 61 6c 6c | 73 20 74 6f 20 61 6e 79 |ing call|s to any|
|00000930| 20 61 63 63 6f 75 6e 74 | 2e 20 54 68 69 73 20 70 | account|. This p|
|00000940| 72 65 64 69 63 61 6d 65 | 6e 74 20 69 73 0a 6e 6f |redicame|nt is.no|
|00000950| 74 20 6e 65 77 20 74 6f | 20 74 68 65 20 69 6e 64 |t new to| the ind|
|00000960| 75 73 74 72 79 2e 20 20 | 45 76 65 6e 20 74 68 6f |ustry. |Even tho|
|00000970| 75 67 68 20 63 65 6c 6c | 75 6c 61 72 20 70 72 6f |ugh cell|ular pro|
|00000980| 76 69 64 65 73 20 61 20 | 6d 6f 64 65 72 6e 2c 0a |vides a |modern,.|
|00000990| 73 6f 70 68 69 73 74 69 | 63 61 74 65 64 20 71 75 |sophisti|cated qu|
|000009a0| 61 6c 69 74 79 20 6d 6f | 62 69 6c 65 20 63 6f 6d |ality mo|bile com|
|000009b0| 6d 75 6e 69 63 61 74 69 | 6f 6e 73 20 73 65 72 76 |municati|ons serv|
|000009c0| 69 63 65 2c 20 69 74 20 | 69 73 20 6e 6f 74 20 66 |ice, it |is not f|
|000009d0| 75 6e 64 61 6d 65 6e 74 | 61 6c 6c 79 0a 6d 75 63 |undament|ally.muc|
|000009e0| 68 20 73 61 66 65 72 20 | 74 68 61 6e 20 6f 6c 64 |h safer |than old|
|000009f0| 65 72 20 66 6f 72 6d 73 | 20 6f 66 20 6d 6f 62 69 |er forms| of mobi|
|00000a00| 6c 65 20 74 65 6c 65 70 | 68 6f 6e 79 2e 0a 0a 48 |le telep|hony...H|
|00000a10| 69 73 74 6f 72 79 20 6f | 66 20 53 70 6f 6f 66 69 |istory o|f Spoofi|
|00000a20| 6e 67 20 56 75 6c 6e 65 | 72 61 62 69 6c 69 74 79 |ng Vulne|rability|
|00000a30| 0a 0a 54 68 65 20 65 61 | 72 6c 69 65 73 74 20 66 |..The ea|rliest f|
|00000a40| 6f 72 6d 20 6f 66 20 6d | 6f 62 69 6c 65 20 74 65 |orm of m|obile te|
|00000a50| 6c 65 70 68 6f 6e 79 2c | 20 75 6e 73 71 75 65 6c |lephony,| unsquel|
|00000a60| 63 68 65 64 20 6d 61 6e | 75 61 6c 20 4d 6f 62 69 |ched man|ual Mobi|
|00000a70| 6c 65 20 54 65 6c 65 70 | 68 6f 6e 65 0a 53 65 72 |le Telep|hone.Ser|
|00000a80| 76 69 63 65 20 28 4d 54 | 53 29 2c 20 77 61 73 20 |vice (MT|S), was |
|00000a90| 76 75 6c 6e 65 72 61 62 | 6c 65 20 74 6f 20 69 6e |vulnerab|le to in|
|00000aa0| 74 65 72 63 65 70 74 69 | 6f 6e 20 61 6e 64 20 65 |tercepti|on and e|
|00000ab0| 61 76 65 73 64 72 6f 70 | 70 69 6e 67 2e 20 20 54 |avesdrop|ping. T|
|00000ac0| 6f 20 70 6c 61 63 65 20 | 61 0a 63 61 6c 6c 2c 20 |o place |a.call, |
|00000ad0| 74 68 65 20 75 73 65 72 | 20 6c 69 73 74 65 6e 65 |the user| listene|
|00000ae0| 64 20 66 6f 72 20 61 20 | 66 72 65 65 20 63 68 61 |d for a |free cha|
|00000af0| 6e 6e 65 6c 2e 20 20 57 | 68 65 6e 20 68 65 20 66 |nnel. W|hen he f|
|00000b00| 6f 75 6e 64 20 6f 6e 65 | 2c 20 68 65 20 77 6f 75 |ound one|, he wou|
|00000b10| 6c 64 20 6b 65 79 0a 68 | 69 73 20 6d 69 63 72 6f |ld key.h|is micro|
|00000b20| 70 68 6f 6e 65 20 74 6f | 20 61 73 6b 20 66 6f 72 |phone to| ask for|
|00000b30| 20 73 65 72 76 69 63 65 | 3a 20 27 4f 70 65 72 61 | service|: 'Opera|
|00000b40| 74 6f 72 2c 20 74 68 69 | 73 20 69 73 20 4d 6f 62 |tor, thi|s is Mob|
|00000b50| 69 6c 65 20 31 32 33 34 | 3b 20 6d 61 79 20 49 20 |ile 1234|; may I |
|00000b60| 70 6c 65 61 73 65 0a 68 | 61 76 65 20 35 35 35 2d |please.h|ave 555-|
|00000b70| 37 38 39 30 2e 27 20 20 | 54 68 65 20 6f 70 65 72 |7890.' |The oper|
|00000b80| 61 74 6f 72 20 6b 6e 65 | 77 20 74 6f 20 73 75 62 |ator kne|w to sub|
|00000b90| 6d 69 74 20 61 20 62 69 | 6c 6c 69 6e 67 20 74 69 |mit a bi|lling ti|
|00000ba0| 63 6b 65 74 20 66 6f 72 | 20 61 63 63 6f 75 6e 74 |cket for| account|
|00000bb0| 0a 6e 75 6d 62 65 72 20 | 31 32 33 34 20 74 6f 20 |.number |1234 to |
|00000bc0| 70 61 79 20 66 6f 72 20 | 74 68 65 20 63 61 6c 6c |pay for |the call|
|00000bd0| 2e 20 20 53 6f 20 64 69 | 64 20 61 6e 79 62 6f 64 |. So di|d anybod|
|00000be0| 79 20 65 6c 73 65 20 6c | 69 73 74 65 6e 69 6e 67 |y else l|istening|
|00000bf0| 20 74 6f 20 74 68 65 0a | 63 68 61 6e 6e 65 6c 2d | to the.|channel-|
|00000c00| 2d 68 65 6e 63 65 20 74 | 68 65 20 70 6f 74 65 6e |-hence t|he poten|
|00000c10| 74 69 61 6c 20 66 6f 72 | 20 73 70 6f 6f 66 69 6e |tial for| spoofin|
|00000c20| 67 20 61 6e 64 20 66 72 | 61 75 64 2e 0a 0a 53 71 |g and fr|aud...Sq|
|00000c30| 75 65 6c 63 68 65 64 20 | 63 68 61 6e 6e 65 6c 20 |uelched |channel |
|00000c40| 4d 54 53 20 68 69 64 20 | 74 68 65 20 70 72 6f 62 |MTS hid |the prob|
|00000c50| 6c 65 6d 20 6f 6e 6c 79 | 20 73 6c 69 67 68 74 6c |lem only| slightl|
|00000c60| 79 20 62 65 63 61 75 73 | 65 20 75 73 65 72 73 20 |y becaus|e users |
|00000c70| 6f 72 64 69 6e 61 72 69 | 6c 79 0a 64 69 64 6e 27 |ordinari|ly.didn'|
|00000c80| 74 20 6f 76 65 72 68 65 | 61 72 20 63 68 61 6e 6e |t overhe|ar chann|
|00000c90| 65 6c 73 20 62 65 69 6e | 67 20 75 73 65 64 20 62 |els bein|g used b|
|00000ca0| 79 20 6f 74 68 65 72 20 | 70 61 72 74 69 65 73 2e |y other |parties.|
|00000cb0| 20 20 46 72 61 75 64 20 | 77 61 73 20 73 74 69 6c | Fraud |was stil|
|00000cc0| 6c 20 65 61 73 79 0a 66 | 6f 72 20 74 68 6f 73 65 |l easy.f|or those|
|00000cd0| 20 77 68 6f 20 74 75 72 | 6e 65 64 20 6f 66 66 20 | who tur|ned off |
|00000ce0| 74 68 65 20 73 71 75 65 | 6c 63 68 20 6c 6f 6e 67 |the sque|lch long|
|00000cf0| 20 65 6e 6f 75 67 68 20 | 74 6f 20 6f 76 65 72 68 | enough |to overh|
|00000d00| 65 61 72 20 61 63 63 6f | 75 6e 74 20 6e 75 6d 62 |ear acco|unt numb|
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|000037f0| 73 73 65 20 28 32 32 32 | 31 20 53 61 69 6e 74 20 |sse (222|1 Saint |
|00003800| 50 61 75 6c 20 53 74 2e | 2c 20 42 61 6c 74 69 6d |Paul St.|, Baltim|
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|00003930| 20 54 68 65 20 4a 6f 68 | 6e 73 20 48 6f 70 6b 69 | The Joh|ns Hopki|
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|00003980| 0a 41 6e 64 72 65 77 20 | 48 2e 20 4c 61 6d 6f 74 |.Andrew |H. Lamot|
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|000039e0| 2c 20 38 36 31 39 20 57 | 65 73 74 77 6f 6f 64 20 |, 8619 W|estwood |
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|00003a10| 33 2f 38 39 33 2d 32 36 | 38 30 2e 0a 48 65 20 68 |3/893-26|80..He h|
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|00003a60| 64 65 76 65 6c 6f 70 6d | 65 6e 74 2e 20 20 48 65 |developm|ent. He|
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|00003a80| 6c 61 20 66 6f 72 20 31 | 30 20 79 65 61 72 73 20 |la for 1|0 years |
|00003a90| 70 72 69 6f 72 20 74 6f | 20 6a 6f 69 6e 69 6e 67 |prior to| joining|
|00003aa0| 20 41 6d 65 72 69 63 61 | 6e 0a 54 65 6c 65 53 65 | America|n.TeleSe|
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|00003b10| 65 64 20 62 79 20 43 65 | 6c 6c 75 6c 61 72 20 4f |ed by Ce|llular O|
|00003b20| 6e 65 2e 0a 0a | |ne... | |
+--------+-------------------------+-------------------------+--------+--------+