CN102065405A - Identification method and device for clone of subscriber identity module (SIM) card information of mobile subscriber - Google Patents
Identification method and device for clone of subscriber identity module (SIM) card information of mobile subscriber Download PDFInfo
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- CN102065405A CN102065405A CN2010105311526A CN201010531152A CN102065405A CN 102065405 A CN102065405 A CN 102065405A CN 2010105311526 A CN2010105311526 A CN 2010105311526A CN 201010531152 A CN201010531152 A CN 201010531152A CN 102065405 A CN102065405 A CN 102065405A
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Abstract
The embodiment of the invention provides an identification method and device for clone of subscriber identity module (SIM) card information of a mobile subscriber. The method comprises the following steps: when predetermined trigger events occur twice sequentially, triggering to transmit the positions of network devices in the same type registered currently by the mobile subscriber with the same SIM card information identification; acquiring the time when the trigger events occur twice sequentially and the transmitted positions of the network devices in the same type registered currently by the mobile subscriber with the same SIM card information identification; calculating the quotient by dividing the distance between the positions of the network devices in the same type registered currently by the mobile subscriber with the same SIM card information identification when the trigger events occur twice sequentially by the difference of time of the trigger events which occur twice sequentially; and when the obtained quotient is greater than a preset threshold, determining that the SIM card information of the mobile subscriber is cloned.
Description
Technical field
The invention belongs to the mobile communication technology field, relate in particular to the recognition methods and the device of a kind of mobile subscriber's of clone SIM card information.
Background technology
SIM card is the identify label of mobile subscriber in the mobile network, and the identify label of each mobile subscriber in the mobile network should be unique.The mobile subscriber freely selects mobile operator or telephone number according to needs separately for convenience in practice, and SIM card is usually separated with portable terminal.
Because SIM card is separated with portable terminal, this provides with regard to the clone who gives SIM card may, after clone SIM card is inserted into portable terminal, a plurality of users of identical identify label will appear among the mobile network having, because the mobile network only utilizes SIM card that the mobile subscriber is identified, therefore also just can't discern the existence of clone SIM card.
There is a kind of method that clone SIM exists of discerning in the prior art, this method is judged the existence of clone SIM card according to mobile subscriber's location update frequencies, this method has been utilized when clone SIM card exists, and the mobile subscriber's who discerns among the mobile network location update frequencies will be very fast.But in fact, location update frequencies is too high to be not the adequate condition that clone SIM card exists, the mobile subscriber's of the SIM card that a lot of uses are not cloned travel frequency itself is also very high, for example taxi driver, bus driver etc., this class people is because need of work, its location update frequencies is also very high, and therefore the accuracy that whether exists by location update frequencies judgement clone SIM card phenomenon is not high.
Summary of the invention
In view of this, the object of the present invention is to provide the recognition methods and the device of a kind of mobile subscriber's of clone SIM card information, it can improve the accuracy of identify label clone phenomenon identification.
For achieving the above object, the invention provides the recognition methods of a kind of mobile subscriber's of clone SIM card information, comprising:
When the twice predetermined trigger incident in front and back takes place, the network equipment position of triggering the same type of the current registration of mobile subscriber that sends identical SIM card message identification;
The position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification that obtains time that twice trigger event in described front and back takes place respectively and when twice trigger event in described front and back takes place, send respectively;
When twice trigger event in described front and back calculate to take place, the position distance of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card message identification and the merchant of the time difference of twice trigger event in described front and back is taken place;
As the merchant of gained during, judge that this mobile subscriber's SIM card information is cloned greater than preset threshold value.
Preferably, described trigger event is the incident of calling party location register (VLR) position of the current registration of mobile subscriber of the identical SIM card message identification of triggering transmission;
The position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification of described transmission is: the VLR position of the current registration of mobile subscriber of identical SIM card message identification.
Preferably, the described triggering incident of VLR position that sends the current registration of mobile subscriber of identical SIM card message identification comprises: the mobile subscriber of described identical SIM card message identification initiates the position and upgrades in the mobile network;
The VLR position of the current registration of mobile subscriber of described identical SIM card message identification is: the VLR position of the described mobile subscriber's registration in back is upgraded in the position.
Preferably, the described triggering incident of VLR position that sends the current registration of mobile subscriber of identical SIM card message identification comprises: the mobile subscriber of described identical SIM card message identification initiates authentication process in the mobile network;
The VLR position of the current registration of mobile subscriber of described identical SIM card message identification is: the VLR position of the current registration of described mobile subscriber when initiating authentication process.
Preferably, the VLR position of the current registration of mobile subscriber of the described identical SIM card message identification that obtains transmission is by intercepting on the interface of probe in HLR and VLR.
Preferably, the VLR position of the current registration of mobile subscriber of the described identical SIM card message identification that obtains transmission is to intercept on the interface of HLR and MSC by probe.
Preferably, described mobile subscriber's identify label is the telephone number in mobile subscriber's the Personal Handyphone System.
Preferably, described trigger event is the incident of the RT position of the current registration of mobile subscriber of the identical phs telephone number of triggering transmission;
The position of the network equipment of the same type of the current registration of mobile subscriber of the common identity sign of described transmission is: the TR position of the current registration of mobile subscriber of identical phs telephone number.
Preferably, the described triggering incident of RT position that sends the current registration of mobile subscriber of identical phs telephone number comprises: the mobile subscriber of described identical phs telephone number initiates roam procedure in the mobile network.
Preferably, described preset threshold value is higher than the maximum speed per hour of the present vehicles.
On the other hand, the present invention also provides the recognition device of a kind of mobile subscriber's of clone SIM card message identification, comprising:
Acquiring unit, the position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification that is used to obtain the time of twice trigger event before and after taking place respectively and when twice trigger event in described front and back takes place, sends respectively, wherein, described trigger event is used to trigger the network equipment of the same type of the current registration of mobile subscriber that sends identical SIM card message identification;
Computing unit is when being used to calculate twice trigger event before and after taking place, the merchant of the position distance of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card message identification and the time difference that described twice trigger event takes place;
Identifying unit when finding that merchant that described computing unit calculates is greater than preset threshold value, judges that this mobile subscriber's identify label is cloned.
The method and apparatus that the embodiment of the invention provides is when the existing of identification clone SIM card information, whether exceed zone of reasonableness by the merchant who judges reflection mobile subscriber translational speed, judge whether SIM card information is cloned, because it is the adequate condition that clone's phenomenon exists that mobile subscriber's translational speed goes beyond the scope, so the present invention is more accurate to the decision structure of clone's phenomenon.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the schematic diagram of recognition methods of clone provided by the invention mobile subscriber's SIM card information;
Fig. 2 is the schematic diagram of an embodiment of recognition methods of clone provided by the invention mobile subscriber's SIM card information;
Fig. 3 is the schematic diagram of recognition device of clone provided by the invention mobile subscriber's SIM card information.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer, below in conjunction with the accompanying drawing in the embodiment of the invention, technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
In various embodiments of the present invention, the mobile subscriber by its identify label in the mobile network by unique identification.In practice, above-mentioned identify label can be mounted in the information of the SIM card in the mobile phone, for example the IMSI of SIM card (International Mobile Subscriber Identity, international mobile subscriber identity) also can be the telephone number of other portable terminals such as Personal Handyphone System.
The inventor finds when realization is of the present invention: if mobile subscriber's SIM card information is not cloned, then this mobile subscriber's translational speed should be in certain zone of reasonableness, but, if mobile subscriber's SIM card information is cloned, because system can't discern the different user with SIM card information, therefore just may diverse location calculating when system is according to SIM card information calculations user's translational speed with two different users, the translational speed that just may calculate this moment exceeds the situation of zone of reasonableness, is cloned with this SIM card information of judging this mobile subscriber.
Based on above-mentioned consideration, the invention provides the recognition methods of a kind of mobile subscriber's of clone SIM card information, as shown in Figure 1, comprise the steps:
Step S101: when the twice predetermined trigger incident in front and back takes place, trigger the network equipment sign of the same type of the current registration of mobile subscriber that sends identical SIM card information;
When trigger event takes place when, some equipment in the network will send the sign of the network equipment of the current registration of mobile subscriber, for example, when cellphone subscriber's occurrence positions update event, MSC (Mobile SwitchingCenter, mobile switching centre) with between VLR (Visitor Location Register, calling party location register) and the HLR (Home Location Register, attaching position register) will comprise the sign of the new HLR that the cellphone subscriber registers in the interactive signaling.
Step S102: obtain time that twice trigger event in described front and back takes place respectively and the position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card information that when twice trigger event in described front and back takes place, sends respectively;
The position of the network equipment of the same type of the current registration of mobile subscriber during twice trigger event before and after the generation of obtaining has been reflected mobile subscriber position at place during twice trigger event before and after taking place indirectly.
Step S103: calculate when twice trigger event in above-mentioned front and back takes place the merchant of the time difference of twice trigger event of the position of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card information distance and the above-mentioned front and back of generation;
The time difference that twice trigger event in above-mentioned front and back takes place can be regarded the traveling time that indirect reflection has mobile subscriber's twice trigger event incident before and after taking place of identical SIM card information as; And in the twice trigger event process in above-mentioned front and back takes place, distance between the network equipment position of the same type of the current registration of mobile subscriber can regard as indirect reflected the mobile subscriber current before and after taking place the displacement of twice trigger event, so the merchant who calculates among the step S103 can regard the mobile subscriber's with identical SIM card information that system-computed goes out translational speed as.
Step S104:, judge that this mobile subscriber's SIM card information is cloned as the merchant who calculates gained among the step S103 during greater than preset threshold value.
Because the merchant who calculates among the step S103 can regard the indirect translational speed that has reflected the mobile subscriber with identical SIM card information as, therefore merchant and preset threshold value of calculating among the step S103 compared, all think to produce by same mobile subscriber greater than the speed of this threshold value, can only be to produce, judge that thus this mobile subscriber's SIM card information is cloned by different mobile subscribers with identical SIM card information.Choosing of above-mentioned threshold value can be with reference to the maximum speed per hour of the present vehicles.
Because it is the adequate condition that has the clone SIM card information phenomenon that mobile subscriber's translational speed surpasses threshold value, therefore in method provided by the invention, the merchant of distance and the difference of twice trigger event time of origin who has the network equipment of the same type that the mobile subscriber of identical SIM card information registers by calculating in the twice trigger event process in front and back, obtained translational speed indirectly, and above-mentioned merchant who obtains and predetermined threshold value compared, and learn indirectly that with this whether translational speed surpasses zone of reasonableness, judge thus whether mobile subscriber's SIM card information is cloned, this decision condition is the adequate condition that has the clone SIM card information phenomenon, so the recognition result of the recognition methods of the SIM card information of the clone mobile subscriber among the present invention is more accurate.
In practice, the network equipment of the same type of the current registration of mobile subscriber that is utilized in the above-mentioned steps can have a variety of, below describes the present invention in detail with a concrete example.
Embodiment one
Fig. 2 shows the schematic diagram of an embodiment of the recognition methods of clone SIM card information provided by the invention.The information of the SIM card of installing on the mobile phone with this mobile subscriber in the mobile network is as mobile subscriber's identify label.In the mobile network at mobile phone place, when the sub-district at mobile subscriber place not simultaneously, the VLR of its registration is also different, when the mobile subscriber crosses over the sub-district, mobile subscriber's mobile phone will be initiated position updating process, network side is after the position updating request that the mobile phone that receives the mobile subscriber sends, the mobile subscriber is registered on the pairing VLR in new position, HLR will carry out information interaction with the VLR of mobile subscriber's new registration simultaneously, obtain mobile subscriber's new positional information, in this process, will comprise the new VLR position of the current registration of mobile subscriber between MSC and HLR and the VLR in the interactive signaling.In addition, when business such as the mobile subscriber makes a call, will carry out authentication process with network side, in authentication process, network side also will be known the VLR of the current registration of this mobile subscriber.
In the present embodiment, trigger event is the incident of the VLR position of the current registration of mobile subscriber of the identical SIM card message identification of triggering transmission.Because when the mobile subscriber initiates position renewal or authentication process, to know the VLR position of the current registration of mobile subscriber in the network side, when for example upgrading for the initiation position, network side will be known the VLR position of mobile subscriber's updated space postpone registration, during for the initiation authentication process, network side will be known the VLR position of registering when the mobile subscriber initiates authentication process.
Below describe the concrete steps of recognition methods of the SIM card information of the clone mobile subscriber in the present embodiment in detail:
Step S201: when initiating position renewal or authentication process for twice, trigger the VLR position that sends by the current registration of mobile subscriber of identical SIM card message identification by the mobile subscriber front and back of identical SIM card message identification;
The process of twice initiation in described front and back can be:
What twice mobile subscriber in front and back initiated all is position updating process;
Twice mobile subscriber's initiation all is authentication process perhaps;
Perhaps in twice what once initiate is position updating process, and another time initiation is authentication process.
Initiate the position updating process situation for the mobile subscriber, the VLR of the current registration of mobile subscriber's this moment is the VLR of the mobile subscriber's registration after the position is upgraded.
Step S202: when front and back were initiated position renewal or authentication process for twice among the obtaining step S201, the VLR position of the current registration of mobile subscriber that identical SIM card information is identified and the front and back among the step S201 were initiated the time of position renewal or authentication process for twice.
Step S203: when the calculating front and back are initiated position renewal or authentication process for twice, the merchant of the time difference of twice position renewal in the position distance of the VLR of the current registration of mobile subscriber of identical SIM card message identification and the above-mentioned front and back of initiation or authentication process.
The mobile subscriber who supposes certain SIM card message identification initiates for the first time that the position is upgraded or the time of authentication process is t1, and this moment, the position of the VLR that this mobile subscriber registered was s1; The time that the mobile subscriber of this SIM card message identification initiates position renewal or authentication process for the second time is t2, and this moment, the position of the VLR that this mobile subscriber registered was s2, and then utilization (s2-s1)/(t2-t1) can calculate the merchant among the step S203.
The merchant of above-mentioned gained has been reflected the translational speed by the mobile subscriber of this SIM card message identification indirectly.
Step S204: whether the merchant who obtains among the comparison step S203 is greater than preset threshold value, if judge that then this mobile subscriber's SIM card information is cloned.
After system discovery SIM card information was cloned, the SIM card that can notify the mobile subscriber to rely on the personal identification voucher to go to the Virtual network operator place to be cloned was suspended operation, and laid equal stress on and newly handled new SIM card.
Above-mentioned preset threshold value should be higher than the maximum speed per hour of the present vehicles.
In addition, the VLR position that obtains the current registration of mobile subscriber among the step S202 can intercept signaling by probe and obtain on the interface between HLR and the MSC, also can intercept signaling on the interface between HLR and the VLR and obtain.
Need to prove, be that the mobile subscriber initiates position renewal or authentication process especially with the trigger event in the present embodiment, and the network equipment of the current registration of mobile subscriber that is utilized is example for VLR, those skilled in the art should understand that, every network equipment of this mobile subscriber's registration of mobile subscriber's current location that can reflect can be applied in the present embodiment, and trigger event is not confined to renewal of above-mentioned position or authentication process yet, every trigger event that can allow network side find mobile subscriber's network equipment current registration and that reflect customer position information can be used in the present embodiment.
The also corresponding recognition device that a kind of mobile subscriber's of clone SIM card information is provided of the present invention, as shown in Figure 3, this device comprises acquiring unit 301, computing unit 302 and identifying unit 303.
This acquiring unit 401 be used to obtain respectively take place before and after the position of the network equipment of same type of the current registration of mobile subscriber of time of twice trigger event and the identical SIM card message identification that when twice trigger event in above-mentioned front and back takes place, sends respectively, wherein, described trigger event is used to trigger the network equipment of the same type of the current registration of mobile subscriber that sends identical SIM card message identification.
Computing unit 402 be used to calculate take place before and after during twice trigger event, the merchant of the position distance of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card message identification and the time difference that above-mentioned twice trigger event takes place;
Identifying unit 403 is used for judging that this mobile subscriber's SIM card information is cloned when finding that merchant that computing unit 402 calculates is greater than preset threshold value.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. a recognition methods of cloning mobile subscriber's SIM card information is characterized in that, comprising:
When the twice predetermined trigger incident in front and back takes place, the network equipment position of triggering the same type of the current registration of mobile subscriber that sends identical SIM card message identification;
The position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification that obtains time that twice trigger event in described front and back takes place respectively and when twice trigger event in described front and back takes place, send respectively;
When twice trigger event in described front and back calculate to take place, the position distance of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card message identification and the merchant of the time difference of twice trigger event in described front and back is taken place;
As the merchant of gained during, judge that this mobile subscriber's SIM card information is cloned greater than preset threshold value.
2. method according to claim 1 is characterized in that, described trigger event is the incident of calling party location register (VLR) position of the current registration of mobile subscriber of the identical SIM card message identification of triggering transmission;
The position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification of described transmission is: the VLR position of the current registration of mobile subscriber of identical SIM card message identification.
3. method according to claim 2, it is characterized in that the incident of VLR position that described triggering sends the current registration of mobile subscriber of identical SIM card message identification comprises: the mobile subscriber of described identical SIM card message identification initiates the position and upgrades in the mobile network;
The VLR position of the current registration of mobile subscriber of described identical SIM card message identification is: the VLR position of the described mobile subscriber's registration in back is upgraded in the position.
4. method according to claim 3, it is characterized in that the incident of VLR position that described triggering sends the current registration of mobile subscriber of identical SIM card message identification comprises: the mobile subscriber of described identical SIM card message identification initiates authentication process in the mobile network;
The VLR position of the current registration of mobile subscriber of described identical SIM card message identification is: the VLR position of the current registration of described mobile subscriber when initiating authentication process.
5. according to any described method in the claim 2 to 4, it is characterized in that the VLR position of the current registration of mobile subscriber of the described identical SIM card message identification that obtains transmission is by intercepting on the interface of probe in attaching position register (HLR) and VLR.
6. according to any described method in the claim 2 to 4, it is characterized in that the VLR position of the current registration of mobile subscriber of the described identical SIM card message identification that obtains transmission is to intercept on the interface of HLR and mobile switching centre (MSC) by probe.
7. according to any described method in the claim 1 to 6, it is characterized in that described preset threshold value is higher than the maximum speed per hour of the present vehicles.
8. a recognition device of cloning mobile subscriber's SIM card information is characterized in that, comprising:
Acquiring unit, the position of the network equipment of the same type of the current registration of mobile subscriber of the identical SIM card message identification that is used to obtain the time of twice trigger event before and after taking place respectively and when twice trigger event in described front and back takes place, sends respectively, wherein, described trigger event is used to trigger the network equipment of the same type of the current registration of mobile subscriber that sends identical SIM card message identification;
Computing unit is when being used to calculate twice trigger event before and after taking place, the merchant of the position distance of the network equipment of the same type of the current registration of mobile subscriber of identical SIM card message identification and the time difference that described twice trigger event takes place;
Identifying unit when finding that merchant that described computing unit calculates is greater than preset threshold value, judges that this mobile subscriber's SIM card information is cloned.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105311526A CN102065405A (en) | 2010-11-03 | 2010-11-03 | Identification method and device for clone of subscriber identity module (SIM) card information of mobile subscriber |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010105311526A CN102065405A (en) | 2010-11-03 | 2010-11-03 | Identification method and device for clone of subscriber identity module (SIM) card information of mobile subscriber |
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| CN102065405A true CN102065405A (en) | 2011-05-18 |
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| CN2010105311526A Pending CN102065405A (en) | 2010-11-03 | 2010-11-03 | Identification method and device for clone of subscriber identity module (SIM) card information of mobile subscriber |
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| CN103220654A (en) * | 2012-01-18 | 2013-07-24 | 中国移动通信集团江苏有限公司 | Method and device enabling runaway user to be halted |
| CN106060825A (en) * | 2016-05-30 | 2016-10-26 | 宇龙计算机通信科技(深圳)有限公司 | Client identification card duplication prompting method and server |
| CN107046684A (en) * | 2016-02-05 | 2017-08-15 | 青岛海信移动通信技术股份有限公司 | One kind blocks lower Mobile phone card matching process, mobile terminal and server more No. one |
| US11483709B2 (en) | 2019-03-14 | 2022-10-25 | At&T Intellectual Property I, L.P. | Authentication technique to counter subscriber identity module swapping fraud attack |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103220654A (en) * | 2012-01-18 | 2013-07-24 | 中国移动通信集团江苏有限公司 | Method and device enabling runaway user to be halted |
| CN107046684A (en) * | 2016-02-05 | 2017-08-15 | 青岛海信移动通信技术股份有限公司 | One kind blocks lower Mobile phone card matching process, mobile terminal and server more No. one |
| CN107046684B (en) * | 2016-02-05 | 2021-02-05 | 青岛海信移动通信技术股份有限公司 | Mobile phone card matching method under one number and multiple cards, mobile terminal and server |
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| WO2017206246A1 (en) * | 2016-05-30 | 2017-12-07 | 宇龙计算机通信科技(深圳)有限公司 | Subscriber identity module card duplication prompting method and server |
| CN106060825B (en) * | 2016-05-30 | 2020-01-10 | 宇龙计算机通信科技(深圳)有限公司 | Client identification card copying reminding method and server |
| US11483709B2 (en) | 2019-03-14 | 2022-10-25 | At&T Intellectual Property I, L.P. | Authentication technique to counter subscriber identity module swapping fraud attack |
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Inventor after: Tang Jingbao Inventor after: Gao Aizhen Inventor after: Shao Siqing Inventor after: Jia Lin Inventor before: Gao Aizhen Inventor before: Shao Siqing Inventor before: Jia Lin |
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Application publication date: 20110518 |