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- IMSI-catcher abstract "An IMSI catcher is essentially a false mobile tower acting between the target mobile phone(s) and the service providers real towers. As such it is considered a Man In the Middle (MITM) attack. It is used as an eavesdropping device used for interception and tracking of cellular phones and usually is undetectable for the users of mobile phones. Such a virtual base transceiver station (VBTS) is a device for identifying the International Mobile Subscriber Identity (IMSI) of a nearby GSM mobile phone and intercepting its calls. It was patented and first commercialized by Rohde & Schwarz, although it would be hard to maintain such a patent, since in reality it is just a modified cell tower with a malicious operator. On 24 January 2012, the Court of Appeal of England and Wales held that the patent is invalid for obviousness.The GSM specification requires the handset to authenticate to the network, but does not require the network to authenticate to the handset. This well-known security hole can be exploited by an IMSI catcher. The IMSI catcher masquerades as a base station and logs the IMSI numbers of all the mobile stations in the area, as they attempt to attach to the IMSI-catcher. It allows forcing the mobile phone connected to it to use no call encryption (i.e., it is forced into A5/0 mode), making the call data easy to intercept and convert to audio. IMSI catchers are used in some countries by law enforcement and intelligence agencies, but based upon civil liberty and privacy concerns, their use is illegal in others. Some countries do not even have encrypted phone data traffic (or very weak encryption) rendering an IMSI catcher unnecessary.".
- IMSI-catcher wikiPageExternalLink bb.osmocom.org.
- IMSI-catcher wikiPageExternalLink seminar_ss07.
- IMSI-catcher wikiPageExternalLink MicroNet_GSM_daul_band_catcher.html.
- IMSI-catcher wikiPageExternalLink Micronet-U_UMTS_catcher.html.
- IMSI-catcher wikiPageExternalLink 368.html.
- IMSI-catcher wikiPageID "2089044".
- IMSI-catcher wikiPageRevisionID "584968301".
- IMSI-catcher hasPhotoCollection IMSI-catcher.
- IMSI-catcher subject Category:Law_enforcement_equipment.
- IMSI-catcher subject Category:Mobile_security.
- IMSI-catcher subject Category:Surveillance.
- IMSI-catcher subject Category:Telephone_tapping.
- IMSI-catcher subject Category:Telephony_equipment.
- IMSI-catcher comment "An IMSI catcher is essentially a false mobile tower acting between the target mobile phone(s) and the service providers real towers. As such it is considered a Man In the Middle (MITM) attack. It is used as an eavesdropping device used for interception and tracking of cellular phones and usually is undetectable for the users of mobile phones.".
- IMSI-catcher label "IMSI-Catcher".
- IMSI-catcher label "IMSI-catcher".
- IMSI-catcher label "Ловец IMSI".
- IMSI-catcher label "آي إم إس آي كاتشر".
- IMSI-catcher sameAs Agáta_(zařízení).
- IMSI-catcher sameAs IMSI-Catcher.
- IMSI-catcher sameAs m.06ldfd.
- IMSI-catcher sameAs Q1423310.
- IMSI-catcher sameAs Q1423310.
- IMSI-catcher wasDerivedFrom IMSI-catcher?oldid=584968301.
- IMSI-catcher isPrimaryTopicOf IMSI-catcher.