Sökning: "SS7"

Visar resultat 1 - 5 av 12 uppsatser innehållade ordet SS7.

  1. 1. Utvärdering av Elastic Stack som verktyg för detektering av skadlig SS7-trafik

    M1-uppsats,

    Författare :Sammie Nilsson; Håkan Wester; [2019]
    Nyckelord :Elastic; Elastic Stack; SS7;

    Sammanfattning : Det finns idag fortfarande komponenter i det globala mobilnätet som använder teknologi som utvecklades på 70-talet. Nyare, säkrare system har införts i flera länder, men även dessa behåller sin förmåga att kommunicera med de mer sårbara äldre systemen och delar därmed deras säkerhetsproblem. LÄS MER

  3. 2. Analysis and Experimental Verification of Diameter Attacks in Long Term Evolution Networks

    Master-uppsats, KTH/Skolan för informations- och kommunikationsteknik (ICT)

    Författare :Bhanu Teja Kotte; [2016]
    Nyckelord :;

    Sammanfattning : In cellular networks, the roaming interconnection was designed when there were only a few trusted parties and security was not a major concern or design criteria. Most of the roaming interconnections today are still based on the decades-old SS7 and the lack of security is being blamed for several vulnerabilities. LÄS MER

  4. 3. GSM HLR Unstructured Supplementary Service Data (USSD) service

    Master-uppsats, Institutionen för informationsteknologi

    Författare :Mohammedreza Taghilu; [2013]
    Nyckelord :;

    Sammanfattning : The Unstructured Supplementary Service Data (USSD) provides a service additional to GSM main service (teleservices and bearer services). Similar to its counterparts, Mobile Station (MS) user and entities of GSM network operator  act as main roles in order to establish communication in which the message traffic is transparent for the mentioned actors. LÄS MER

  5. 4. GSM Voice Mail Service TDM Call Control

    Master-uppsats, Institutionen för informationsteknologi

    Författare :Ebby Wiselyn Jeyapaul; [2012]
    Nyckelord :;

    Sammanfattning : The Voice Mail Service (VMS) enables forwarding of calls to a dedicated Voice Mail Server (VMS) on behalf of the call receiving subscriber during certain conditions such as 'busy subscriber', 'no answer', 'always', etc. The standardization forum 3GPP has specified the Global System for Mobile communication (GSM) while the standardization forum ITU-T has specified the Integrated Services Digital Networks  (ISDN) User Part (ISUP) call control protocol. LÄS MER

  7. 5. PROTOCOL PERFORMANCE MEASUREMENT METHODOLOGY - EXPERIMENTATION WITH SIGNALING SYSTEM NO 7

    Magister-uppsats, Akademin för innovation, design och teknik

    Författare :Anand AswathaNarayana Tumkur; Avijit Dutta; [2009]
    Nyckelord :Protocol; Performance; Siganling System No 7;

    Sammanfattning : Performance is the driving force for the effective network utilization in the current telecommunication world. The thesis aims to define suitable performance measurement methodologies for communication over stack based Signalling System No 7 (SS7). LÄS MER