{"guid":"5f38b716-e18c-44a3-b9fd-8f3eb593605c","title":"SIM card technology from A-Z","subtitle":null,"slug":"36c3-10737-sim_card_technology_from_a-z","link":"https://fahrplan.events.ccc.de/congress/2019/Fahrplan/events/10737.html","description":"Billions of subscribers use SIM cards in their phones. Yet, outside a relatively small circle, information about SIM card technology is not widely known. This talk aims to be an in-depth technical overview.\n\n\u003cp\u003eToday, billions of subscribers use SIM cards in their phones. Yet, outside a relatively small circle, information about SIM card technology is not widely known. If at all, people know that once upon a time, they were storing phone books on SIM cards.\u003c/p\u003e\n\u003cp\u003eEvery so often there are some IT security news about SIM card\nvulnerabilities, and SIM card based attacks on subscribers.\u003c/p\u003e\n\u003cp\u003eLet's have a look at SIM card technology during the past almost 30 years and cover topics like\n\u003cul\u003e\n\u003cli\u003eQuick intro to ISO7816 smart cards\u003c/li\u003e\n\u003cli\u003eSIM card hardware, operating system, applications\u003c/li\u003e\n\u003cli\u003eSIM card related specification bodies, industry, processes\u003c/li\u003e\n\u003cli\u003efrom SIM to UICC, USIM, ISIM and more\u003c/li\u003e\n\u003cli\u003eSIM toolkit, proactive SIM\u003c/li\u003e\n\u003cli\u003eeSIM\u003c/li\u003e\n\u003c/ul\u003e\n\u003c/p\u003e","original_language":"eng","persons":["LaForge"],"view_count":24801,"promoted":false,"date":"2019-12-27T23:30:00.000+01:00","release_date":"2019-12-28T01:00:00.000+01:00","updated_at":"2026-04-23T00:45:05.043+02:00","tags":["36c3","10737","2019","Hardware \u0026 Making","Main"],"length":3802,"duration":3802,"thumb_url":"https://static.media.ccc.de/media/congress/2019/10737-hd.jpg","poster_url":"https://static.media.ccc.de/media/congress/2019/10737-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2019/10737-hd.timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2019/10737-hd.thumbnails.vtt","frontend_link":"https://media.ccc.de/v/36c3-10737-sim_card_technology_from_a-z","url":"https://api.media.ccc.de/public/events/5f38b716-e18c-44a3-b9fd-8f3eb593605c","conference_title":"36C3: Resource 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