{"guid":"2f68e356-6c3f-4034-9640-c06d717ed96b","title":"Traue keinem Scan, den du nicht selbst gefälscht hast","subtitle":"\"Bei Kopierern kommt das raus, was man reinsteckt.\" – Wer das denkt, sollte diesen Vortrag besuchen.","slug":"31c3_-_6558_-_de_-_saal_g_-_201412282300_-_traue_keinem_scan_den_du_nicht_selbst_gefalscht_hast_-_david_kriesel","link":"http://events.ccc.de/congress/2014/Fahrplan/events/6558.html","description":"Kopierer, die spontan Zahlen im Dokument verändern: Im August 2013 kam heraus, dass so gut wie alle Xerox-Scankopierer beim Scannen Zahlen und Buchstaben einfach so durch andere ersetzen. Da man solche Fehler als Benutzer so gut wie nicht sehen kann, ist der Bug extrem gefährlich und blieb lange unentdeckt: Er existiert über acht Jahre in freier Wildbahn.","original_language":"eng","persons":["David Kriesel"],"view_count":67238,"promoted":false,"date":"2014-12-28T23:00:00.000+01:00","release_date":"2015-01-02T01:00:00.000+01:00","updated_at":"2026-08-07T15:45:07.368+02:00","tags":["Ethics, Society \u0026 Politics"],"length":3819,"duration":3819,"thumb_url":"https://static.media.ccc.de/media/congress/2014/6558-hd.jpg","poster_url":"https://static.media.ccc.de/media/congress/2014/6558-hd_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2014/2f68e356-6c3f-4034-9640-c06d717ed96b-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2014/2f68e356-6c3f-4034-9640-c06d717ed96b-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/31c3_-_6558_-_de_-_saal_g_-_201412282300_-_traue_keinem_scan_den_du_nicht_selbst_gefalscht_hast_-_david_kriesel","url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_title":"31C3: a new dawn","conference_url":"https://api.media.ccc.de/public/conferences/31c3","related":[{"event_id":949,"event_guid":"import-7731036a6ad7782f4f","weight":26},{"event_id":1029,"event_guid":"import-dab9cded184d032210","weight":53},{"event_id":1057,"event_guid":"import-d93f6f776ff5e0bf3d","weight":15},{"event_id":1192,"event_guid":"import-76fbd1cf41edc25067","weight":21},{"event_id":1275,"event_guid":"import-e2aeeda6438ea858f2","weight":30},{"event_id":1468,"event_guid":"import-c101d62bc033267900","weight":25},{"event_id":1566,"event_guid":"import-6942ef79beefffaaf3","weight":75},{"event_id":1728,"event_guid":"3poSeUcpc6woNaI5dhATcQ","weight":44},{"event_id":2156,"event_guid":"-n9QScyDLXMEwkqrCHASYw","weight":28},{"event_id":2178,"event_guid":"7G4FQIXg2eb7D6F_jNwuxA","weight":19},{"event_id":2216,"event_guid":"A8xVpIjX1oKQOQcWMt_49Q","weight":42},{"event_id":2217,"event_guid":"Mw1wjnNzwxzSkM3Ip5Lg0g","weight":22},{"event_id":2273,"event_guid":"38ea922b-5b2d-4290-8c79-da0c891edd7a","weight":21},{"event_id":2301,"event_guid":"419d4f7e-7506-4d46-8700-e47e164a8e32","weight":16},{"event_id":2587,"event_guid":"89b01590-66cd-4804-9235-f63f073da68d","weight":212},{"event_id":2814,"event_guid":"3cb4101c-2042-4883-b6fb-6591994a70c0","weight":55},{"event_id":2826,"event_guid":"9ab1407a-126f-48d9-898d-eae7974324e9","weight":18},{"event_id":2868,"event_guid":"0549d204-604a-46c5-92a2-e64b85aa9892","weight":28},{"event_id":2871,"event_guid":"74515f8e-a752-4cbb-b407-3a70fca5b0b3","weight":18},{"event_id":2920,"event_guid":"d516ffe3-d32d-4bed-8289-09d245ac2b2f","weight":29},{"event_id":2922,"event_guid":"47cbd880-f500-4c44-b717-c11ed1da087d","weight":26},{"event_id":2938,"event_guid":"03c8501f-d327-4228-a9fe-2635370d25d2","weight":50},{"event_id":3079,"event_guid":"a9e0502d-7c27-4303-a965-c5f942adbb2a","weight":14},{"event_id":3601,"event_guid":"5a517be2-220b-4eb6-88c3-e7ef08c98ace","weight":18},{"event_id":3610,"event_guid":"56537f49-c8f0-4d73-bdba-d4d8307fc170","weight":25},{"event_id":3615,"event_guid":"74783236-46f4-493c-9574-1b27a44847b7","weight":101},{"event_id":3627,"event_guid":"143759c6-2cad-4fc8-a120-86dcc8de97e6","weight":14},{"event_id":3628,"event_guid":"4de841b2-0f34-494e-ba5b-0b79ba2c88cd","weight":19},{"event_id":3632,"event_guid":"378cdf23-350b-4a05-afd0-6360139a7a06","weight":46},{"event_id":3633,"event_guid":"530f0400-e4e8-4d99-909d-4cfc8121c0b0","weight":30},{"event_id":3640,"event_guid":"700a07e7-a9c4-437b-a4c5-4491b23a9b4a","weight":53},{"event_id":3643,"event_guid":"2689ebfe-0d84-4c88-9ea6-5cadad9d4fa4","weight":30},{"event_id":3644,"event_guid":"d1681340-162c-48ce-8c0b-61c3e176696d","weight":25},{"event_id":3653,"event_guid":"658b276a-e3a2-4698-b2a8-2edb724be17e","weight":10},{"event_id":3667,"event_guid":"6347d122-daf0-4b30-851c-32cac06bf6bd","weight":53},{"event_id":3671,"event_guid":"4ef69e6a-026f-4b30-888d-af654b220a3d","weight":46},{"event_id":3676,"event_guid":"f6811c99-96af-44d5-b82d-5afe826b2caf","weight":15},{"event_id":3687,"event_guid":"5ae90a09-0b83-4357-bdb4-9afc04100c68","weight":18},{"event_id":3689,"event_guid":"1f7eb981-2819-4824-8f40-4ddde0be7bf3","weight":52},{"event_id":3692,"event_guid":"f21478d4-e8db-4f19-854c-2f74b5824706","weight":41},{"event_id":3695,"event_guid":"c300b194-2a85-4705-92aa-b4e789882303","weight":884},{"event_id":3696,"event_guid":"9d36932f-616a-4677-b924-60c1986fbbfc","weight":20},{"event_id":3701,"event_guid":"155a622a-196e-4e05-a262-88f3a7726bbe","weight":15},{"event_id":3720,"event_guid":"198bdfe5-24cf-4b2f-9cd5-7522a99b3b4e","weight":25},{"event_id":3726,"event_guid":"7c3a4ac8-1925-4459-bdd8-b9d9e18a6cfa","weight":19},{"event_id":3734,"event_guid":"34ea8f1f-9fad-41aa-8424-e833f10e5e8b","weight":15},{"event_id":3737,"event_guid":"d51d9e44-947b-4a09-94ad-c31c5cf5e5e1","weight":31},{"event_id":3760,"event_guid":"1c75e6a1-e586-4b91-abce-92a4561d0181","weight":60},{"event_id":3762,"event_guid":"25e2df7d-5740-4c2f-bc34-986326d606fe","weight":43},{"event_id":3763,"event_guid":"8fbee7ff-b50c-4310-af9d-d44794669f25","weight":21},{"event_id":3851,"event_guid":"a2b0d408-3f34-11e7-a2ff-b7e0ed5cc95f","weight":26},{"event_id":3853,"event_guid":"efeeaebc-3f29-11e7-9ba7-2f214305c877","weight":37},{"event_id":4762,"event_guid":"b036385c-ec1a-44e5-ae48-af703ce9b5d3","weight":15},{"event_id":4763,"event_guid":"2ef3b60f-6e5c-4c23-a145-d263685ec13e","weight":27},{"event_id":4764,"event_guid":"da934433-0092-4749-b606-56b65e84214f","weight":37},{"event_id":4770,"event_guid":"a890dbd3-8859-4788-a72f-ded5c5c08e5f","weight":14},{"event_id":4791,"event_guid":"8d29d28d-a222-4731-bdfc-fde590385cae","weight":26},{"event_id":4794,"event_guid":"a2887b4a-0c9d-4220-a52f-c65c20ae25d7","weight":21},{"event_id":4800,"event_guid":"a9ebf7e3-abc5-49d9-8efe-316b3bc52902","weight":20},{"event_id":4826,"event_guid":"16645200-2036-4a3c-a44d-a5ff44ac2991","weight":37},{"event_id":4866,"event_guid":"117a52b4-f675-49dd-aafe-659c07b6bc9c","weight":31},{"event_id":4909,"event_guid":"03ba9edb-1d3a-4774-9384-7548c0696df7","weight":20},{"event_id":4929,"event_guid":"8e222759-cd6b-403b-8fe1-3517bf7d2802","weight":22},{"event_id":5638,"event_guid":"bc119064-0b23-443b-82d4-55719d478151","weight":15},{"event_id":6543,"event_guid":"48ed6dea-e67d-4866-8c35-318e9d892363","weight":25}],"recordings":[{"length":3866,"mime_type":"video/mp4","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_hd.mp4","state":"downloaded","folder":"h264-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2016-02-03T14:08:14.006+01:00","label":"eng 1080p","size":742,"recording_url":"https://cdn.media.ccc.de/congress/2014/h264-hd/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_hd.mp4","url":"https://api.media.ccc.de/public/recordings/6013","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3866,"mime_type":"video/webm","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_webm-hd.webm","state":"downloaded","folder":"webm-hd","high_quality":true,"width":1920,"height":1080,"updated_at":"2016-02-03T21:01:43.792+01:00","label":"eng 1080p","size":578,"recording_url":"https://cdn.media.ccc.de/congress/2014/webm-hd/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_webm-hd.webm","url":"https://api.media.ccc.de/public/recordings/6024","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":null,"mime_type":"application/x-subrip","language":"deu","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast.de.srt","state":"complete","folder":"","high_quality":true,"width":null,"height":null,"updated_at":"2020-01-03T19:23:04.005+01:00","label":"deu","size":null,"recording_url":"https://cdn.media.ccc.de/congress/2014/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast.de.srt","url":"https://api.media.ccc.de/public/recordings/44412","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":null,"mime_type":"application/x-subrip","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast.en.srt","state":"translated","folder":"","high_quality":true,"width":null,"height":null,"updated_at":"2023-09-02T02:39:16.329+02:00","label":"eng (translated)","size":null,"recording_url":"https://cdn.media.ccc.de/congress/2014/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast.en.srt","url":"https://api.media.ccc.de/public/recordings/47314","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3866,"mime_type":"video/mp4","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_sd.mp4","state":"downloaded","folder":"h264-sd","high_quality":false,"width":720,"height":576,"updated_at":"2016-02-03T14:08:14.197+01:00","label":"eng 576p","size":235,"recording_url":"https://cdn.media.ccc.de/congress/2014/h264-sd/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_sd.mp4","url":"https://api.media.ccc.de/public/recordings/6016","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3811,"mime_type":"audio/mpeg","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_mp3.mp3","state":"downloaded","folder":"mp3","high_quality":true,"width":null,"height":null,"updated_at":"2015-01-02T18:13:11.686+01:00","label":"eng","size":87,"recording_url":"https://cdn.media.ccc.de/congress/2014/mp3/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_mp3.mp3","url":"https://api.media.ccc.de/public/recordings/6014","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3866,"mime_type":"video/webm","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_webm-sd.webm","state":"downloaded","folder":"webm-sd","high_quality":false,"width":720,"height":576,"updated_at":"2016-02-03T14:08:14.357+01:00","label":"eng 576p","size":187,"recording_url":"https://cdn.media.ccc.de/congress/2014/webm-sd/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_webm-sd.webm","url":"https://api.media.ccc.de/public/recordings/6019","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3810,"mime_type":"audio/opus","language":"eng","filename":"31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_opus.opus","state":"downloaded","folder":"opus","high_quality":true,"width":null,"height":null,"updated_at":"2015-01-02T18:14:41.003+01:00","label":"eng","size":44,"recording_url":"https://cdn.media.ccc.de/congress/2014/opus/31c3-6558-de-en-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_opus.opus","url":"https://api.media.ccc.de/public/recordings/6015","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"},{"length":3819,"mime_type":"video/mp4","language":"eng","filename":"31c3-6558-de-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_hd.mp4","state":"downloaded","folder":"h264-hd-web","high_quality":true,"width":1920,"height":1080,"updated_at":"2016-01-26T08:07:57.913+01:00","label":"eng 1080p","size":666,"recording_url":"https://cdn.media.ccc.de/congress/2014/h264-hd-web/31c3-6558-de-Traue_keinem_Scan_den_du_nicht_selbst_gefaelscht_hast_hd.mp4","url":"https://api.media.ccc.de/public/recordings/6052","event_url":"https://api.media.ccc.de/public/events/2f68e356-6c3f-4034-9640-c06d717ed96b","conference_url":"https://api.media.ccc.de/public/conferences/31c3"}]}