{"guid":"import-a1a87b23e3d9657c68","title":"Detecting temperature through clock skew","subtitle":"Hot or Not: Defeating anonymity by monitoring clock skew to remotely detect the temperature of a PC","slug":"23C3-1513-en-detecting_temperature_through_clock_skew","link":"http://events.ccc.de/congress/2006/Fahrplan/events/1513.en.html","description":"By requesting timestamps from a computer, a remote adversary can find out the precise speed of its system clock. As each clock crystal is slightly different, and varies with temperature, this can act as a fingerprint of the computer and its location.\n","original_language":"eng","persons":["Steven J. Murdoch"],"tags":["23c3"," Hacking"],"view_count":57,"promoted":false,"date":"2006-12-28T01:00:00.000+01:00","release_date":"2008-01-01T01:00:00.000+01:00","updated_at":"2025-03-16T11:00:03.449+01:00","length":3768,"duration":3768,"thumb_url":"https://static.media.ccc.de/media/congress/2006/23C3-1513-en-detecting_temperature_through_clock_skew.jpg","poster_url":"https://static.media.ccc.de/media/congress/2006/23C3-1513-en-detecting_temperature_through_clock_skew_preview.jpg","timeline_url":"https://static.media.ccc.de/media/congress/2006/import-a1a87b23e3d9657c68-timeline.jpg","thumbnails_url":"https://static.media.ccc.de/media/congress/2006/import-a1a87b23e3d9657c68-thumbnails.vtt","frontend_link":"https://media.ccc.de/v/23C3-1513-en-detecting_temperature_through_clock_skew","url":"https://api.media.ccc.de/public/events/import-a1a87b23e3d9657c68","conference_title":"23C3: Who can you trust?","conference_url":"https://api.media.ccc.de/public/conferences/23c3","related":[{"event_id":1045,"event_guid":"import-0a063c79bad4fefe45","weight":1},{"event_id":3678,"event_guid":"47eedd9d-adf7-40d6-80fa-40f560fd3794","weight":1},{"event_id":3853,"event_guid":"efeeaebc-3f29-11e7-9ba7-2f214305c877","weight":1},{"event_id":4266,"event_guid":"06e40660-7a3c-11e7-9e41-5fd1dc78dc8f","weight":1},{"event_id":4540,"event_guid":"55585442-5342-2020-2020-202020202020","weight":1},{"event_id":4552,"event_guid":"4a584856-5341-2020-2020-202020202020","weight":1},{"event_id":4590,"event_guid":"50415938-4b52-2020-2020-202020202020","weight":1}],"recordings":[{"size":232,"length":3768,"mime_type":"audio/mpeg","language":"eng","filename":"23C3-1513-en-detecting_temperature_through_clock_skew.mp3","state":"downloaded","folder":"audio","high_quality":true,"width":640,"height":480,"updated_at":"2014-05-10T15:26:41.638+02:00","recording_url":"https://cdn.media.ccc.de/congress/2006/audio/23C3-1513-en-detecting_temperature_through_clock_skew.mp3","url":"https://api.media.ccc.de/public/recordings/2005","event_url":"https://api.media.ccc.de/public/events/import-a1a87b23e3d9657c68","conference_url":"https://api.media.ccc.de/public/conferences/23c3"},{"size":232,"length":3768,"mime_type":"video/mp4","language":"eng","filename":"23C3-1513-en-detecting_temperature_through_clock_skew.m4v","state":"downloaded","folder":"video","high_quality":true,"width":640,"height":480,"updated_at":"2016-01-27T11:03:24.020+01:00","recording_url":"https://cdn.media.ccc.de/congress/2006/video/23C3-1513-en-detecting_temperature_through_clock_skew.m4v","url":"https://api.media.ccc.de/public/recordings/2004","event_url":"https://api.media.ccc.de/public/events/import-a1a87b23e3d9657c68","conference_url":"https://api.media.ccc.de/public/conferences/23c3"}]}