init slides
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---
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marp: true
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theme: default
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class: invert
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---
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# Digitale Selbstverteidigung
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> "Sollen Sie doch meine Daten haben. Ich hab eh nichts zu verbergen!"
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---
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## Wer wir sind
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- AG Link -- AG für kritische Informatik
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- Seit 2018
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- Webseite [ag-link.xyz](https://ag-link.xyz/)
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- Email [ag-link@riseup.net](mailto:ag-link@riseup.net)
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---
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## Worum geht es heute
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- Was sind Daten?
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- Wer verwendet meine Daten?
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- Warum sollten wir bewusster mit Daten umgehen?
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- Argumente gegen "Ich hab doch eh nichts zu verbergen"
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---
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---
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## Was sind Daten?
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> reinterpretable representation of information in a formalized manner suitable for communication, interpretation, or processing.[^1]
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---
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---
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```txt
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> exiftool img.HEIC
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ExifTool Version Number : 13.30
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File Name : img.HEIC
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Directory : .
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File Size : 3.4 MB
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File Modification Date/Time : 2025:08:26 12:33:40+02:00
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File Access Date/Time : 2025:08:26 12:33:45+02:00
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File Inode Change Date/Time : 2025:08:26 12:33:44+02:00
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File Permissions : -rw-r--r--
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...
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Exif Byte Order : Big-endian (Motorola, MM)
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Make : Apple
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Camera Model Name : iPhone 12 mini
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Orientation : Horizontal (normal)
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...
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```
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---
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```txt
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...
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Exposure Time : 1/3861
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F Number : 1.6
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Exposure Program : Program AE
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ISO : 32
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Exif Version : 0232
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Date/Time Original : 2025:08:01 16:13:23
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Create Date : 2025:08:01 16:13:23
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Offset Time : +02:00
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Offset Time Original : +02:00
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Offset Time Digitized : +02:00
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Shutter Speed Value : 1/3861
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Aperture Value : 1.6
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Brightness Value : 9.930983065
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Exposure Compensation : 0
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...
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Lens Info : 1.549999952-4.2mm f/1.6-2.4
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Lens Make : Apple
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Lens Model : iPhone 12 mini back dual wide camera 4.2mm f/1.6
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```
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---
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```txt
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...
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GPS Date/Time : 2025:08:01 14:13:01Z
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GPS Latitude : 53 deg 36' 0.21" N
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GPS Longitude : 11 deg 28' 55.14" E
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Circle Of Confusion : 0.005 mm
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Field Of View : 69.4 deg
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Focal Length : 4.2 mm (35 mm equivalent: 26.0 mm)
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GPS Position : 53 deg 36' 0.21" N, 11 deg 28' 55.14" E
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```
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---
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---
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## Wer verwendet meine Daten?
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- Ich
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- Freund:innen
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- Familie
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- Bekannte
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---
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## Wer verwendet meine Daten?[^2]
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- Ich
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- Freund:innen
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- Familie
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- Bekannte
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Aber auch
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- Hacker
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- Erpresser
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---
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## Wer verwendet meine Daten?
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- ...
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- Konzerne[^3]
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- Regierungen
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---
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## Wofür werden meine Daten verwendet?
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- Konsumverhalten
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- Verkauf von Daten an andere
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- Daten machen erpressbar
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- Achtsamer Umgang mit meinen Daten ist solidarisch
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- Marginalisierung
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- Energieverbrauch durch Sammeln von Daten
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- Unachtsamer Umgang mit Daten verursacht Abhängigkeiten
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---
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# Konsumverhalten
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---
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# Verkauf von Daten
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>"Wenn ein Dienst kostenlos ist, bist du das Produkt"
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---
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# Erpressbarkeit
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---
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# Solidarität
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---
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# Marginalisierung durch Daten
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---
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# Energieverbrauch
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---
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# Schaffen von Abhängigkeiten und Lock-In
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---
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# Und was kann ich jetzt dagegen tun?
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1. Bewussterer Umgang mit Daten.
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2. Verwendung von Software, dessen Businessmodell nicht auf dem Sammeln von Daten ausgerichtet ist
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---
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[^1]: https://www.iso.org/obp/ui/en/#iso:std:iso-iec:2382:ed-1:v2:en
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[^2]: https://de.wikipedia.org/wiki/Liste_von_Datendiebst%C3%A4hlen
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[^3]: https://boldist.co/analytics/google-data-collection/
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