- Germany

https://www.golem.de/news/hamburg-polizei-nutzt-corona-konta...

https://www.ccc.de/de/updates/2021/luca-app-ccc-fordert-bund...

- Australia

Australia, WA, check-in data: https://www.abc.net.au/news/2021-06-15/safewa-app-sparks-urg...

Australia, WA, border pass data: https://www.abc.net.au/news/2021-06-17/g2g-app-data-accessed...

Australia, VIC, check-in data: https://www.theage.com.au/politics/victoria/police-sought-ac...

Australia, QLD, check-in data: https://www.abc.net.au/news/2021-06-29/queensland-coronaviru...

- Singapore

https://fortune.com/2021/02/01/singapore-covid-data-tracetog...

https://www.straitstimes.com/singapore/politics/police-can-a...

https://www.straitstimes.com/singapore/proposed-restrictions...

https://www.straitstimes.com/singapore/politics/bill-limitin...