Contact: mailto:security@querdenkerengineering.de Expires: 2027-09-01T00:00:00.000Z Preferred-Languages: de, en Canonical: https://querdenkerengineering.de/.well-known/security.txt Policy: https://querdenkerengineering.de/de/company/report-a-vulnerability Policy: https://querdenkerengineering.de/en/company/report-a-vulnerability