Security - WS supports weak ciphers

[ozzi-]

The acceptance environment supports weak ciphers, such as TLS_RSA_WITH_AES_128_CBC_SHA256
Since the prod env doesn't seem to be ready, I cannot confirm that this will be an issue there too.

For more details see:
https://www.ssllabs.com/ssltest/analyze.html?d=ws.covidcertificate-a.bag.admin.ch&hideResults=on