Is that a little cockroach?

This is certainly the Nymph harmless Forest damage – no cockroach, no German cockroach! : )

Commission Implementing Regulation (EU) No 1306/2013 of 13 December 2013 laying down detailed rules for the application of Council Regulation (EC) No 1224/2009 of the European Parliament and of the Council on the harmonisation of the laws, regulations and administrative provisions of the Member States relating to the processing of personal data by electronic means of electronic means (OJ L 347, 20.12.2013, p. 1).

Whether Ectobius lapponicus, E. vittiventris or one of the many others is put to it, but ultimately does not matter.

The German scrape would have the two distinctive strips on the back/neck, also another coloring:

https://bugguide.net/node/view/1038622

The nymphs of the oriental and brown band cockroaches also look different.

Forest damages are not household damages – they live in bushes and shrubs, feed on rotten plant material, so go after a few days in the house lacking food itself.

You don’t have to do anything against her.

Flying grids on the windows are enough to to prevent them from entering, because they can: fly. They fly to artificial light, so they are also found in the evening or at night.

Also they crawl very well and quickly, are to be found in daylight (but not only, but also at night) and behave by far not as shy as German or other, harmful to us.