For the person who has to actually ship NIS2 by Friday.

The Perimeter is a daily editorial brief on European compliance and cybersecurity, written for the in-house risk, compliance, or security lead at a 50-500-person company.

We scan 23 official sources — EUR-Lex, BaFin, BSI, ENISA, EDPB, EDPS, CNIL, BfDI, ICO, CISA, ESMA, EBA, ECB, ANSSI, CSSF, NCSC-NL, CERT-EU, CERT-FR, CERT-BUND, NVD, CISA KEV, HIBP, arXiv — every weekday morning. A ranking pass surfaces the 5-8 stories that actually matter for a 200-person Mittelstand risk lead. Then a human writes the take.

No press releases. No vendor PR. No 52-link dumps.

Built by the team at Matproof. The newsletter is editorially independent — sponsors don't shape coverage. We disclose every commercial relationship at the top of the issue it appears in.