Vade

Vade is a French email-security vendor founded in Hem in 2009 and now part of Hornetsecurity Group (acquired 2024) — both headquartered in the EU. Vade for M365 augments Microsoft 365 with AI- and behavioural-based defences against phishing, spear-phishing, BEC, malware and ransomware, and adds URL rewriting, sandboxed attachment analysis, message "freezing", S/MIME and PGP signing/encryption and audit-proof archiving. It is sold mainly via MSPs and ISPs as a per-user subscription.