Same prob here!
Der ModSecurity-Regelsatz konnte nicht installiert werden: modsecurity_ctl failed: gpg: key 4520AFA9: "Atomicorp (Atomicorp Official Signing Key) <
[email protected]>" not changed gpg: Total number processed: 1 gpg: unchanged: 1 gpg: Signature made Wed Jun 25 18:41:22 2014...