As we all know by now, the ransomware threat will remain. Current versions target medium-sized companies and attack online backups. The only insurance against weeks of failure and high costs are offline-capable media that can be stored outside the online system (Air Gap). In addition to tape, which is particularly useful for petabyte archives, modern removable media can also be designed in such a way that they offer random access, high, built-in security and still offline capability.