ProtectStar releases iShredder Mac 2 (v2.0.10), their military grade data erasure tool for Mac's and MacBook's. The app securely delete files using methods that meet and exceed government, military, and industry standards. Users simply drag-and-drop files, folders, or drives to the app and press the "Shred" button. iShredder Mac then completely eliminates any chance for data reconstruction, even by government agencies. iShredder Mac 2 (v2.0.10) is $19.90 and can be downloaded from their website.
ProtectStar's iShredder Mac 2 - Securely Erase Files on macOS