If you need to delete sensitive information and have it completely inaccessible, you’ll want to use the “Secure Empty Trash” feature. This works by writing random patterns of data over a trashed file immediately after it has been emptied, or removed from the filesystem, such a process which otherwise takes place over time throughout normal computer usage as more files are created and deleted. Ther
![Secure Empty Trash in Mac OS X](https://cdn-ak-scissors.b.st-hatena.com/image/square/11c537a23ef654d01b744fac4457191c1153b798/height=288;version=1;width=512/https%3A%2F%2Fcdn.osxdaily.com%2Fwp-content%2Fuploads%2F2012%2F02%2Fsecure-empty-trash.jpg)