Are you looking for security software for portable disk?
Do you need to encrypt files in the Cloud or Network drive?
You are on the right way...
Lockngo is the portable application that protects and hides data on any external drive
For Windows and Mac
SecureNTFS is the portable application that creates hidden area on external drive
Secure NTFS
Version 1.1
The application creates hidden, password protected storage for private files on external drive. Disk must be NTFS formatted..
- Run it directly from your removable drive. Installation to PC is not required.
- Get access to your hidden files wherever and whenever you want. From any computer at any location. Without the need for administrator rights.
- Install it on any removable storage device: external hard drives, flash drives, or any other removable storage device.
- Protect and store an unlimited number of files with the amount of storage only being limited by the size of your external hard drive.
- When drive is unplugged from your computer the storage will be closed automatically.
- Keep your secret files invisible on all platforms including Windows, Mac and Linux.
- Quickly open your hidden files with instant storage access.
- Protect your data by hiding your files and directories without changing the file structure, eliminating the risk of file corruption.
Portable Sweeper is the portable application to clean personal or private information
Keynesis Portable Sweeper
Version 1.5 (FREE)
Portable software to clean personal or private information behind
- Simple, friendly and intuitive to use - just select a profile and press "GO!"
- Runs directly from your portable media or local drive - no software on the PC
- No installation required
- No software installation required
- Small in size and fast in operation
- Removes all personal private data from the computer you run Keynesis Portable Sweeper on
- Includes selective cleaning profiles which you can edit to meet different needs on different computers such as your home computer and office computer
- Performs data wiping (optional) - this option performs active random binary data writing over the deleted data to ensure that it cannot be restored
- It is absolutely free
Secured Cloud Drive
Version 3.0
Secured Cloud Drive
Secured Cloud Drive encrypts files on network, cloud, and portable drives
- Local, network, cloud, and portable storages are supported.
- FIPS-140-2 certified encryption.
- Fully independent of cloud storage providers.
- Files in external storages are protected from all intrusions, like hackers, administrators, secret services, etc.
- Support of virtual encrypted drives (like TrueCrypt).
- Unlimited number of connected computers.
- Automatical detection when synchronization channel become available (portable drive is plugged in / connection to network / files are updated in cloud sync folder).
- Unlimited number of shared folders per computer.
- Unlimited number of files and folders.
- Free for personal use.
- May be used for several users on the same computer.
- Does not require special user rights. May be used on any computer.
Read more about Exteranl Drive Encryption...
and Mas OS X Mountain Lion 
Lite Lockngo version for home users.
