GPG4Win - GPG4Win is an encryption program for files and emails. The program encrypts emails and files so that they can only be read by those intended to receive them.

Sandboxie - Sandboxie is a program for Windows that is designed to allow the user to isolate individual programs on the hard drive.

VeraCrypt - VeraCrypt is a free open source disk encryption software for Windows, Mac OSX and Linux.

Deep Freeze - DESCRIBING DEEPFREEZE SOFTWARE Deepfreeze, by Faronics, is an application that solves a unique problem that many companies have these days; it prevents an end user from making permanent changes to important system/administrative files.

CipherShed - CipherShed is a program that can be used to create encrypted files or encrypt entire drives...

Cuckoo Sandbox - Cuckoo Sandbox provides detailed analysis of any suspected malware to help protect you from online threats.