Someone who knows you are using a Caesar Cipher encryption could easily break it by hand, since there are only 26 possibilities. In later posts, we will write more secure encryption algorithms.

We all have files that we'd rather not share with hackers and thieves (and maybe even our spouses). Here's how to put them in a place where no one else can open them.

Streams All of Java's I/O facilities are based on streams that represent flowing sequences of characters or bytes. Java's I/O streams provide standardized ways to read and write data.

A new version of CryptoWall has been released that displays a redesigned ransom note, new file names, and now encrypts a file's name along with the data as well. A new version of CryptoWall has ...