Sensitive data has always been a challenge to deliver securely. Even in the days of the Spartans, military commanders would use ingenious encryption techniques to communicate with each other across distances. Today, we have an ongoing battle for data security that pits the brilliant minds of encryption experts with the equally-brilliant hackers trying to get into this database or capture that bit of data. A ton of resources are used on both sides to get the upper hand in the various virtual wars. As this infographic from Visual.ly details, even governments are involved. Special thanks for…