Obfuscation

Obfuscation

The process of making something unclear but not impossible to understand

Steganography

concealing info within other data (hidden in plain sight)

What is security through obscurity?

If you know the process that was used to hide the data, you can very easily recover the data

Common Steganography techniques

Embed messages in TCP packets, embed in a image, invisible watermarks (small yellow dots on printed papers)

Other Steganography types

Audio and video

Tokenization

replace sensitive data with a non-sensitive placeholder

what is an example of tokenization?

changing an SSN with a different set of numbers but behind the scenes they are matched together. When it gets to its destination it switches back over

Data Masking

Hiding parts of original data and only showing you a portion of it (ex. on receipt it shows the last four digits of card number)