What is data hiding in cyber security?
Data hiding and cryptography are the two main techniques for secure communication. In cryptography, the plain data is changed into an unreadable form called cipher data. … In data hiding, the data is hidden in a cover file and it will be transmitted over the network.
What is data hiding technique?
Data hiding involves changing or manipulating a file to conceal information. Data-hiding techniques include: Hiding Partitions • We can create a partition and then hide it using a disk editor. • We can get access to hidden partitions using tools such as: GDisk, PartitionMagic, System Commander, and LILO.
What is data hiding in image processing?
Abstract. Steganography is the art of hiding data in a seemingly innocuous cover medium. For example – any sensitive data can be hidden inside a digital image. Steganography provides better security than cryptography because cryptography hides the contents of the message but not the existence of the message.
What techniques might criminals use to hide data or activities?
The two most common types of information-hiding practices are steganography and cryptography. Steganography is the act of hiding something in plain sight by embedding it in a seemingly innocent file. For example, a cyber criminal transmit plans to rob a bank inside of an image of a household pet.
What is information hiding in OOP with example?
Information hiding concept restricts direct exposure of data. Data is accessed indirectly using safe mechanism, methods in case of programming object. Taking bike as an example, we have no access to the piston directly, we can use ‘start button’ to run the piston.
Is steganography easy?
Using the tool is easy: you can just open the software and load any BMP image or WAV file to its interface. Then add a file you want to hide. It also supports encryption.
Why is hiding information important?
Information hiding plays a very crucial role today. It provided methods for encrypting the information so that it becomes unreadable for any unintended user. This paper reviews the techniques that exist for data hiding and how can these be combined to provide another level of security.
What is reversible data hiding?
Reversible Data Hiding (RDH) techniques have gained popularity over the last two decades, where data is embedded in an image in such a way that the original image can be restored. … The proposed method is applied on different types of images including textures, patterns and publicly available images.
What is Stego data?
Steganography is the technique of hiding secret data within an ordinary, non-secret, file or message in order to avoid detection; the secret data is then extracted at its destination. … The word steganography is derived from the Greek words steganos (meaning hidden or covered) and the Greek root graph (meaning to write).