Obfuscation

Question 1

Steganography

Answer 1

Concealing data within other data to hide its existence.

Question 2

Tokenization

Answer 2

Substituting sensitive data with non-sensitive placeholders.

Question 3

Data Masking

Answer 3

Concealing or anonymising specific data elements within a dataset.

Question 4

Hashing

Answer 4

Generating a fixed-size, unique hash value from input data using cryptographic algorithms.

Question 5

Salting

Answer 5

Adding random data to input before hashing to prevent identical inputs from producing the same hash.

Question 6

Digital Signatures

Answer 6

Cryptographic signatures that verify the authenticity and integrity of digital messages or documents.

Question 7

Key Stretching

Answer 7

Technique to increase the computational effort required to derive keys from passwords.

Question 8

Blockchain

Answer 8

Distributed, decentralised ledger technology used for secure and transparent record-keeping.

Question 9

Open Public Ledger

Answer 9

Transparent and publicly accessible record of transactions or data entries.