Factors influencing the integrity of data
Currency Currency refers to how current the data is. Is the data up to date? Old, outdated data can negatively impact analysis and decision-making. Some […]
Year 11 Semester 2
Network Security – Authentication
Authentication refers to the process of verifying the identity of a user. It ensures that the person or system accessing a particular resource or information […]
Methods to ensure the security of networks
Firewalls See firewall Anti-virus software Anti-virus software is utility software that protects computer systems from many different types of malware listed here. Password and Network […]
Network security
Network security can be compromised by the following: Denial of service An attacker will flood a network resource with network traffic with the aim to […]
Encryption
Transferring data over networks is inherently insecure. The traffic passes through multiple routers and if any of those routers are compromised by a hacker or […]
Normalisation (Database)
Data normalisation organises data in a database (across multiple tables/entities/relations) to ensure there is no data redundancy and to avoid anomalies (insert, deletion, update). There […]
Data Integrity (database)
Data integrity is about ensuring all data is consistent and accurate throughout a database. Referential integrity ensures all foreign keys have a primary key in another […]