J277 OCR Computer Science Unit 1.4 Revision Sheets / Practice Questions

NEW J277 SPECIFICATION

Here you will find easy to follow revision sheets which will help your students to recap the topic:
1.4 Network Security
1.4.1 Threats to computer systems and networks ¨ Forms of attack:
o Malware
o Social engineering, e.g. phishing, people as the ‘weak point’
o Brute-force attacks
o Denial of service attacks
o Data interception and theft
o The concept of SQL injection

1.4.2 Identifying and preventing vulnerabilities
¨ Common prevention methods:
o Penetration testing
o Anti-malware software
o Firewalls
o User access levels
o Passwords
o Encryption
o Physical security