OCR J277/01 – 1.4 Network security

Posted on by Administrator Posted in J277 - Computer Science GCSE (OCR)
1.4 Network security - Overview / Checklist
1.4.1 Threats to computer systems and networks
Forms of attack:

    Malware
    Social engineering, e.g. phishing, people as the ‘weak point’
    Brute-force attacks
    Denial of service attacks
    Data interception and theft
    The concept of SQL injection
1.4.2 Identifying and preventing vulnerabilities
Common prevention methods:

    Penetration testing
    Anti-malware software
    Firewalls
    User access levels
    Passwords
    Encryption
    Physical security

Recommended Resources

1.4.1 Threats to computer systems and networks

Network Security – Terminology


1.4.2 Identifying and preventing vulnerabilities

MI6: Mission Alpha


Further Reading…

Extra Resources
Cryptography Challenges by 101Computing.net Symmetric vs. Asymmetric Encryption Enigma – Mission X Challenge

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