NETWORKED SYSTEM
SECURITY
TABLE OF CONTENTS
Part 1 - How to minimise security breaches in networked systems.......................................................2
1. Security Policy................................................................................................................................2
How it helps to minimise security breaches:.................................................................................2
2. Application Updates & Patching....................................................................................................2
How it helps to minimise security breaches:.................................................................................2
3. Web Security & Filtering................................................................................................................2
How it helps to minimise security breaches:.................................................................................2
4. Wireless Security............................................................................................................................3
How it helps to minimise security breaches:.................................................................................3
5. Email Security & Filtering...............................................................................................................3
How it helps to minimise security breaches:.................................................................................3
6. Firewalls.........................................................................................................................................3
How it helps to minimise security breaches:.................................................................................3
7. Anti-Virus.......................................................................................................................................3
How it helps to minimise security breaches:.................................................................................4
8. Disaster Recovery..........................................................................................................................4
How it helps to minimise security breaches:.................................................................................4
Part 2 - How users can be authenticated...............................................................................................4
1. What is authentication?.................................................................................................................4
2. How passwords work to authenticate a person.............................................................................5
3. Explain 4 different biometrics to authenticate a person................................................................5
1. Fingerprint scanning..................................................................................................................5
2. Iris scanning...............................................................................................................................6
3. Palm scanning............................................................................................................................6
4. Voice recognition.......................................................................................................................6
Part 3 - Comparison of the security benefits of different cryptography techniques..............................7
1. Detailed explanation of DES and how it works..............................................................................7
2. Detailed explanation of RSA and how it works..............................................................................8
3. Detailed explanation of PGP and how it works..............................................................................8
YONKOV, BOYAN 1