061. OCR A Level (H446) SLR11 – 1.3 Network security threats


About this video

OCR Specification Reference
A Level 1.3.3c

In this video we discuss various network security threats and also a range of methods we can be used to help secure against them, such as: Firewalls, Proxies and Encryption.

Key question:

- What are some of the threats to network security and how can they be mitigated?

00:00 Network security threats
00:08 Intro
00:13 The need for network security
00:44 Security issues and threats: Overview
01:16 Hackers
02:27 Malware
02:55 Malware- Virus
03:19 Malware- Spyware
03:46 Denial-of-service attack (DoS)
05:04 SQL injection
05:28 Social engineering
06:03 Social engineering- Phishing
06:30 Social engineering- Pharming
06:53 Preventing and minimising threats: Overview
07:15 Firewalls
07:55 Secure password systems
08:24 Up-to-date software and anti-malware software
09:02 Proxies
09:38 Encryption
10:06 The cold, hard truth
10:39 Key question
10:49 Outro

Last updated: 22.05.26