GCSE
Computer Science
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Introduction to GCSE Computer Science -
1.1 Systems Architecture -
1.2 Memory and Storage -
1.3 Computer Networks, Connections and Protocols -
1.4 Network Security -
1.5 Systems Software -
1.6 Ethical, Legal, Cultural and Environmental Impacts of Digital Technology -
2.1 Algorithms -
2.2 Programming Fundamentals -
2.3 Producing Robust Programs -
2.4 Boolean Logic -
2.5 Programming Languages and Integrated Development Environments
1. Computer Systems
1.4.2 Identifying and Preventing Vulnerabilities
In this lesson, we will provide detailed insights into each prevention method used to safeguard your devices and systems from potential threats. Understanding these strategies is essential for maintaining a robust and secure network environment.
Penetration Testing
Penetration testing is a proactive and controlled approach to identifying vulnerabilities and weaknesses in a network or system. It involves simulating real-world attacks to assess the security posture.
- How it limits the attack: Penetration testing helps organisations discover security flaws before malicious attackers exploit them. By regularly conducting these tests, organisations can implement necessary security measures to address the identified vulnerabilities, thereby reducing the risk of successful attacks.
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Create a free accountPenetration Testing
- Penetration testing simulates real-world cyberattacks to identify system vulnerabilities.
- It helps organisations address weaknesses before malicious actors exploit them.
Anti-Malware Software
- Anti-malware software detects, prevents, and removes malicious software.
- It uses techniques like signature-based detection and behavioural analysis to block known and unknown threats.
Firewalls
- Firewalls control network traffic between trusted and untrusted networks using predefined security rules.
- They help prevent unauthorised access and protect against threats like DoS attacks.
User Access Levels
- User access levels limit what users can see and do based on their roles.
- This reduces the impact of insider threats and limits damage from compromised accounts.
Passwords
- Strong passwords protect accounts from unauthorised access.
- Good password policies and multi-factor authentication help prevent brute-force attacks.
Encryption
- Encryption scrambles data into unreadable ciphertext that requires a key to decrypt.
- It protects data during transmission and storage, keeping it safe even if intercepted.
Physical Security
- Physical security protects hardware like servers and routers from theft or tampering.
- Measures like surveillance and restricted access help prevent physical breaches.