7 Cyber Security Layers

In today’s online threats and cyber attacks are a major concern. Therefore, data scientists and cyber security analysts have developed many new technologies and software to protect sensitive information from unauthorised access and hackers. One of these software is a multi-layered approach known as the “7 Cyber Security Layers.”

Here, each layer provides specific aspects of protection, from giving specific guidance to protecting network perimeters and securing data and critical information.

The human layer emphasises training and awareness among employees to mitigate human error and phishing threats. Perimeter security provides the first line of protection against external intervention with firewalls and intrusion detection systems.

• Network security ensures secure communication channels within the organisation using protocols like HTTPS and anti-malware solutions.
• Application security focuses on securing software against vulnerabilities, while endpoint security protects individual devices.
• Data security ensures the confidentiality and integrity of stored data through encryption and access controls.
• Finally, safeguarding mission-critical assets ensures continuity and resilience against potential threats. Understanding and implementing these layers are essential for comprehensive cyber security resilience.

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7 Cyber Security Layers

The seven layers of cyber security are designed to provide comprehensive protection against various threats. These layers include policies and procedures, physical security, network security, perimeter security, endpoint security, application security, and data security. Together, they create a multi-faceted defence strategy to safeguard digital assets and information.

1. Human Layer

The human layer focuses on an organisation’s employees and their vulnerability to cyber threats due to human error or lack of awareness. It includes implementing security awareness training, strong password policies, and multi-factor authentication to protect users against phishing attacks and other social engineering tactics.

2. Perimeter Security Layer

The perimeter security layer acts as the outer protection of a network. It provides technologies such as firewalls, intrusion detection systems (IDS), intrusion prevention systems (IPS), and VPNs to control incoming and outgoing traffic. This layer aims to prevent unauthorised access and protect the network from external threats.

3. Network Layer

The network layer focuses on securing the communication between devices and applications within the network. It uses measures like network segmentation, secure protocols (e.g., HTTPS), and anti-malware solutions to detect and mitigate threats such as unauthorised access and data interception during transference.

4. Application Security Layer

This layer is used to secure software and applications against vulnerabilities that cyber attackers could exploit. It includes practices like secure coding, regular security testing, and the use of application security solutions such as Web Application Firewalls (WAFs) to protect against common threats like SQL and Cross-Site Scripting (XSS).

5. Endpoint Security Layer

The endpoint security layer focuses on protecting individual devices (endpoints) such as computers, smartphones, and tablets that connect to the network. It includes measures like antivirus software, endpoint detection and response (EDR) solutions, and device encryption to detect, prevent, and mitigate threats on endpoints and prevent them from spreading across the network.

6. Data Security Layer

The data security layer ensures the confidentiality, integrity, and availability of sensitive data stored within the network. It employs encryption techniques to protect data at rest and in transit, along with access controls and backup solutions to prevent data loss unauthorised access, and ensure data recovery in case of breaches or disasters.

7. Mission-Critical Assets

This layer focuses on protecting information important to an organisation’s operations and continuity, such as proprietary software, sensitive customer data, and essential hardware. It includes implementing strong security measures like firewalls, access controls, and regular updates to safeguard against potential vulnerabilities and ensure uninterrupted functionality of essential data.

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