One Article Review
| Source |  AlienVault Lab Blog |
|---|---|
| Identifiant | 8533615 |
| Date de publication | 2024-07-09 10:00:00 (vue: 2024-07-09 17:06:48) |
| Titre | Construire une solide architecture de défense en profondeur pour la transformation numérique Building a Robust Defense-in-Depth Architecture for Digital Transformation |
| Texte | The content of this post is solely the responsibility of the author. LevelBlue does not adopt or endorse any of the views, positions, or information provided by the author in this article. Exploring Defense-in-Depth Architecture security strategy for ICS in the digital transformation era. Today\'s businesses are transforming through integrating IT and OT environments, a shift that\'s enhancing efficiency and unlocking new operational capabilities. Key functionalities like remote access and telemetry collection are becoming increasingly central in this digitally integrated landscape. However, this merger also brings heightened cybersecurity risks, exposing sensitive systems to new threats. To address these vulnerabilities, a defense-in-depth architecture approach is vital. This method layers multiple security mechanisms, ensuring robust protection. Each layer is designed to intercept threats, providing a comprehensive shield against complex cyberattacks and fortifying the organization\'s digital backbone. What is Defense-in-Depth Architecture? Defense-in-Depth Architecture is a strategic approach to cybersecurity that employs multiple layers of defense to protect an organization\'s IT and OT environment. This architecture is designed to provide a comprehensive security solution by layering different types of controls and measures. Here are the five layers within this architecture: Layer 1 – Security Management This layer serves as the foundation of the defense-in-depth strategy. It involves the establishment of a cybersecurity program tailored to support the OT environment. This includes program and risk management considerations, guiding the cybersecurity strategy and influencing decisions across all other layers. It\'s essential for organizations to establish a strong security management layer before implementing other layers. Layer 2 – Physical Security Physical security measures aim to prevent accidental or deliberate damage to an organization\'s assets. This layer includes the protection of control systems, equipment, and intellectual property. It encompasses a range of measures like access control, surveillance systems, and physical barriers, ensuring the safety of both the assets and the surrounding environment. Layer 3 – Network Security Building on the foundation of physical security, this layer focuses on protecting network communications within the OT environment. It involves applying principles of network segmentation and isolation, centralizing logging, and implementing measures for malicious code protection. This layer also considers the adoption of zero trust architecture (ZTA), enhancing security by continuously evaluating authorization close to the requested resources. Layer 4 – Hardware Security Hardware security involves embedding protection mechanisms directly into the devices used within an organization. This layer establishes and maintains trust in these devices through technologies like Trusted Platform Modules (TPM) and hardware-based encryption. It ensures the integrity and security of the hardware, forming a crucial part of the overall defense strategy. Layer 5 – Software Security The final layer focuses on the security of software applications and services that support OT. It includes practices such as application allowlisting, regular patching, secure code development, and configuration management. This layer is vital for ensuring that the software used in the organization is resilient against security threats and vulnerabilities. How to Implement Defense-in-Depth Architecture |
| Notes | ★★ |
| Envoyé | Oui |
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| Tags | Ransomware Malware Tool Vulnerability Threat Patching Legislation Mobile Industrial |
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