Protection des infrastructures multi-cloud

Cisco Multicloud Defense protège tous vos environnements cloud à l'aide d'un seul plan de contrôle SaaS, éliminant ainsi les solutions ponctuelles inefficaces, complexes et coûteuses.

Simplifiez la sécurité multicloud Gérez la sécurité des clouds publics et privés depuis une interface unique. Définissez, appliquez et mettez à jour vos politiques en temps réel pour tous les clouds. Bénéficiez d'une protection multidirectionnelle La protection du trafic entrant, sortant et est-ouest bloque les menaces entrantes, les attaques de commande et contrôle, l'exfiltration des données et les mouvements latéraux. Gagnez en efficacité opérationnelle Automatisez les constructions sous-jacentes du réseau cloud et intégrez l'infrastructure en tant que code (IaC) pour gagner en agilité, en flexibilité et en évolutivité. Réduisez les risques sans compromettre la conformité Éliminez les failles de sécurité de votre environnement cloud de manière proactive grâce à la détection des ressources en temps réel.

Multi-cloud security encompasses the technologies, processes, and strategies that protect data and applications across various cloud environments. Organizations are increasingly leveraging services from providers such as AWS and Microsoft Azure to enhance the flexibility and scalability of their IT infrastructure. However, each provider follows its own security standards, making it a challenge to manage and secure these environments effectively. The goal of multi-cloud security strategies is to establish unified protection mechanisms that cover all platforms in use. This goes beyond safeguarding sensitive data to ensure smooth operations, regulatory compliance, and protection against potential threats. According to Foundry’s 2024 Cloud Computing Study, 96% of organizations reported significant challenges in implementing their cloud strategies, highlighting the complexity of developing an effective security approach tailored to multi-cloud environments.

While multi-cloud strategies offer numerous advantages such as flexibility and resilience, they also introduce significant security challenges: Increased Complexity: Managing diverse security policies and tools across multiple cloud environments complicates the enforcement of consistent protection measures. Expanded Attack Surface: More platforms mean more potential vulnerabilities that cybercriminals can exploit. Data Management and Compliance: Differing regulations and security standards among cloud providers make legal compliance more difficult. Visibility Issues: Identifying and analyzing security incidents across multiple platforms is challenging without the right monitoring tools. Integration Barriers: Seamlessly connecting security tools and processes across providers requires expertise and resources.

Despite these challenges, there are proven approaches to securing multi-cloud environments effectively. Organizations should focus on the following aspects: Unified Security Policies: Consistent protection across all cloud environments is essential. Automated tools can help enforce policies uniformly and detect violations early. Data Protection through Encryption: Encrypting data at rest and in transit is a critical component of any security strategy. Centralized key management adds an extra layer of control and protection. Identity and Access Management (IAM): An effective IAM system ensures that only authorized users can access sensitive data and systems. Multi-factor authentication (MFA) and a Zero-Trust model are crucial components. Real-Time Monitoring and Threat Detection: Continuous monitoring of all platforms is vital for early threat detection and response. Cloud-native monitoring tools and Security Information and Event Management (SIEM) solutions are valuable resources. Automation and Centralization: Automated processes simplify repetitive tasks such as vulnerability scans, patching, and policy enforcement. Centralized security management provides a unified view of all cloud environments, enabling more efficient incident response.

To maintain robust security in multi-cloud environments, businesses should adopt the following best practices: Regular Security Assessments: Conduct continuous vulnerability scans, penetration tests, and threat analyses. Principle of Least Privilege: Limit access rights to the absolute minimum required to reduce potential attack vectors. Incident Management: Develop detailed response plans for security incidents and regularly practice these protocols. Training and Awareness: Ensure that employees stay informed about current threats and security measures. Securing multi-cloud environments is a multifaceted challenge that requires a well-thought-out strategy and the use of cutting-edge technologies. From encrypting sensitive data to implementing a Zero-Trust model and automating core processes, the right strategies enable organizations to leverage the benefits of multi-cloud solutions without compromising security.

AWS Well-Architected helps cloud architects build secure, high-performing, resilient, and efficient infrastructure for a variety of applications and workloads. Built around six pillars—operational excellence, security, reliability, performance efficiency, cost optimization, and sustainability—AWS Well-Architected provides a consistent approach for customers and partners to evaluate architectures and implement scalable designs.

Oracle Exadata Database Service on Dedicated Infrastructure is protected with encryption of data in transit by default. This ensures that data moving between application and the database is secured from unauthorized interception or tampering. Oracle Database@AWS supports encryption at rest to safeguard sensitive data residing in database files, backups, and configuration files. This protection is enabled by Transparent Data Encryption (TDE), which ensures that data is encrypted whenever it is written to persistent storage and transparently decrypted when accessed by authorized Oracle processes with no customer configuration is required. TDE automatically encrypts tablespaces, redo logs, and undo logs, ensuring that all database data is written to disk in encrypted form and transparently decrypted for authorized users and applications. Oracle Exadata Database Service on Dedicated Infrastructure offers the following data at rest encryption methods: Oracle-managed Key (OMK) Oracle Wallet Customer-managed Key (CMK) OCI Vault Oracle Key Vault (OKV) AWS Key Management Service (AWS KMS)