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Insight and analysis on the information technology space from industry thought leaders.
Data Migration & Ransomware Defense in the Cloud Era
With cybercriminals becoming increasingly sophisticated, a proactive approach to hybrid cloud security and backup is vital to safeguard against data theft and ransomware.
December 11, 2023
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Enhancing Cyber Resiliency in Hybrid-Cloud Environments
In today's digital era, where the lines between on-premises and cloud environments blur, enhancing cyber resiliency in hybrid-cloud setups has become paramount. With nearly half of all workloads running in the cloud, the complexity of these environments brings unique challenges, especially in data protection and cybersecurity.
Hybrid Cloud Realities: Balancing On-Premises and Cloud Workloads
Hybrid cloud models, which combine public and private cloud architectures with on-premises servers, offer a balanced approach to IT infrastructure. Companies typically retain key services within their data centers while leveraging the cloud for customer-facing services and flexible data storage. However, this ideal model comes with its own set of challenges, particularly in cost, performance, and compliance areas.
Data Retention and Security Challenges in the Hybrid Cloud
Cloud data retention practices have become more flexible compared to on-premises data centers. Despite this flexibility, about 50% of organizations don't keep cloud data for longer than one year, according to Veeam’s 2023 Cloud Protection Trends report. Additionally, there's a misconception that Platform as a Service (PaaS) services, like file shares, don't require backups. This oversight can be critical, as cloud-hosted data faces equal volumes and magnitudes of cyber threats, including ransomware.
The Growing Threat of Ransomware
Ransomware attacks pose a significant threat to hybrid-cloud environments. Veeam’s 2023 Ransomware Trends Report reveals that 85% of surveyed organizations experienced at least one ransomware attack in the previous year. Protecting against such threats is no longer optional; it's essential. The ability to resist ransomware depends heavily on hardening network defenses and providing secure backups as the last line of defense.
Best Practices for Secure Cloud Backup and Recovery
Follow the 3-2-1 Rule: Always have three copies of your data, stored on two different types of media, with one copy kept offsite.
Logical Air Gaps for Backups: In cloud environments, where data is constantly connected to the network, create separation using different accounts, subscriptions, or projects for backups.
Principle of Least Privilege (PoLP): Limit privileges to essential tasks or functions, applying this principle to backup and recovery operations as well.
Immutability Ensures Integrity: Use technologies like write-once-read-many (WORM) to lock down data, making it impervious to tampering or encryption by ransomware.
Encryption to Prevent Theft: Protect backup data from exfiltration using robust encryption methods provided by cloud services.
Monitoring and Incident Response
Continuously monitor your systems for signs of ransomware attacks. Implement security software for threat detection, and prepare a comprehensive ransomware response plan. Automated remediation tools, forensic analysis, and team training on ransomware and cybersecurity incident response are crucial.
Taking Action: Your Responsibility in Data Protection
Remember, the responsibility for data protection starts and ends with you. Public and private clouds offer data security guarantees, but these don't cover data loss due to accidental deletions or malware. Determining appropriate backup policies and securing backup data is essential in the context of hybrid-cloud security.
Conclusion
In summary, securing hybrid and multi-cloud backups requires a combination of prevention strategies and robust remediation policies. With cybercriminals becoming increasingly sophisticated, a proactive approach to hybrid cloud security and backup is vital to safeguard against data theft and ransomware.
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