The ban on 1C in Ukraine has forced thousands of companies to reconsider a question that previously seemed purely technical: where and how to securely protect corporate data. Today, this is a matter of business security in the literal sense: it affects financial reporting, customer base, inventory levels, and payroll information. Transitioning to a new ERP system is not just a change of interface, but a moment to reassess whom you trust with your data: a cloud provider or your own server.
This decision determines not only the implementation budget but also who is responsible for backups, who sees the employee activity log, and what will happen to the data if the office is without power for a week. In this article, we will explore how cloud deployment of Odoo differs from a dedicated server, what security mechanisms are built into the system itself, and how to make a choice that you won’t regret in the future.
What has changed after the ban on 1C for Ukrainian businesses
The ban on the use of 1C products in Ukraine has forced companies to migrate to alternative ERP systems in a short time. For many, this process occurred alongside other wartime challenges: relocating offices, unstable energy supply, and the risk of physical damage to server equipment.
In these conditions, the question of "where the company's data is physically stored" has ceased to be a formality from the IT department and has become a guarantee of business continuity. A company whose server is located in an office without backup power or a secure data center risks losing access to accounting at the most critical moment. Therefore, the choice between the cloud and a dedicated server should now be made consciously, rather than by inertia "as it was with 1C."
Cloud or dedicated server: what is the fundamental difference?
Cloud deployment (SaaS / Odoo Online)
The company's data is hosted on the provider's servers — either Odoo itself or a certified partner. The company does not purchase or maintain hardware, nor does it keep a separate system administrator for the server, but instead receives updates and backups "out of the box."
Advantages: quick start, lower initial costs, access from anywhere in the world, automatic backups and security updates on the provider's side, resilience to local power outages or physical damage to the office.
Limitations: the company depends on the provider's conditions regarding the location of data centers, and for some industries (e.g., defense industry or public sector), regulatory requirements may explicitly prohibit storing certain categories of data outside of their own infrastructure.
Dedicated server (local / On-Premise)
Data is physically located on equipment owned and managed by the company itself — in the office or in a rented rack at a data center.
Advantages: complete control over physical access to data, the ability to meet narrow industry security requirements, and independence from third-party providers.
Limitations: the company is solely responsible for backup, security updates, physical protection of equipment, and payment for the work of the specialist who supports it. Any administration error becomes a risk for the company, not the provider.
How security is structured within Odoo — regardless of hosting
Regardless of where the server is physically located, Odoo itself has powerful built-in data access control mechanisms that do not need to be purchased separately.
Access levels and rights segregation. In Odoo, each user is assigned a role with a clearly defined set of actions: who sees financial reports, who edits inventory balances, and who has the right to approve payments. This is a basic architectural system — segregation is achieved at the module, document, and even individual field level.
Audit Trail— a log of changes made retroactively. One of the key security requirements for financial accounting is the impossibility of silently correcting figures after the period has closed. In Odoo, this task is handled by the Audit Trail module, which records every change in documents: who, when, and what exactly was edited. In practice, this module is most often requested by companies transitioning from 1C and seeking transparent control.
Encryption and backup. Data is transmitted over a secure connection, and backups are created on a schedule and stored separately from the main database. The only difference is who controls this process in practice: in the cloud, it is the provider's responsibility, on your own server — your team's or contractor's.
From practice: when security is not an option, but a strict requirement
The highest security requirements we encountered during implementation for defense manufacturing companies arose when the team rapidly expanded and needed clear control over every component purchase. In such projects, the question of "cloud or server" was resolved not for convenience but for compliance with the industry's strict regulatory standards: access was configured so that every action involving sensitive data was personalized and immutable after being recorded. This is a vivid example of how the choice of deployment model becomes part of the company's compliance.
In comparison, in projects for large retail chains (for example, with hundreds of stores and thousands of employees), the priority is not so much maximum data isolation as it is the stability of access for a huge number of users simultaneously and the ease of scaling — here the cloud model looks the most organic.
This proves the main point: there is no universally 'correct' answer. There is only the correspondence of the hosting model to the real risks and requirements of a specific industry.
Checklist: how to choose between the cloud and your own server
Industry and regulatory requirements.The public sector, defense industry, and some financial companies may have direct legislative restrictions on data location — check this before choosing a model.
Availability of your own IT resources. If there is no dedicated system administrator in-house who consistently handles backups and server cybersecurity, the cloud completely alleviates this headache.
Stability of office infrastructure. Frequent power outages or risks to the physical premises are a significant argument in favor of the cloud (or a backup data center for your own server).
Scale of the business. Rapid team growth is much easier to ensure in the cloud — you won't have to buy 'hardware for growth'.
Budget (CAPEX vs OPEX). An own server requires significant upfront investment (capital expenditures), while the cloud operates on a predictable monthly subscription (operational expenses).
Common mistakes when migrating from 1C
Companies thatmigrate from 1C,often carry over the habit of keeping the server 'on hand' to the new system, because it is so familiar. But this is not always justified: 1C has historically been associated with on-premise due to the technical features of past years, not because it is objectively safer.
Another common mistake is underestimating the real cost of maintaining your own server in the long term. Administration, security updates, equipment protection, and rack rental are often not included in the initial budget, and later turn into a hidden and significant expense.
Data security in Odoo does not blindly depend on whether it is cloud-based or on your own server; it is guaranteed by a reliable system architecture: rights segregation, an audit log, encryption, and regular backups. The hosting model should be chosen based on the specifics of your industry, legal requirements from regulators, and the actual IT capabilities of the company, rather than out of habit from old software.
Ready to figure out which deployment model is perfect for your business?Leave a request — we will show you in a demonstration, how access control works in Odoo, and help you choose a secure solution for your tasks.