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More and more companies are addressing the topic of cloud computing, as it enables even small businesses to achieve complete digitalization with manageable effort and costs.
Is a cloud service useful and what should you consider?
Below is an overview of the most important advantages and disadvantages. This should help you decide whether cloud usage makes sense for your company and what you should definitely pay attention to.
- Advantages of cloud usage
- Cost efficiency:
You don't need to purchase or maintain expensive hardware with large storage capacities. Instead, you only pay for the resources you actually use. This significantly reduces your initial costs. - Scalability:
You can flexibly adapt cloud services to current needs. If demand increases, resources can be quickly scaled up, and reduced again when utilization is lower. This allows you to optimally manage costs and performance. - Flexible access:
If you have employees who work remotely or from home, they can access company data and applications from anywhere, as long as there is an internet connection. - Collaboration made easier:
Multiple people can work on the same documents or projects simultaneously. Changes are synchronized in real time. This improves efficiency and communication within your team. - High availability:
Cloud providers typically operate their services in multiple data centers simultaneously. If one location fails, others automatically take over operations. This results in very high reliability. - Rapid implementation:
New systems or applications can be deployed quickly. This saves time when launching new projects, for example. This increases the speed of innovation. - Automatic updates:
The cloud provider takes care of system maintenance and updates. You don't have to worry about security vulnerabilities or software versions yourself. This significantly reduces your IT workload. - Data Backup & Recovery:
Many cloud services offer automatic backup and recovery functions. This protects your data even in the event of hardware failures or errors. The risk of data loss is significantly reduced. - Cloud platforms foster innovation
by providing access to modern technologies such as AI, machine learning, and big data. You can use these without building your own infrastructure. This helps you implement innovations faster and thus strengthens your competitiveness. - Large data centers are often more environmentally friendly and
generally more energy-efficient than individual company servers. Resources are better utilized and shared, thus reducing overall energy consumption per user.
- Disadvantages of using the cloud
- Vendor lock-in:
Being tied to a specific cloud provider often creates a long-term dependency. Because switching providers later can be technically complex and expensive, companies shy away from this step, even if it would actually make sense. - Migration effort
: Migrating existing systems to the cloud is complex. You have to transfer your data and adapt internal processes. - Data Protection & Compliance:
You must ensure compliance with legal requirements, such as the GDPR. If your data is stored in different countries, this can raise legal issues. This is particularly critical for sensitive data (such as customer data). - Internet dependency:
Cloud services are unusable without a stable internet connection. Outages or slow connections can severely restrict work. This can, of course, impair communication and teamwork. - Ongoing Costs:
Although the initial costs are low, ongoing fees apply. With intensive use, these can be higher in the long run than if you had your own infrastructure. In particular, additional costs for storage, data traffic, or extra features may arise, which weren't always immediately apparent. Therefore, careful cost control is essential. - Security concerns:
Your data is stored externally, which is a potential target for cyberattacks. Even if providers have high security standards, a residual risk remains. Therefore, you need to plan for additional security measures. - Limited control:
You have less direct access to the infrastructure. Decisions about maintenance or changes lie with the provider. This can limit your flexibility. - Performance fluctuations:
Performance can vary depending on the internet connection and network load. Delays can occur, especially during periods of high usage. This is problematic for time-critical applications or collaborative work on a project. - Data migration is difficult.
Transferring large amounts of data to the cloud can be time-consuming and resource-intensive. Migrating between different providers is also often complicated. Mistakes during migration can lead to data loss. - Provider outage risk:
Even large cloud providers are not completely protected from outages. Such disruptions can significantly impact business operations. You are entirely dependent on the provider. - Legal uncertainties:
Differing national laws can complicate data handling. The legal situation is often particularly complex with international cloud providers. Therefore, you should thoroughly familiarize yourself with the regulations. - If you or your employees lack the necessary expertise
to select, implement, and manage cloud solutions, you need external expertise. This will prevent poor decisions that could have negative consequences later on.
How do you find the right cloud?
The right cloud solution depends less on "the best cloud" and more on your company's specific needs. Here are a few pointers to get you started:
Before you compare providers, you should clarify internally:
- Which data and applications do you want to outsource?
(e.g., email, accounting, customer management, project work) - How sensitive is the data?
(e.g., customer data = high data protection requirements) - How many users are there?
(This affects costs and scalability) - How important is reliability?
(e.g., online shop vs. small office)
Which cloud model makes sense?
- Is a cheap and readily available cloud service sufficient for you, one that, for example, "only" provides office tools and storage?
- Do you need a cloud service that guarantees high security because you work a lot with sensitive data?
- Do you want to use a hybrid cloud where critical data remains internal within your company, while the rest is in the cloud?
What about data protection and other legal requirements?
- Are GDPR requirements being met?
- Where are the servers located (EU or worldwide)?
- Are there encryption and access controls?
What are the real costs?
- What are the entry-level prices?
- What are the monthly fees (e.g., costs for storage, users, data traffic)?
- Are there any additional costs (e.g., for backups, support)?
What are the technical requirements?
- Does the cloud work with your existing software?
- Are there any interfaces (APIs)?
- How fast is the access?
Can the cloud grow with your business? Is it:
- technically scalable
- flexibly expandable
- easily integrated
- not a "cost trap"
- doesn't "tie you to" one provider?
Important: Take advantage of the trial period.
Many providers offer free trial versions or pilot projects.
If this option is available, you should first try out whether the cloud service meets your requirements before making a final decision.
Tips
It's difficult to assess how safe, reliable, and useful a provider is. Besides the personal experiences of other users, you could consult tests published online that compare different providers (e.g., Stiftung Warentest or Netzwelt.de ).
While cloud providers' infrastructures are generally very secure, outages-for example, due to a hacker attack, hardware or software failure-cannot be completely ruled out.
Therefore, you should reduce the risks associated with using cloud services by implementing a comprehensive emergency plan to ensure business continuity even in an emergency. You can find out what such an emergency plan should include in our article " Emergency Plan: When the Cloud Suddenly Goes Down . "
The Federal Office for Information Security ( BSI ) has compiled basic information on various aspects of secure cloud usage.
Here you can find comprehensive information on the topic:
- Cloud: Basic knowledge
- Cloud: Risks and security tips
