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Why Has Cloud Computing Become Essential for Businesses?

Understand what Cloud Computing is, what the different models are, and why it has become extremely important for the competitiveness of companies today, whether they are startups or traditional organizations in the market.
March 9, 2026 by
Why Has Cloud Computing Become Essential for Businesses?
YasNiTech LTDA, Julio Mello

The evolution of the global technological landscape over the past decades has established Cloud Computing not merely as a storage alternative, but as the central engine of digital transformation and competitiveness across all sectors of the economy. What was once seen as an optional innovation is now classified by market analysts as a mandatory component for maintaining commercial relevance. The transition from the local infrastructure model, known as On-Premise, to virtualized and on-demand environments has enabled organizations of different sizes to democratize access to cutting-edge technologies such as artificial intelligence, large-scale data analytics (Big Data), and the automation of complex processes. 

By the end of 2028, Gartner predicts that cloud computing will no longer be treated merely as a technological platform but will become a fundamental business necessity. This paradigm shift is driven by the inability of traditional data centers to keep pace with the accelerated rate of innovation demanded by the digital economy. While legacy systems often act as anchors that limit organizational agility, the cloud provides the elasticity required for companies to scale operations instantly in response to market fluctuations, enabling operational efficiency that would be financially unfeasible in models based exclusively on physical hardware and on-site maintenance. 

In addition, the deep integration between cloud infrastructure and Generative Artificial Intelligence (GenAI) has created a symbiosis in which one technology exponentially enhances the other. Projections indicate that by 2029, approximately 50% of global cloud computing resources will be dedicated specifically to AI and Machine Learning workloads. For established companies, this reality imposes the urgent challenge of modernizing obsolete systems to avoid competitive obsolescence, while for new businesses, the cloud-first model emerges as the gold standard for launching operations with low initial investment and strong scalability potential.

But after all, what is Cloud Computing?


Cloud computing is formally defined by National Institute of Standards and Technology (NIST) as a model that enables ubiquitous access, meaning computing resources are available anywhere and at any time, provided there is connectivity, in a convenient and on-demand manner to a shared pool of configurable computing resources such as networks, servers, storage, applications, and services, which can be rapidly provisioned and released with minimal management effort or direct interaction with the service provider.


This paradigm represents a radical shift in how technology is consumed, moving the focus from ownership of physical assets to the use of digital services.


For a system to be genuinely classified as cloud computing according to international standards, it must exhibit five essential characteristics:

  • On-Demand Self-Service: where the consumer can automatically provision resources.
  • Broad Network Access: allowing use from multiple devices via the internet.
  • Resource Pooling: in which the provider uses a multi-tenant model to serve multiple customers with dynamic resources.
  • Rapid Elasticity: enabling capacity to be increased or decreased as needed.
  • Measured Service: ensuring that usage is monitored and billed based on actual consumption.


Without the combined presence of these attributes, an IT system may simply be virtualized infrastructure, but not truly a cloud environment.


Historically, cloud computing represented a break from the traditional IT model, where companies were required to purchase, install, and maintain physical servers in their own data centers. In that model, capacity planning was an expensive guessing exercise, often resulting in idle hardware or catastrophic resource shortages during demand spikes.


The cloud eliminated this bottleneck by introducing the “as a service” concept, transferring responsibility for maintaining physical infrastructure to specialized providers such as Microsoft Azure, for example. This allows companies to focus exclusively on developing their applications.



Service Models: IaaS, PaaS & SaaS


The architecture of cloud computing is segmented into service models that define the level of control and the division of responsibilities between the customer and the provider.


  • Infrastructure as a Service (IaaS) is the foundation of this pyramid, offering virtualized hardware resources such as computing instances, storage, firewalls, and networking. In IaaS, the provider manages the physical data center and the virtualization layer, while the customer is responsible for installing and managing the operating system, middleware, databases, and applications.


  • Platform as a Service (PaaS) moves one level up the pyramid, providing a complete environment for application development and deployment without requiring the user to manage the underlying hardware or operating systems. PaaS includes development tools, code libraries, database management systems, and Business Intelligence services. It is the ideal model for developers who want to focus solely on writing code and business logic, leaving scalability and platform maintenance to the cloud provider.


  • Software as a Service (SaaS) is the most widely adopted model, delivering fully functional applications directly to the end user through a web browser or mobile applications. In SaaS, the customer does not manage any part of the infrastructure or platform and simply consumes the service through a subscription model.



Cloud Deployment Models


Choosing a cloud deployment model is a strategic decision that depends on each organization’s security, compliance, and flexibility requirements. Below are the main models:


  • Public Cloud: this model provides resources shared among multiple customers and accessed via the internet, operated by major providers such as Amazon Web Services, Microsoft Azure, and Google Cloud. It offers the highest scalability and the lowest entry cost, with approximately 96% of modern companies using at least one public cloud.

  • Private Cloud: dedicated exclusively to a single organization, it can be hosted on-premises or by an external provider. It offers full control over data and infrastructure and is preferred by highly regulated sectors such as finance and telecommunications.

  • Hybrid Cloud: combines elements of public and private clouds, allowing data and applications to be shared seamlessly between them. This model is often compared to a hybrid car, which uses both an electric and a combustion engine to optimize performance. Hybrid cloud enables cloud bursting, where a company uses its private infrastructure for regular workloads and leverages the public cloud only to absorb sudden demand spikes.

  • Multi-Cloud: involves the use of services from at least two different public cloud providers. Unlike hybrid cloud, which focuses on integrating private and public environments, Multi-Cloud emphasizes vendor diversification to avoid vendor lock-in and to leverage the best tools from each platform. Adopting a Multi-Cloud strategy enhances business resilience, as the failure of one provider does not disrupt the company’s entire digital operation.


The Essential Role of Cloud for Startups


For new companies and startups, cloud computing is the great competitive equalizer. In the past, launching a technology-based company required massive investments in servers, software licenses, and network infrastructure, creating a significant barrier to entry for entrepreneurs with limited capital.


With the cloud, this Capital Expenditure (CAPEX) model has been replaced by Operating Expenditure (OPEX), where the startup pays only for what it consumes on a monthly basis. This allows financial resources to be directed toward product development and marketing instead of being tied up in hardware that rapidly depreciates.


Scalability is another major advantage for these emerging companies. A new digital service can grow from ten users to ten million within months if it gains market traction. This is where the cloud becomes critical, enabling infrastructure to scale fluidly and automatically, without the company needing to accurately predict future demand or risk downtime due to resource shortages. In addition, the cloud-first model accelerates innovation by providing immediate access to artificial intelligence APIs, real-time data analytics tools, and global collaboration platforms.


Adopting the cloud also facilitates global talent acquisition. With cloud-based workflow and file-sharing tools, startups can operate with fully remote or hybrid teams, accessing developers and specialists anywhere in the world.


This geographic flexibility not only reduces physical office costs but also fosters a culture of agility and productivity that is essential for success in high-velocity markets.



What About Traditional Companies?


For corporations that have operated for decades, migrating to the cloud is not merely about adopting new tools, but about survival and the modernization of legacy systems. Many of these companies struggle with technical debt, meaning outdated systems, often developed in obsolete programming languages and running on hardware that is difficult to maintain, which consume most of the IT budget just to remain operational.


Maintaining On-Premise infrastructures in 2026 has become a high operational risk, given the scarcity of replacement parts and the difficulty of finding professionals skilled in decades-old technologies.


Modernization strategies typically follow the “6 Rs” framework, allowing companies to choose the most appropriate path for each application:

  • Rehost: move to the cloud without changes
  • Replatform: make minor adjustments to leverage managed services
  • Refactor: rearchitect to a cloud-native model
  • Repurchase: replace with a SaaS solution
  • Retire: deactivate what is no longer useful
  • Retain: keep on-premise for the time being


Refactoring, although requiring greater initial investment, delivers the most significant long-term benefits, enabling native integration with AI, IoT, and advanced analytics, while ensuring virtually unlimited scalability and optimized operational costs.


Traditional Brazilian companies, such as banks and industrial enterprises, are migrating their mainframes to cloud-based microservices architectures to gain the agility required to compete with fintechs and emerging digital players. By modernizing their systems, these organizations not only reduce operational costs, which can decrease by up to 51% compared to On-Premise models, but also significantly enhance end-user experience and data cybersecurity.


Delaying this migration represents a substantial competitive risk, as accumulated technological lag may become impossible to overcome against competitors that already operate in a fully digital environment.



Cloud Computing Data Security


Contrary to the myth that the cloud is less secure than local storage, 94% of companies report an improvement in their security posture after migration.


This is because major cloud providers implement protection layers that would be financially unfeasible for most individual organizations, including end-to-end encryption, advanced Intrusion Prevention Systems (IPS), and continuous monitoring through Security Operations Centers (SOC) operating 24 hours a day.


In Brazil, the Lei Geral de Proteção de Dados (LGPD) imposes strict rules on the collection and processing of personal data, and the cloud provides the necessary tools to ensure compliance. By using secure data centers with international certifications, companies can ensure that data is protected against leaks and unauthorized access.


In the cloud context, compliance follows a shared responsibility model: the contracting company acts as the Data Controller, defining the purposes of data processing, while the cloud provider acts as the Data Processor, ensuring that the technical infrastructure meets the security requirements established by law.


Beyond protection against external attacks, the cloud also facilitates Disaster Recovery and business continuity through immutable backups and geographic redundancy. In the event of a physical failure or ransomware attack, companies can restore operations within minutes from backup copies stored in separate regions.



The Future of Cloud Computing...


Looking toward 2026 and beyond, cloud computing is evolving to support the next wave of technological innovation, particularly Artificial Intelligence and Edge Computing. By 2029, it is projected that half of all public cloud resources will be consumed by workloads related to AI and machine learning.


The cloud provides the computational power required to train Large Language Models (LLMs) and to perform real-time inference, enabling companies to automate everything from customer service to complex supply chain analytics through Agentic AI.


Edge Computing emerges as a vital complement to centralized cloud infrastructure, moving data processing closer to where it is generated, such as IoT devices, factories, and connected vehicles. This reduces latency and bandwidth consumption, enabling instant responses that are critical for applications such as remote surgery or autonomous vehicles. The integration between Cloud and Edge creates an intelligent ecosystem where fast local analytics converges with long-term centralized storage and global model training.


Another strong trend for 2026 is data sovereignty. As geopolitical tensions increase, governments and regulated industries are investing heavily in Sovereign Cloud to ensure that their data remains under local jurisdictions and protected against external interference.


According to Gartner, global spending on sovereign IaaS is expected to reach USD 80 billion in 2026, with significant growth in Europe and Asia. This pursuit of digital autonomy is compelling major global providers to regionalize their operations and offer solutions that comply with each country’s data residency laws while still ensuring access to the most advanced technologies available in the market.


Despite its clear benefits, the cloud journey involves relevant structural challenges. Two-thirds of migration project delays stem from the shortage of professionals skilled in cloud technologies, automation, and container orchestration, as many IT teams historically oriented toward the On-Premise model lack the competencies required for public or hybrid cloud environments. To mitigate this risk, organizations have been heavily investing in internal training initiatives such as the Cloud Center of Excellence (CCoE) and in partnerships with specialized managed service providers.



About YasNiTech


Founded in 2013 by former IBM professionals, YasNiTech is a global technology company with offices in São Paulo, Boston (USA), and Sansepolcro (Italy). Since its inception, it has quickly established itself in the Brazilian market by delivering innovative solutions in fraud detection, loss prevention, and business analytics. 


Over the years, the company has expanded its portfolio, incorporating initiatives in Low-Code platforms, digitization, and process automation. Among its innovations, it introduced the first Multi-Enterprise Business Process Digitalization tool to the Brazilian market, boosting digital collaboration within the supply chain. 


In it's current phase, YasNiTech positions itself at the forefront of Artificial Intelligence, with a special focus on Agentic AI. The company develops intelligent and autonomous solutions that enhance decision-making, operational efficiency, and innovation across multiple sectors of the economy, such as healthcare, pharmaceuticals, logistics, and industry.