Cloud security is a collection of frameworks of policies, technologies, and procedures to protect data, applications, and infrastructure across cloud environments. It gives an understanding of means by which organizations secure workloads, configurations, and identities in a dynamic cloud environment.
As businesses scale applications and/or workloads across hybrid and multi-cloud environments, the attack surface grows considerably. Misconfigurations, threats, and identity-based attacks are among the top factors that contribute to enterprise breaches.
Old-fashioned security measures can no longer cope with these risks and a new strategy is needed. This involves constant monitoring of configuration, access controls, and threat detection before they get out of hand. By adopting cloud security, organizations can safeguard sensitive data, comply with regulations, and foster operational resilience in a cloud environment.
Why is Cloud Security Important for Cloud Data Protection?
Whenever companies suffer security breaches on the cloud, they lose money, time, and resources to the recovery efforts. A cloud breach can lead to significant downtime – applications and data, in the cloud and connected devices and networks can be subject to many threats.
A security system for the in-house network may be handled by an in-house IT team, but always when using data or systems in the cloud, your valuable digital assets are essentially in someone else’s hands. However, a strong cloud security system is essential to reduce the inherent risk that may arise.
Cloud security offers several Advantages, here are some of them:
1. Safer Work Environment at a Distance
Data Accessibility is one of the best cloud computing benefits for your operations. The employee has access to the Internet whenever he or she has an Internet connection and can communicate with the content or systems necessary to perform his or her job tasks. This will provide your company with flexibility and agility.
The issue could come up, though, if employees log into your cloud resources in an unsecure way. For instance, if a person sneaks into a coffeehouse, an all public network might be his sign up. This puts your cloud network at risk of vulnerability by anyone wanting to take advantage of that open and exposed connection.
Additionally, employees using their personal devices, or taking devices from work home, can also be vulnerable to malware. Once they connect to your cloud environment, anything that was infiltrated on their computer or device (malware or Trojans) can infiltrate your cloud system as well.
The only way to protect against these types of attacks on infrastructure is to put in place a strong cloud security system.
Make sure that data is stored more securely
A lot of firms utilize a cloud atmosphere to back information. It’s very easy to get things going in case of a disaster when all you need to do is log in to the cloud and fetch what you need. But, when it is not secure, you may end up downloading corrupted files. These could impact not only your business’ network and devices but customers’ as well if allowed to enter your system.
Cloud data security systems can help protect valuable data from harmful software, organizations or individuals.
Discover Cloud Data Protection in detail
3. Meet regulatory requirements
For some industries, your security policies and practices could mean the difference between being in compliance or not being in compliance with the law. In fact, given current Health Insurance Portability and Accountability Act (HIPAA) and General Data Protection Regulation (GDPR) laws, if you’re not up to date on the latest regulations, you could be endangering truly sensitive data with your lax security system.
A strong cloud security solution can help you prevent a security slip-up from having serious legal ramifications for your company. This is particularly true when one considers that the law enforcers’ job is to look for some sort of culprit when things go wrong. If you experience a security incident, you could find yourself in the middle of the gunfire, facing negative media coverage, court cases and lost investor trust. However, a full cloud-based data security solution might help avoid the issues in the first place.
4. Keep Data in, attackers out
A cloud system without thorough security measures in place can be like a data sieve. There are a multitude of users accessing the network through a variety of devices, and it’s easy to see how this can result in data leakage to the wrong user. Also, an unprotected cloud system presents an easy target for hackers.
A cloud security system is similar to the door in a vault. It holds the important data within, and blocks the unwanted criminals.
What is cloud security?
The evolution of cloud security is a multimodule approach to strengthen overall cyber security in cloud data and applications. A clear, secure cloud security architecture supports these technologies in an interoperable manner to protect workloads, data, and users in hybrid and multi-cloud configurations. Let’s take a look at some of the fundamental elements that enable cloud security to function:
Data security
Data security is the protection and integrity of an organization’s data that is stored in the cloud. This data usually contains the following information:
Company information including confidential and proprietary information
- Intellectual property
- Employee data
- Customer data
Data that is Applied by web Apps
Identity and access management (IAM)
Identity and access management (IAM) is about ensuring that your employees have access to the digital solutions required to carry out their job. Using IAM, you can manage the applications users have access to ensure existing users have the privileges they need and former employees’ access is terminated, which helps control your attack surface.
Governance
Governance involves enforcing internal policies to manage data in a way that protects and enables systems and safeguards sensitive information. For instance, a cloud-based web app that supplies information that the user interacts with when using the app needs a database to store that information, and your organization needs to ensure that the information is safe and secure with the appropriate governance policies.
Business Continuity (BC) and Data Retention (DR)
Business continuity (BC) and data retention (DR) are about having a backup of your data so that, if a disaster, breach or system wipe occurs, your critical systems can be restored. Whether you have a cloud-based business continuity plan or not, it will always be required to preserve business-critical data – as well as data that your core cloud applications rely upon. BC and DR policies are often also used to define the period of time data is stored and to when it may be replaced with newer data for optimal storage.
Legal compliance
Legal compliance focuses on making sure an organization’s data conforms to standards set forth in the laws of the country your company is in, as well as those it may do business with. For example, if your organization works in the healthcare industry, you may have to set up governance rules that conform to the standards of the Health Insurance Portability and Accountability Act (HIPAA).
8 Types of Cloud Security and main Computing Models
Cloud security is a broad field with various specialized tools and practices to protect cloud environments. Here’s a brief overview of some key types of cloud security solutions:
1. Cloud security posture management (CSPM)
CSPM tools automatically track the cloud security posture and can detect and reduce risks from cloud resource configurations. They also offer ongoing compliance monitoring, security assessment and incident response services.
Discover how CSPM security can support organizations in maintaining compliance and avoiding misconfigurations in multi-cloud environments.
2. Cloud infrastructure entitlement management (CIEM)
CIEM solutions are driven at issues of inadequate identity permissions and over-entitlement in cloud environments. They help ensure that only authorized users have access to specific cloud resources as a measure to minimize the risk of data breaches.
3. Cloud detection and response (CDR)
Cloud CDR tools monitor and react to security threats in the cloud. They provide real-time monitoring and alerts and automated responses to potential security incidents.
4. Static application security testing (SAST)/dynamic application security testing (DAST)
Both SAST and DAST are methods for finding security vulnerabilities in the code of the application software. SAST is a white-box approach which was used earlier in the development process to find issues, whereas DAST tests applications for vulnerabilities.
5. The security of infrastructure as code (IaC)
IaC Security is the security and management of infrastructure via code. It enables automated deployment and management of infrastructure, with security settings applied to all before deployment.
6. Cloud workload protection platform (CWPPs)
CWPPs deliver full coverage for workloads on any cloud. They defend against threats, secure data and ensure compliance by securing workloads anywhere they run. This is similar to cloud workload security, which involves learning how to protect workloads and apps in the cloud.
7. Security, orchestration, automation, and response (SOAR)
SOAR solutions streamline the coordination, execution, and management of security tasks and processes. They enable a smoother security workflow and quicker response to incidents.
8. Kubernetes security posture management (KSPM)
KSPM tools are tailored to help secure and monitor compliance of a Kubernetes environment. KSPM tools provides a way for the consistent enforcement of security policies to secure containerized applications.
Dive into Key Strategies to Protect Containers & Kubernetes Across Hybrid and Multi-Cloud Deployment.
There are 3 Primary Cloud Computing Models
Public cloud services: Public cloud is a cloud provided by a third-party vendor. The space on the cloud server is rented to organizations and the third party is responsible for maintenance, security and maintenance of the server. It is made up of software-as-a-service (SaaS), infrastructure-as-a-service (IaaS), and platform-as-a-service (PaaS).
Private cloud: A private cloud is only used by one organisation. The resources and infrastructure is exclusively used by that company. These are generally more expensive, and provide more options for customization and security.
Hybrid clouds: A hybrid cloud is a mix between public and private cloud attributes. On-premise datacenters, virtual datacenters, and instances of public cloud and/or private cloud can be used in a hybrid cloud. Organizations pursuing cloud migration and looking to rapidly scale up their cloud operations without compromising compliance and security standards are more likely to choose a hybrid cloud solution, particularly when moving workloads from on-premise legacy systems to cloud-based platforms.
Securing the Cloud offers five Advantages for Businesses
Cloud security provides some advantages, such as the ability to:
Protect applications and data; have complete visibility into all users, folders and files activity across environments
Identify and minimise threats, such as malware, abnormal user activity and security issues proactively.
- Improve access control
- Establish policies
- Determine and prevent data loss.
- Main applications where good data protection in the cloud matters
These are some of the best use cases for cloud computing security:
Disaster recovery in the cloud: It is the use of cloud storage to safeguard against harmful natural disasters or human threats. With seamless integration to on-premises data protection architecture, cloud disaster recovery enables enterprises to recover data and applications directly from the cloud in minutes.
To meet the long-term storage compliance requirements, this use case presents the public cloud object storage (COS) services backed up data from on-premises infrastructure for long-term storage.
- Cloud backup: There is long-term ‘compliance’ backup in the cloud and short-term ‘operational recovery’ backup in the cloud.
- Cloud backup: This use case features the backup of workloads that are deployed on instances of public cloud virtual machines to cloud storage.
Security issues posed by cloud computing.
- DDoS attacks: Distributed denial-of-service (DDoS) attacks have been growing in popularity. The purpose of an attack is to overwhelm the server of a website with traffic from multiple sources and prevent it from being able to handle the user’s requests. This could render the site useless for long periods of time.
- Data loss: Data may be lost from the cloud due to many reasons. Data can be lost, regardless if anyone is attempting to steal it, due to an accident or natural disaster. Cloud security solutions can also provide protection against unexpected events, as well as help to keep thieves at bay.
- Cloud data breaches: If not properly protected, the data in the cloud is a slow-moving target for the right hacker. Some are thieves who take information and use it for advantage to members of an organization. Some sell it to the organisations who want to find out what a company does. A company’s data can be exposed if it does not have the right cloud security solutions.
- Unbeatable access: Vulnerable access points: the devices through which people interact with the cloud are often unprotected, or under-protected. This means that almost every cell phone, tablet, laptop or other mobile device connected to your cloud network can pose an attack risk for the wrong person or software. But when you have the right firewall, you can restrict access to the right type of traffic.
- Alerts and notifications: Once a security threat is detected, preventing it from doing serious harm is just one of the tasks at hand. A complete system will make sure important stakeholders are notified of the situation. In many cases, the impact of an attack, even after it has been prevented, is due to the time elapsed between when the attack occurs and the IT team’s ability to respond and warn. With a responsive cloud security system, you receive alerts and notifications to anyone who needs them, and in time to do something about them.
Your cloud-based system can be as secure as a personal computer or device in your pocket—or even more secure—with cloud security. You can have the visibility you need, the control to manage your data and systems appropriately and the protection to ensure their safety – particularly in complex, distributed environments where you need to secure your Kubernetes and containers at scale.
That’s why cloud security is important
- Create data protection policies: Every organisation has information that is critical to their operations and requires protection. Identifying what data is most critical and protecting it from unauthorized access is important. Minimizing the attack surface of crucial data can focus your cloud security resources, enabling you to get the most out of them.
- Encrypt sensitive data with private keys: Personalised keys provide an extra layer of protection for sensitive data, even if a determined hacker breaks into a strong username and password. A single factor authentication model is too easily compromised, whether it’s through the use of spyware by an outsider, or by a disgruntled employee gaining access to login details. Multi-factor authentication (MFA) with personalized keys offers increased protection of your system.
- Limit how data gets shared: With multiple users sending data to various people, it can be difficult to pin down who is getting what and how. Sensitive information may be made available without the need to customers, investors and others. With a cloud security system you can ensure that only people who “need to know” have access to sensitive information.
- Don’t let data get to unmanaged devices: Understanding what happens to data once it leaves your cloud is important. A number of unmanaged devices could result in data being shared with the wrong parties. But, with a cloud-based security system, you can ensure that only proper devices are capable of accessing the network.
- Data encryption in the cloud: Encrypting data provides an extra layer of protection. Even if someone is able to get behind a firewall or web filter, the encryption hiding the data can still keep your data safe.
- Test your security system regularly: You may have a strong system, but it’s not until you test it regularly that you’ll truly know. It is recommended that penetration tests be conducted to make it work. This can show you essential areas that you need to fill in with more measures or changes to your security system.
Specially train the needed employees to work with your security system: Employees can be a blind spot for security. They might be at the most noble of intentions, but a minor mistake can ruin your cloud security. Training them on what to do, what not to do, how to manage their access keys, and things to look out for can eliminate potentially costly security breaches.
Cloud security: Making sure that your Data is well-protected
As mentioned, cloud security involves best practices, tools as well as technologies that safeguard businesses against internal and external security threats. According to estimates, the global public cloud services market will exceed $723 billion by the end of 2025, with a significant surge in usage.
With growing adoption of cloud solutions across the board, end-to-end cloud security is essential for combating new threats and guaranteeing compliance and smooth operations.
Fortinet’s FortiCloud offers robust security and security management services. It offers solutions that allow organizations to securely connect, deliver and protect data and applications on-premise and in the cloud.
Talk to Fortinet’s team for additional information.
Yet multi-cloud complexity is opening new security blind spots – a challenge for the future of cloud defense. Download a copy of 2025 Cloud Security Trends.
