Secure Cloud Computing: Worth the Investment?


Amit Founder & COO cisin.com
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Develop A Secure Cloud Computing Environment

Cloud service providers provide services through their always-on Internet connections. Cloud providers use cloud security to ensure client data remains private and secure. Cloud security is partly in the hands of clients. To achieve a successful cloud security solution, it is essential to understand both aspects.

Cloud security is based on the following categories.

  • Data Security
  • IAM stands for Identity and Access Management.
  • Governance (policies for threat detection, prevention and mitigation).
  • Planning for data retention and business continuity
  • Legal Compliance

Although cloud security might seem similar to legacy IT security in some ways, this framework requires an entirely different approach. Let's look first at cloud security.


What is cloud security?

What is cloud security?

Cloud security encompasses all the technologies, protocols and best practices used to protect the computing environment, the applications and the data stored in it. Understanding what is to be secured and the aspects of systems that need to be managed are essential for obtaining cloud services.

Cloud service providers are primarily responsible for developing backends that protect against vulnerabilities. Clients should focus on the proper configuration of services and good usage habits, aside from selecting a provider that is security conscious. Clients should also ensure that all end-user equipment and networks have been adequately protected.

  • Cloud security will protect you from the following threats, regardless of what your role is:
  • Routers, energy, cables, climate control, and so on are examples of physical networks.
  • Hard disks, for example, are used for data storing.
  • Data servers are the core computational gear of a network.
  • Software virtual machines, host computers, and guest machines are all components of computer virtualization frameworks.
  • Operating systems (OS) are programs that operate operating systems.
  • Application Programming Interface (API) middleware (API Management)
  • Runtime Environments - Program execution and maintenance
  • Data is defined as any information that can be saved, accessed, altered, or modified.
  • Apps are typical pieces of software (emails, productivity suites and tax software)
  • End-user hardware includes PCs, smartphones, Internet of Things (IoT) devices, and so on.

Cloud computing allows for a wide range of ownership. The scope of security obligations for clients can be unclear. It's crucial to know how the components are typically grouped, as securing a cloud may look very different depending on which authority controls them.

Cloud computing components can be categorized into two categories:

  1. Third-party cloud service providers offer modules used to build the cloud. You can manage different features of a service depending on its type.
  • At the core of any third-party service, the cloud provider manages the network infrastructure, the data storage servers and the computer virtualization frameworks. It is virtualized on their servers and delivered remotely to clients via their network. It allows clients to access their computing requirements from anywhere using internet connectivity.
  • Software-as-a-Service (SaaS) cloud services provide clients access to applications that are purely hosted and run on the provider's servers. The providers manage applications, data and runtime. They also handle middleware and the operating system. The client is only responsible for getting the application.
  • Platform-as-a-Service cloud services provide clients with a host for developing their applications, which run within a client's "sandboxed" space on provider servers. The providers manage runtimes, middleware and operating systems. The client is responsible for managing the application, data, and access to users, devices and networks of end-users. PaaS examples include Google App Engine and Windows Azure.
  • Infrastructure-as-a-Service (IaaS) cloud services offer clients the hardware and remote connectivity frameworks to house the bulk of their computing down to the operating system. Cloud providers only manage the core services. The client is responsible for securing everything on top of an OS, such as applications, data and runtimes. Clients must also take care of user access and manage end-user device networks. IaaS services include Microsoft Azure (Google Compute Engine), Amazon Web Services, and Google Compute Engine.
  1. Cloud environments refer to deployment models where one or several cloud services are combined into a single system that end users and organizations use. They separate the management duties -- such as security -- into client and provider.

Cloud environments currently in use are:

  • Public Cloud environments consist of multi-tenant services, where clients share a provider's servers with others. This is similar to an office or coworking area. A third party runs them and provides access to clients via the internet.
  • Private Third-party Cloud Environments are built using a cloud provider that gives the client exclusive access to their cloud. An outside provider usually owns, operates, and manages the single-tenant environment.
  • In-house private cloud environments also comprise cloud servers that serve a single tenant but operate from their data centers. This cloud is managed by the company itself, allowing for the complete setup and configuration of all elements.
  • Multicloud environments are multi-cloud environments that use two or more services provided by different providers. This can include a mix of private and public cloud services.
  • Hybrid environments are a mix of public cloud computing and private clouds.

This perspective helps us to understand how cloud-based security may differ depending on which cloud users use. The effects of cloud-based security are felt both by individual clients and organizations.


How Does Cloud Security Work?

How Does Cloud Security Work?

Cloud security measures are designed to achieve one or more goals:

  • Data recovery is possible in the event of a data loss
  • Secure storage networks from malicious data theft
  • Prevent data leakage due to human negligence or error
  • Data and system breaches can be reduced.

Data Security involves the technical side of threat prevention. Providers and clients can use tools and technologies to create barriers that prevent sensitive data from being accessed or viewed. One of these is encryption. The encryption process scrambles the data, so it can only be read by those with access to the encryption key. Your data will become unreadable and useless if it is stolen or lost. Cloud networks also emphasize data transit protections such as virtual private networks.

IAM (Identity and Access Management) concerns the access privileges granted to accounts. This also applies to managing the authentication and authorization of user accounts. Controlling access is crucial to prevent malicious and legitimate users from entering sensitive systems and data. IAM includes password management, multifactor authentication and other methods.

Governance is a set of policies that focuses on threat detection, prevention and mitigation. SMBs and enterprises can benefit from threat intelligence to track and prioritize threats and keep vital systems protected. Even individual cloud users could benefit from policies that encourage safe behavior and proper training. They are primarily for organizational settings but can also be helpful to individual users.

Disaster recovery (DR) measures are part of data retention and business continuity planning. Backups and other methods of data redundancy are central to any DR or BC plan. A technical system that ensures uninterrupted operation can also be helpful. A thorough BC plan should include detailed instructions for employees on recovering from a disaster and frameworks for testing backups.

The main focus is to ensure that users' privacy and rights are protected per the laws. The government has recognized the need to protect user's private information from being used for commercial gain. Organizations must therefore follow rules to adhere to these policies. Data masking is one way to hide identities within data using encryption.

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What Makes Cloud Security Different?

What Makes Cloud Security Different?

Cloud computing has radically changed the way IT security is done. Cloud models may be more convenient, but their constant connectivity demands new security considerations. As a modernized cyber-security solution, cloud security stands apart from traditional IT solutions in several ways.

Data Storage: The most crucial difference is the older IT models relied on onsite storage. For many years, organizations have found building all IT frameworks for custom-tailored security controls difficult and expensive. Cloud-based security frameworks are a great way to reduce costs, but they also take away some of the users' power.

Scaling Speed: Cloud security is also a concern when scaling IT systems. Cloud infrastructures and applications are modular and easy to deploy. This ability allows systems to be uniformly adapted to changes in organizations. Still, it can also pose a problem when the organization's desire for convenience and upgrades outpaces its ability to maintain security.

Interfacing with end-user systems: Cloud systems interface both organizations and individuals. Access permissions must be managed from the device to software and network levels. Users and providers must also be aware of the vulnerabilities they may cause by unsafe system setup or access behaviors.

Proximity to networked systems and data: Cloud systems, which are persistent connections between cloud providers (cloud service providers) and their customers, can compromise the cloud provider. A single device, component or network can infect others. Cloud service providers are exposed to many threats by end users they interact with. The providers of products delivered live on the end user's systems rather than their own will have additional network security obligations.

In order to solve most cloud security problems, users and cloud providers in both personal and professional environments must be proactive in their cyber security roles. Users and providers must address the following issues as part of this two-pronged strategy.

Configuration and maintenance of secure systems.

Safety education for users -- both behaviorally & technically

Transparency and accountability are essential for cloud users and providers to stay secure.


Cloud Security Risks

Cloud Security Risks

What are some of the cloud computing security concerns? If you need to know what they are, how can you implement the proper measures? Weak cloud security exposes users and service providers to various cyber threats. Cloud security risks include:

  • Cloud-based Infrastructure Risks include incompatible legacy IT Frameworks and disruptions to third-party storage services.
  • Human error can pose internal threats like misconfiguration or user-access control controls.
  • Malicious actors almost entirely cause threats from the outside. Examples include malware, DDoS, and phishing.

Cloud computing is a risky business because there needs to be a perimeter. Cloud environments, however, are highly connected. This means that insecure APIs and account theft can be a real problem. Cybersecurity experts must adopt a more data-centric strategy when dealing with cloud computing risks.

The interconnectedness of networks also presents problems. Malicious actors are often able to breach networks using compromised credentials. After a hacker has landed, they can expand their reach and user interfaces that have poor security to find data in different databases. The hacker can use his cloud server to export or store stolen data. Cloud security is not only about protecting your data but also about access.

Both the storage and internet access of data by third parties, as well as their threats, are also present. You may lose access to your data if these services are disrupted. A phone network failure could prevent you from accessing the cloud during a critical time. A power failure could also affect your data centers, potentially resulting in permanent data loss.

These interruptions may have long-term consequences. For some users, recent power failures at Amazon's cloud data center resulted in the loss of data. The servers suffered hardware damage. It is essential to have local copies of some data and apps.

Read More: Cloud Computing: Why It Matters to Your Business: Six Essential Points


How To Deploy Cloud Environments Securely?

How To Deploy Cloud Environments Securely?

Understanding the various components of your cloud stack is critical to understanding cloud security. The multiple layers of the pile - service, identity, application edge, load-balancer, compute, and storage - represent potential targets within your cloud environment.


Five Tips for a Secure Identity Management

Five Tips for a Secure Identity Management

The identity and access management system determines what parts of the cloud stack a user has access to and their permissions to perform specific actions. A compromise is almost inevitable if a malicious actor gains access to systems by using valid credentials.

Consider the following five suggestions to secure your identity management.


1: Require Secure Passwords

Use the longest possible password, passphrase, or a combination of numbers, letters and symbols.


2: Implement Multi Factor Authentication Everywhere

More than a strong password is required. Organizations need multiple layers of security. A second authentication or validation method can provide additional protection for logins.


3: Create Roles with Low Privilege

Allow users to access the fewest accounts and systems possible to allow them to remain productive. It limits any damage caused by mistake or even if an unsavory actor gets access to a user's account.


4: Disable Inactive Accounts

Employees who leave an organization should have their access key and all their systems disabled immediately. Inactive accounts can leave endpoints more vulnerable. They are also not monitored as closely as active accounts.


5: Watch For Suspicious User Behavior Or Compromised Credentials

Real-time machine learning and analytics monitoring can identify fraudulent activity or compromised credentials.


Securing the Compute Layer

Securing the Compute Layer

Organizations should secure their computing layer to ensure the availability of data and systems. This will prevent bad actors from using their power to distribute malware on the internet and in the workplace.

These five tips will help you strengthen your computing layer's security.


6: Upgrade The Operating System

Remove all unnecessary software that increases the surface area of attack. Stay up-to-date with service packs and patch updates.


7: Always Check For Anomalies And Misconfigurations

Automated tools can be used to identify changes in the environment and abnormal behaviors.


8: Enable Secure Login

Individuals can be issued secure shell (SSH ) keys. SSH keys protect assets when they move across unsecure networks.


9: Install Inbound and outbound Firewall Rules

Establish rules that define what data can be sent, received and accessed.

Outbound rules can be challenging to define. However, attackers are likely to try to exfiltrate sensitive information and intellectual property.

The firewall rules should be set up at the application level, not the network or transport layer (IP address and port). This will stop attackers from piggybacking on open ports, such as DNS (domain name system) port 53.


10: Use Only Trusted Images

Use images that you have created yourself or those from trusted providers like AWS and Microsoft Azure. Use pictures only from Stack Overflow and other trusted sources.


Secure Storage

Secure Storage

When attackers gain access to the data storage layer, they may be able to delete entire buckets and blobs.

Six tips for securing your cloud storage.


11: Manage Data Access

You can centralize permissions for storage by using access control lists and identity and access management policies (IAM). Organizations can use security policies to grant or deny access based on accounts, users, or certain conditions, such as the date, the IP address, or if it was a Secure Sockets Layer encrypted session.


12: Classify Data

Data should be automatically classified to determine what data type is being stored and in which location. Data classification policies must match security policies. Any violations of these policies will be flagged and automatically remedied.


13: Encrypt, Encrypt, Encrypt!

Secure data both in transit and when it is at rest. Cloud storage metadata can be unencrypted, and organizations should not store sensitive data in it.


14: Versioning and Logging enabled

When something goes wrong, versioning allows businesses to restore and preserve data. When versioning is enabled, organizations can recover data by using an earlier version in the event of a data loss due to a security threat or software failure.

If someone gets into your system, you can audit the access by keeping logs.


15: Don't allow deleting rights (or require MFA to delete)

In their cloud infrastructure, organizations should create roles that prevent users from deleting data. Cloud storage solutions often have a feature that demands MFA before deleting any versions of the data in storage.

Read More: Cloud Computing Benefits And Challenges - Detail Guide


16: Always Check For Anomalies And Misconfigurations

Automated tools can be used to identify misconfigured permissions and storage settings, as well as abnormal file access behaviors.


Protect Your Cloud Services

Protect Your Cloud Services

You need to concentrate on cloud security after you have secured your perimeter and implemented intelligent policies.


17: Use Source Control

Source control is a great way to protect versions, builds, and deployments. It will help to reduce the amount of code on your system and the number of potential attacks.


Cloud Security: Why it is Important

Cloud Security: Why it is Important

In the 90s, both business data and personal information were stored locally. Security was also local. The data would reside on the internal storage of a home PC or on company servers if you were employed by a business.

Cloud technology is forcing everyone to reconsider cyber security. Cloud technology allows your data to be shared between remote and local systems and is always accessible via the internet. You can access Google Docs from your phone or use Salesforce to manage your clients. It is, therefore, more challenging to protect it than it used to be when you were trying to stop unauthorized users from accessing your network. It is necessary to adjust some IT practices in order to secure the cloud, but this has become increasingly important for two reasons.

  1. The cloud is a convenient alternative to security: It's becoming more popular for workplace and personal use. The adoption of new technologies has been accelerated by innovation, which is faster than the industry's security standards. This puts more pressure on both users and service providers to take into account accessibility risks.
  2. Multi-tenant and centralized storage: All components -- including core infrastructure and small data such as emails and documents -- are now accessible remotely via 24/7 web connections. This data collection on the servers of major service providers could be dangerous. Now, threat actors are able to target multi-organizational large data centers in order to cause massive data breaches.

Privacy Concerns With Cloud Security

Privacy Concerns With Cloud Security

The legislation has been implemented to protect users against the sharing and sale of sensitive information. The General Data Protection Regulation and the Health Insurance Portability and Accountability Act each have their duties in protecting privacy and restricting how data is stored and accessed.

For GDPR compliance, identity management techniques like data masking were used to separate identifiable characteristics from user data. To ensure HIPAA compliance for healthcare organizations, they must also make sure their providers are doing their part to restrict data access.

The CLOUD Act gives cloud service providers the right to set their own limits, even if it means compromising user privacy. US federal law allows federal-level law enforcement now to request requested data from servers of cloud providers. This may enable investigations to be conducted more effectively, but it may also circumvent certain rights to privacy and lead to abuses of power.


How to Secure the Cloud

How to Secure the Cloud

There are many things you can do in order to secure your data. We'll explore some popular methods.

Encryption can be used to protect your cloud computing system. You can use encryption in several ways, which may or not be provided by the cloud service provider.

  • Communications encryption the entire cloud.
  • Encryption of data that is particularly sensitive.
  • Encryption from end to end for all data uploaded in the cloud.

Data is at greater risk of being intercepted in the cloud when it's on the go. It's at stake when it moves between storage locations or is transmitted to an onsite app. End-to-end encrypted cloud storage is, therefore, the most secure solution. End-to-end encrypted communication is never accessible to anyone without the encryption key.

Either you encrypt the data before it is stored on the cloud, or you use a service that encrypts the data for your benefit. If you only use the cloud for non-sensitive information such as videos or corporate graphics, then end-to-end encrypted data might not be necessary. For financial or confidential information that is commercially sensitive, end-to-end encryption may be overkill.

Remember that if you use encryption, the management of encryption keys in a safe and secure manner is essential. It is best to keep a backup of your encryption keys and not in the cloud. It's a good idea to regularly change the encryption keys so that anyone who gains access will not be able to use the system.

Configuration can be a powerful tool in cloud security. Cloud data breaches are often caused by elemental weaknesses such as configuration errors. You can reduce your risk of cloud data breaches by preventing these errors. Consider using an independent cloud security solution provider if you are not confident in your ability to do this.

You can use these principles:

  1. Do not leave default settings unaltered: By using default settings, hackers can gain access to your system. This will complicate the hacker's access to your system.
  2. Do not leave an open cloud storage bucket: A bucket that is left open could be accessed by hackers simply by clicking on the URL.
  3. Use the security controls provided by your cloud provider. Selecting the wrong security features can be dangerous.

Cloud implementations should include basic cyber security guidelines. Cybersecurity standards should be noticed, even if the cloud is being used. If you are looking to stay as safe as possible on the internet, then it's worth taking into consideration these tips:

  • Create strong passwords: By using a combination of numbers, letters and special characters in your password, you will be making it more difficult for others to guess. Avoid apparent options, such as replacing an S symbol with the $ symbol. Your strings should be as random as possible.
  • Use password managers: With a password manager, you can create separate passwords for each service, application and database that you are using, so there is no need to keep track of them. You must protect your password manager by using a strong password.
  • Protect your devices: You use it to access cloud data, including mobile phones and tablets. Your data could be synced across multiple devices. This puts your digital footprint in danger.
  • Regularly back up your data: to ensure that you are able to restore all of your data in case there is a data loss or cloud outage. This backup can be done on your PC at home, an external drive or cloud to cloud, provided that the cloud providers do not share infrastructure.
  • Modify Permissions: To stop any device or individual from accessing all of your data unless necessary. Businesses will, for example, do this by modifying database permissions. Use guest networks to connect your kids, IoT and TV devices. Keep your "access to all areas" pass and use it for yourself.
  • Only access your data via public WiFi: Especially if the network uses strong authentication. Use a VPN to secure your cloud gateway.

File Sharing And Cloud Storage

Security risks in cloud computing can impact everyone, from consumers to businesses. Consumers can, for example, use cloud computing for email, office apps, and tax forms.

Consider thinking about how you will share your cloud data, especially if you are a freelancer or consultant. Sharing files via Google Drive or any other service you use to collaborate with clients is a simple way to do so. However, it is essential to ensure that permissions are correctly managed. You will need to make sure that clients can't see or change each other's files or directories.

Many of the cloud services that are available do not encrypt your data. You will have to encrypt your own data before uploading it if you wish to protect the information. Then you will need to provide your client with a password. Otherwise, they won't have the ability to view their files.

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Conclusion

When choosing a provider of cloud security, you should consider the level of protection. It's not just you who is responsible for your own cyber security. Cloud security providers must also do their part to create a safe cloud environment and take responsibility for the protection of data.

Cloud companies will not give you blueprints for their network's security. It would be like a bank giving you the details about their vault, including the combination to the safe.

Getting the answers to some simple questions will give you more confidence in your cloud assets. You will also be able to determine if your cloud provider is appropriately addressing obvious security risks. Ask your cloud provider the following questions.

  • Audits for Security: Do you regularly conduct external audits on your security?
  • Segmentation of Data: Is the customer information logically separated and segmented?
  • Encryption: "Is our data encrypted? Which parts are encrypted?"
  • Retention of Customer Data: What policies do you have in place for the retention of your customers' data?
  • Retention of User Data: Is the data adequately wiped out if you leave your cloud services?
  • Access Management: How are access rights managed?

It is also essential to read the terms of service provided by your provider. It is important to read the TOS in order to understand if what you receive matches your needs and wants.