Traditional network security systems are organized to protect the infrastructure from unauthorized use by applying physical and software based control measures, thus protecting the surrounding endpoints and data centers. This method protects servers and other IT devices from data theft or destruction, as well as attacks on other assets.

As more and more organizations migrate their workloads to the cloud, security policies must continue to evolve and evolve. Cloud computing drives the transformation, resulting in a hybrid architecture, with some of the workloads running in the cloud and others in the on premises facility.

Five effective measures to ensure cloud computing network security

Secure connections are critical to the stability of these environments and the protection of the assets running on them. However, this hybrid architecture also brings new complexity as organizations track activities among highly distributed resources. Therefore, some organizations are looking for ways to embed effective cloud network security protection into multiple levels of their infrastructure.

Cloud computing network security includes all the policies, protections and practices needed to protect infrastructure, systems and data from unauthorized access or abuse (whether intentional or otherwise). The successful cloud network security strategy is based on the traditional network security: protection, detection and response. It also requires organizations to understand the unique issues associated with protecting a mixed on-demand deployment environment. Here are five basic steps to consider:

1. Joint responsibility

Cloud computing covers the traditional boundaries of managing network security. For example, IAAs providers use controls in their physical and virtual infrastructure and rely on best practices to protect the operating environment. Similarly, SaaS providers embed protection in their applications and facilities. But organizations must know that their data should be protected not only in the cloud, but also in the entire operating environment. Given the blind spots that potential vulnerabilities may hide, this is not easy. To this end, cloud computing providers and third-party security providers provide a variety of additional tools (from monitoring software to packet sniffer) to enhance cloud computing network security. At the same time, telecom service providers provide a set of cloud security tools to protect data when it is entered into a mixed environment. Therefore, it must understand all the control providers embedded in its services and identify potential vulnerabilities. This is a dialogue that should take place before any contract is signed.

Secure connectivity is critical to the stability of these environments and the protection of the assets running on them.

2. Software defined access

The best cloud operation requires that security is an integral part of the network. This approach integrates the policy based software definition practices provided by cloud computing into the secure access service edge (SASE). Conversely, SASE relies on a variety of cloud services to protect assets in a mixed deployment environment, including cloud access security agent, secure Web Gateway, firewall as a service, and browser isolation. Zero trust is an important part of secure access service edge (SASE). In this kind of trust, all organizations are considered to be potentially harmful before they are authenticated as secure. Many organizations use zero trust network access (ztna), which masks IP addresses. In order to protect network resources from threats, such as malware running on infected systems, application access is isolated from network access. Applications access authenticated authorized users and devices.

3. Network segmentation

Zero trust network access (ztna) can be combined with network segmentation to enhance the security of cloud computing network. Network segmentation divides the physical network into smaller parts. It departments can use virtualization technology to subdivide the network, so as to create enough accurate network area to support a single workload. These zones act as virtual firewalls to prevent network attackers from intruding into the mixed deployment environment unhindered. Today, advances in automation technology enable organizations to create regions based on changing conditions and established policies, create new regions as the environment expands, and reduce the number of network segments when the environment shrinks.

4. Encryption

The organization shall ensure that data is encrypted both statically and during transmission. Cloud computing providers usually provide encryption services, but it should be noted that not all services are equal. In addition, not every application workload requires the same level of encryption. For example, e-mail may only require transport level protection, that is, messages are encrypted only as they move through the network, rather than end-to-end encryption, which decrypts messages when they arrive at their destination. The former is less secure, but its cost is lower than the latter.

5. Test and response

The key part of effective cloud computing network security is testing to ensure that the right control measures are taken in all the right areas. Penetration testing is conducted between reviews to expose vulnerabilities so that they can be corrected before they are exploited or otherwise compromised. The tests carried out can also relieve some of the pressure in the compliance audit process. Finally, make strategies when violations occur. Retain the response to the event to help mitigate the impact of any attack. Ensure that the organization has a plan to effectively bring the system back online. Automate as much as possible to eliminate human errors and accelerate service recovery. Then check the logs to determine the best way to restore operations.

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