Qualysec

cloud network security

What is Cloud Network Security
Cloud security

What is Cloud Network Security?

As businesses increasingly migrate to the cloud, the need for robust protection grows. Without proper safeguards, risks such as data breaches, ransomware attacks, and unauthorized access loom large over cloud-based systems. Enter Cloud Network Security, a critical framework of strategies and tools designed to secure the infrastructure, data, and services within a cloud environment.  This blog will explain what Cloud Network Security is, why it matters, and the best practices to protect your information in the cloud. By the end, you’ll have actionable insights to help safeguard your network.  Cloud Network Security: What it is?   Simply put, Cloud Network Security refers to the measures used to protect cloud environments from unauthorized access, breaches, and other cyber threats. It blends traditional methods, like firewalls and encryption, with modern, cloud-specific tools like Zero Trust models and AI-enhanced monitoring.  Cloud infrastructure spans multiple services, from storage and virtual machines to APIs and SaaS platforms. Securing this network means defending every access point and flow of data throughout the system. The challenges? Processes need to remain seamless for users while being robust enough to thwart malicious actors.  “Learn more about comprehensive strategies in our guide on Cloud Penetration Testing to identify potential vulnerabilities.” Core Elements of Cloud-Based Network Security  When we talk about protecting a Cloud Security Network, we use several essential tools and practices, including:  These layers of security form the basis of a strong and defendable cloud network.    “Explore our dedicated Cloud Security VAPT services to enhance your defenses further. Why Is Cloud Network Security Important?  Cloud adoption is surging. A study by Gartner forecasts that global spending on public cloud services will hit $600 billion by 2023. While the advantages of scalability, efficiency, and flexibility are undeniable, organizations must address the inherent risks of operating in a shared digital environment. Here’s why Cloud Security is vital to success in the cloud space.  1. Threat Landscape in the Cloud  Migrating to the cloud introduces unique risks. Threat actors often target vulnerable configurations or use techniques like phishing and credential stuffing to exploit cloud systems. Data breaches, for instance, cost companies an average of $4.35 million annually, according to IBM’s 2022 report. Without strong Cloud Network Security measures, such exploits can devastate businesses financially and reputationally.  2. Compliance and Regulatory Requirements  Many industries, such as healthcare (HIPAA) or finance (PCI DSS), mandate strict data protection standards. Businesses operating in the cloud must ensure that their Cloud Security Network complies with these regulations to avoid hefty fines or operational disruptions.  3. Protecting Sensitive Data & Applications  For businesses that handle sensitive data or critical applications, the cloud offers both opportunity and vulnerability. A robust Cloud Network Security strategy safeguards intellectual property, customer information, and operational continuity, ensuring trust and reducing downtime.  Key Features of Effective Cloud Network Security  Developing strong Cloud Network Security requires more than just firewalls or anti-virus software. Below are the integral pillars of a comprehensive approach.  1. Zero Trust Security Model  Zero Trust operates on the principle of “never trust, always verify.” It assumes that neither users nor devices are automatically secure and enforces strict identity verification and continuous monitoring.  2. Data Encryption  Encrypting data both at rest and in transit ensures that sensitive information is useless to anyone without the corresponding decryption key. Modern encryption algorithms are essential to securing everything from backup files to communication between applications.  3. IAM (Identity and Access Management)  IAM solutions help enforce access controls across your Cloud Security Network. Limiting access based on job roles ensures that no one interacts with resources they don’t need. Tools like single sign-on (SSO) and multi-factor authentication (MFA) significantly strengthen IAM frameworks.  4. AI-Powered Threat Detection  AI-driven tools can monitor large-scale cloud operations in real time, detecting anomalies faster than human teams. These systems often preempt threats by recognizing suspicious patterns or behaviors.  Essential Best Practices for Cloud Network Security  Now that we have explored the importance and components of Cloud Network Security, here are actionable tips to enhance your cloud security.  1. Implement a Robust Backup Plan  Data loss and ransomware attacks highlight the importance of backups. Ensure that automated backups occur frequently and store them in secure, separate environments.  2. Stay Updated on Cloud Misconfigurations  One of the biggest vulnerabilities in cloud environments is human error. Misconfigured servers, open databases, and incorrect IAM settings can expose sensitive information. Regular audits can help identify and mitigate these risks.  “You might like to explore: Cloud Security Audit services. 3. Perform Regular Penetration Testing  Simulating cyberattacks on your Cloud Security Network reveals vulnerabilities before attackers can exploit them. Work with ethical hackers or cybersecurity experts to conduct penetration tests.  4. Train Your Team on Security Awareness  A secure cloud environment relies heavily on the human element. Regular cybersecurity training ensures your team knows how to handle phishing attempts, strong password management, and other security protocols.  Cloud Network Security Myths  Amid rapid technological change, several misconceptions about Cloud Security persist. Here are some common myths and why they don’t hold up in practice.  Myth 1: My Cloud Provider Handles Security  Truth: While cloud service providers like AWS or Azure offer a secure infrastructure, protecting applications, configurations, and data within that infrastructure falls to you. This concept is known as the shared responsibility model.  Myth 2: On-Premises Systems Are Safer Than Cloud  Truth: On-premises environments aren’t inherently safer. Cloud solutions often include cutting-edge security features and scalability benefits that can outmatch legacy systems.  Myth 3: Encryption Slows Performance  Truth: Modern encryption methods have minimal impact on performance. With advancements in technology, encrypting your data is now seamless and efficient.  Protecting Your Cloud Network with QualySec When it comes to securing your cloud network, expert evaluation can make all the difference. That’s where QualySec steps in. “Learn more in our detailed guide to cloud security testing!”   Latest Penetration Testing Report Download How to Begin Your Cloud Network Security Journey? The first step is identifying the gaps in your existing cloud security network and addressing them immediately. Schedule

What Is Infrastructure Security in Cloud Computing
Cloud security, Infrastructure Security

What Is Infrastructure Security in Cloud Computing?

Cloud computing has revolutionized business operations, offering flexibility, scalability, and cost-effectiveness. But as organizations move their critical workloads to the cloud, securing the underlying infrastructure becomes more important than ever. This is where infrastructure security in cloud computing comes into play.   Whether you’re a developer managing cloud-hosted applications, an IT manager overseeing a hybrid environment or a business leader looking to protect sensitive data, understanding infrastructure security is key to maintaining trust, continuity, and compliance in the cloud. This blog will break down what infrastructure security means in cloud computing, why it matters, and how you can implement best practices. What Is Infrastructure Security in Cloud Computing?  Infrastructure security in cloud computing refers to the measures and strategies put in place to protect the foundational systems of your cloud environment. These systems include the hardware, software, networking components, and virtualization layers that enable cloud services.    Unlike traditional on-premises data centers, cloud infrastructures often exist on shared physical servers hosted by third-party providers (e.g., AWS, Microsoft Azure, Google Cloud). While providers ensure the physical security of their data centers, users are responsible for securing their cloud configurations, workloads, and applications.   Infrastructure security involves addressing threats such as unauthorized access, data breaches, malware, service disruptions, and insider attacks.    Key components of infrastructure security in cloud environments include: Now that we have defined infrastructure security, let’s explore why it is so important.  Latest Penetration Testing Report Download Why Is Infrastructure Security Vital in the Cloud? Security issues in the cloud aren’t hypothetical. Below are some reasons why protecting infrastructure is mission-critical for any business moving to or relying on cloud services: 1. Shared Responsibility Model  Cloud providers like Amazon Web Services (AWS) adhere to the shared responsibility model, meaning security duties are split between the provider and the customer. The provider ensures the security of the cloud (e.g., physical servers and storage), while customers are responsible for securing what they host in the cloud (e.g., apps, data, configurations). Lacking comprehensive infrastructure security practices puts your part of the model at risk.  2. Cloud’s Massive Attack Surface  The flexibility of cloud environments makes them attractive to attackers. Misconfigured servers, outdated software, and exposed APIs (application programming interfaces) can introduce vulnerabilities. For example, IBM’s 2022 X-Force Threat Intelligence Index reports that cloud misconfigurations caused over 15% of all data breaches, which is a stark reminder that vigilance is key.  3. Compliance with Regulations  Organizations in heavily regulated industries (e.g., healthcare, finance) often handle sensitive data subject to legal requirements like GDPR, HIPAA, or PCI DSS. Poor infrastructure security practices could result in non-compliance fines and reputational damage.  Infrastructure security forms the backbone of maintaining all three pillars of cybersecurity – confidentiality, integrity, and availability (CIA) – in the cloud.  Best Practices for Securing Your Cloud Infrastructure  A robust Cloud computing security plan involves proactive planning, reliable monitoring, and effective tools. Below are 7 significant practices to help secure your cloud-based environments. 1. Use Secure Configurations from the Start  When implementing any cloud infrastructure, it’s critical to start with a strong foundation. Misconfigurations are a leading cause of vulnerabilities in the cloud.  Tips for Secure Configurations: Always follow cloud service providers’ (CSP) configuration guides. Automate configurations using infrastructure-as-code (IaC) tools like Terraform or AWS CloudFormation. Conduct regular configuration reviews to adjust as needed. A simple oversight in setup, such as leaving storage buckets public, can expose sensitive data to external threats. Addressing configurations early minimizes risks later. 2. Implement Network Security Measures  The network layer is a common entry point for attackers, making cloud network security an essential aspect of cloud infrastructure protection.  Strategies for Network Security: Use firewalls: Employ cloud-native firewalls like AWS Web Application Firewall (WAF) or Azure Firewall to block malicious traffic. Enable virtual private clouds (VPCs): Isolate workloads in unique network environments. Implement load balancers: Prevent traffic overloads and provide redundancy. Restrict inbound traffic: Use access control lists (ACL) and network segmentation to limit unnecessary access. A well-protected cloud network blocks potential intrusions before they reach critical workloads. 3. Encrypt Data in Transit and at Rest  Encryption serves as a critical defense mechanism in cloud environments, protecting data from unauthorized access—even if intercepted by attackers.  Encryption Best Practices Include: Use SSL/TLS protocols for data in transit. Employ cloud-native encryption services (e.g., AWS Key Management Service, Azure Key Vault). Store sensitive data only when necessary, and delete obsolete data promptly. Encrypting both your active (in-transit) and stored (at-rest) data ensures an additional layer of security against breaches. 4. Identity and Access Management (IAM)  Proper identity and access management are critical to ensure that the right individuals have access to the right resources—and nothing more.  IAM Practices to Deploy: Use multi-factor authentication (MFA) for all users. Follow a least privilege rule, granting users only the access necessary to perform their tasks. Rotate credentials and secure API keys using centralized tools. Organizations that neglect IAM practices inadvertently increase their risk of insider threats or unauthorized access. 5. Perform Regular Monitoring and Vulnerability Scanning  Ongoing monitoring of your cloud infrastructure security is key to identifying vulnerabilities before they are exploited.  Tools and Practices for Optimal Monitoring: Implement cloud-native monitoring tools, such as AWS CloudWatch or Azure Monitor. Perform regular vulnerability assessments with tools like Tenable, Qualys, or Nessus. Use a Security Information and Event Management (SIEM) solution to detect anomalous activities across integrated systems. Through constant vigilance, businesses can act on potential threats in real-time before they escalate into significant breaches. 6. Build Robust Incident Response Plans  Even with the strongest preventive measures, incidents may still occur. A well-prepared response ensures your organization can act swiftly to minimize damage.  Key Elements of an Incident Response Plan: Define the roles and responsibilities of team members during incidents. Create system backups for quick restoration. Test and refine the incident response processes through simulated events. Proactive planning enables businesses to recover faster, reducing financial and reputational damages during cyber incidents. 7. Use Cloud Provider Security Features  Major cloud providers like AWS, Microsoft Azure, and

Cloud Security Providers
Cloud security, Cloud Security Testing

Top 20 Cloud Security Vendors in 2025

Cloud security vendors function in the context of cloud computing, where many security companies offer end-to-end services securing SaaS applications, providing security for the network, and protecting on-premises workloads and data centers.    Using application programming interfaces, certifications, and advanced capabilities, these platforms mitigate the risk posed by a cyberattack, give priority to data protection, and provide email security that keeps malware out of the public cloud.     In this blog, we will discuss the top 20 cloud security vendors in 2025. List of Top 20 Cloud Security Providers  Here is the list of the 20 best cloud security providers: 1. Qualysec Qualysec specializes in cloud-based security and compliance solutions. They offer continuous monitoring and vulnerability management from a single platform. What sets Qualysec apart from other vendors is its combination of cloud penetration testing and the methodology it follows in cybersecurity and cloud security.  They do not limit themselves to identifying vulnerabilities; they instead go ahead and provide complete application security for the same. They work with organizations to identify the unique needs they have.  Popular Products: Qualys CloudPlatform, Vulnerability Management, Web Application Scanning. Why Choose Them: Simplifying compliance and risk management.  Latest Penetration Testing Report Download 2. ManageEngine Log360 A single-platform security information and event management solution (SIEM) will assist you in detecting, investigating, and responding to security threats on your network using ManageEngine Log360.  Why You Should Choose ManageEngine Log360: ManageEngine Log360 is one of the premier players in the cloud security vendor arena due to its capabilities for strong threat detection. This product provides real-time event correlation whereby you can detect and respond to security threats in real time. It has built-in CASB features. 3. Dynatrace This is a powerful application monitoring solution that guarantees that every layer of an application is monitored and tuned. It is invaluable to developers and operations teams in maintaining application health and performance.  Why You Should Choose Dynatrace: Dynatrace boasts comprehensive features related to full-stack monitoring. Nothing can fall through the cracks because Dynatrace monitors all layers of the application infrastructure.  4. Sumo Logic: Leveraging analytics power, Sumo Logic provides real-time security insight that gives an edge over competitors. With proper data analysis, organizations can make strategic decisions regarding their security posture and potential threats.  Why You Should Consider Sumo Logic: When looking for a solution that offers an intersection between analytics and security, Sumo Logic stands as a very strong option. It is very good at taking large data sets and turning them into actionable security insights.  5. Orca Orca is a cloud security solutions focused entity that concentrates on providing accurate vulnerability scans for cloud environments. In particular, it conducts these scans without agents, thereby providing lower friction and a cleaner environment in the cloud. Why You Should Choose Orca: Orca’s agentless methodology towards vulnerability scanning is what sets Orca apart, resulting in fewer changes to the environment being targeted. This feature, combined with their stringent security scans, led to the conclusion that Orca is indeed ‘best for’ agentless cloud vulnerability scanning. 6. Forcepoint Cloud Access Security Broker Forcepoint CASB is designed to safeguard data in multiple cloud applications so that sensitive data is not compromised by the cloud environment. Its flexibility allows companies to use cloud applications without compromising data integrity. Why You Should Choose  Forcepoint: In deciding on tools for data protection in cloud applications, Forcepoint CASB is the one that stands out. Its dedication to protecting data in a range of cloud platforms was appealing. Seeing its wide-ranging protective capacity, Forcepoint CASB is best for data protection in any cloud application. 7. IBM Cloud Security IBM Cloud Security uses the intelligence of artificial intelligence to identify, examine, and neutralize threats to cloud infrastructure. Its ability to utilize AI allows companies to stay one step ahead in identifying areas of potential security weakness. Why You Should Choose IBM Cloud Security: Having weighed all options and compared them, IBM Cloud Security is popular mostly due to its AI-based approach. The combination of AI and cloud security by the tool is unmatched, providing companies with an edge over dynamic threats. With this unique approach, it is evident why IBM Cloud Security is best for AI-based threat intelligence. 8. Kyndryl Kyndryl provides a comprehensive portfolio of cloud management services, helping companies make a seamless migration to the cloud while maximizing their current deployments. They embody a 360-degree solution, from infrastructure configuration to extended security controls. Why You Should Choose Kyndryl: Kyndryl is the one to catch my eye with its total cloud management packages. After comparing them carefully, it can be concluded that Kyndryl has the all-in-one suite that is unmatched in scope. Their take on the whole cloud, both setup and security included, set them apart and made them easily the ‘best for’ when it comes to total cloud management services. 9. Palo Alto Networks Palo Alto Networks is a well-established brand in the world of cybersecurity, providing a single platform specially designed to secure multi-cloud infrastructure.  Why You Should Choose Palo Alto Networks: Throughout the evaluation, Palo Alto Networks was the overwhelming leader in cloud security. Their expertise in managing multi-cloud environments is why they take the ‘best for’ spot for this category. 10. Microsoft Azure Security Microsoft Azure Security is an end-to-end security solution for companies working predominantly in the Azure environment. Integration with Azure services provides uniform and consistent security solutions. Why You Should Choose Microsoft Azure Security: While making a choice, the native compatibility of Microsoft Azure Security with Azure services was prominent. This solution is designed keeping Azure in mind, and therefore, businesses on Azure receive security that is specifically suited to them. This compatibility with Azure services was the validation that it’s best for native integration with Azure services. 11. Proofpoint Cloud Security In the fast-changing cloud security world, Proofpoint is the beacon of light for individuals who are interested in top-of-the-line threat protection. Their offerings go deep into protecting not just cloud infrastructure but also its users from upcoming threats.

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Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert

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Pabitra Kumar Sahoo

Pabitra Kumar Sahoo

COO & Cybersecurity Expert