
Security, CDN, and Dev Tools on Google Cloud: Protect and Scale Your Applications
- Cloud Armor: Protection against attacks.
- Cloud CDN: Content distribution optimization.
- Hybrid and private connectivity options.
- Cloud Code: Cloud application development and debugging.
In the digital era, it is not enough to store data or run Machine Learning models: modern organizations need to protect their infrastructure, ensure content delivery, and facilitate agile application development.
Google Cloud Platform (GCP) not only offers storage and processing solutions but also provides a robust set of networking, security, and developer productivity tools.
Therefore, we will explore:
- How to protect applications against threats with Cloud Armor.
- How to optimize global content delivery with Cloud CDN.
- Hybrid and private connectivity options to integrate on-premises infrastructures with the cloud.
- How to simplify the development of modern applications with Cloud Code.
Security in GCP: Threat Protection with Cloud Armor
In an environment where cybersecurity threats are constant, having strong defenses is essential.
Cloud Armor is Google Cloud’s protection service that allows defending applications and services exposed to the Internet against a wide range of attacks.
What types of threats does Cloud Armor help mitigate?
One of the most common threats it protects against is Distributed Denial of Service (DDoS) attack.
- What is a DDoS attack?
A DDoS attack occurs when multiple distributed systems flood a server or network with fake traffic, overloading its capacity and making it inoperable for legitimate users.
The goal is to cause interruptions, economic losses, and reputational damage.
Cloud Armor defends against attacks at different levels of the OSI model:

‍
Web Application Firewall (WAF)
Cloud Armor also includes a WAF (Web Application Firewall).
- What is a WAF?
A WAF (Web Application Firewall) acts as a filter that inspects all HTTP/HTTPS traffic arriving at a web application. Its goal is to detect and block malicious requests before they reach your backend. This includes common attacks such as:
SQL Injection: attacks that try to manipulate database queries through fields like forms or URL parameters.
Cross-site scripting (XSS): malicious code injected into pages that is then executed in the user's browser.
Manipulation of HTTP headers or vulnerable fields in web forms.
Cloud Armor includes a set of preconfigured WAF rules by Google, based on best practices and known patterns from OWASP (Open Web Application Security Project). These rules detect attack patterns without the developer having to write rules from scratch.
This means that even without being a cybersecurity expert, you can protect your web application with an updated set of defenses, maintained by Google and adjustable to your architecture’s needs.
Integration with GCP Load Balancers
Cloud Armor integrates natively with Google’s global Load Balancers.
- What is a Load Balancer?
A Load Balancer automatically distributes incoming traffic among multiple servers or instances to balance the load and ensure high availability.
In GCP, the Global Load Balancer allows distributing HTTP(S) traffic across multiple regions worldwide, improving resilience and performance.
With Cloud Armor, you can apply security rules directly at the Load Balancer level before traffic even reaches your backend. This means attacks can be blocked much earlier, before consuming internal resources.
Benefits of Cloud Armor
- Planet-scale DDoS protection: Cloud Armor benefits from Google’s global threat intelligence network, known as Google Threat Intelligence. This network analyzes traffic patterns and malicious activities collected through services like Search, Gmail, YouTube, and Android. Thanks to this, Cloud Armor can automatically block malicious IPs in real time before they reach your infrastructure.
This represents the same defense layer that protects Google’s global products, now available for any application deployed on Google Cloud. - Granular control: filters traffic by IPs, geolocation, HTTP, URL patterns, and more.
- Automation: automatic alerts and adaptability to emerging attack patterns.
- Easy integration: activated directly on Load Balancer rules without additional infrastructure.
Example use case:
An e-commerce store launches a Black Friday event and experiences a traffic spike. Cloud Armor automatically filters fraudulent requests and protects their site from overload crashes.
Content Delivery Optimization: Cloud CDN
For global users, site or application load speed is critical. Cloud CDN (Content Delivery Network) from Google accelerates the delivery of static and dynamic content, significantly reducing latency by serving resources from locations close to the user.
- In the case of static content (such as images, CSS files, JavaScript, documents, videos), Cloud CDN optimally caches them at globally distributed points of presence. This allows heavier resources not to be requested from the backend every time, saving time and network costs.
- For dynamic content, although it tends to change more between requests, it can also benefit from Cloud CDN if an appropriate strategy is applied. For example, by configuring custom cache control headers, it is possible to specify exactly which types of responses can be temporarily stored and for how long. This way, only what is truly reusable among different users or sessions is cached, such as page fragments or results with temporal validity.
Benefits of Cloud CDN:
- Latency reduction: Thanks to Google’s infrastructure, content is served from locations close to the user (over 130 locations worldwide).
- Bandwidth cost savings: By serving cached content, data transfer between your origin servers and users is reduced.
- Native compatibility: Easily integrates with GCP’s global Load Balancer.
- Automatic SSL certificates: Ensures secure delivery without manual certificate management.
Example use case:
A video streaming application can use Cloud CDN to cache video segments and serve them quickly to users on different continents, improving user experience and reducing costs.
Connectivity Options: Hybrid and Private
Not all organizations migrate all their services to the cloud immediately. Many companies operate hybrid environments where part of the infrastructure remains in their local data centers (on-premises) while other services run on Google Cloud.
For this, GCP offers different ways to connect on-premises environments with the cloud in a secure, private, and efficient manner.
Why is hybrid connectivity important?
Hybrid connectivity is key because not all organizations migrate fully to the cloud immediately, so these solutions ensure operational continuity while also adding the following benefits:
- Maintain legacy systems integrated with modern services.
- Meet regulatory requirements that demand control over certain data or services.
- Minimize latency between local systems and cloud workloads.
- Facilitate gradual migrations to the cloud.
Options available in GCP:

VPN (Virtual Private Network)
- Uses standard IPsec tunnels to encrypt communications.
- Good option to start hybrid connectivity quickly.
- Bandwidth depends on the quality of the available Internet link.
Dedicated Interconnect
- Consists of physical cables connecting the client’s datacenter with Google Cloud at an Interconnect location.
- Offers 10 or 100 Gbps links with included redundancy.
- Ideal for replicated databases, massive backups, video streaming, or heavy analytical workloads.
Partner Interconnect
- Similar to Dedicated, but the connection is made through a certified partner.
- Allows speeds from 50 Mbps up to 50 Gbps.
- More flexible if your datacenter is not near a physical Google location.
Direct Peering
- Connects your network directly with Google at strategic locations without using the public Internet.
Carrier Peering
- Connects through telecom providers that already have direct links with Google.
Private Service Connect
- Not only connects networks but also services (such as Cloud SQL, Vertex AI APIs) directly within your private network.
- Used to ensure critical services do not depend on the public Internet to communicate.
Example of hybrid architecture:
A banking company could use:
- Dedicated Interconnect for critical data traffic between its main datacenter and GCP.
- VPN as a secondary backup in case of Interconnect failure.
- Private Service Connect to access services like Cloud SQL without sensitive data ever leaving the public Internet.
Advantages of GCP Connectivity Options
- Low latency and high performance: optimized connections to minimize distance and network hops.
- Enhanced security: encrypted or fully private communication, avoiding unnecessary exposure to the public Internet.
- Deployment flexibility: variety of options that fit different company sizes and traffic needs.
- Built-in redundancy: possibility of high availability configurations to avoid single points of failure.
- Predictable cost: especially with Dedicated Interconnect, where transfer costs are lower than over the Internet.
Developer Tools: Cloud Code
Modern cloud development must be agile, automated, and deeply integrated with the platforms hosting the applications.
Cloud Code is Google Cloud’s toolset designed to improve the development experience, allowing you to create, debug, test, and deploy applications directly from the most popular development environments (IDEs).
What exactly is Cloud Code?
Cloud Code provides IDE extensions that allow developers to work on applications running on Google Cloud much more smoothly. It automates repetitive tasks, facilitates connection with GCP services, and offers ready-to-use configurations for environments like Kubernetes, Cloud Run, App Engine, and Cloud Functions.
Main capabilities of Cloud Code:

Which Google Cloud services can I easily use from Cloud Code?
- Google Kubernetes Engine (GKE): Container deployment and management.
- Cloud Run: Serverless microservices creation.
- App Engine: Scalable applications on platform as a service (PaaS).
- Cloud Functions: Event-driven serverless functions.
- Secret Manager, Cloud SQL, Pub/Sub, and more.
Practical examples of using Cloud Code:
- A tech startup creates a backend in Flask, dockerizes it, tests locally on Minikube, and deploys to GKE without leaving VSCode using Cloud Code.
- An e-commerce team develops microservices in Node.js, monitors log consumption, and performs live debugging on a Kubernetes cluster using Cloud Code plugins.
- A media company creates and deploys serverless functions in Cloud Functions directly from IntelliJ IDEA to process images uploaded by users.
Advantages of Cloud Code
- Higher productivity: Automates tedious configuration and deployment tasks.
- Accelerated development: Templates, snippets, and wizards optimize project startup time.
- Lower learning curve: Ideal for developers newly migrating to the cloud or Kubernetes.
- Easier debugging: You can test locally or against real GCP environments without complicated manual changes.
- Improves delivery quality: Native integration with GCP CI/CD tools encourages good DevOps practices.
Conclusion
Networking, security, and developer productivity infrastructure is a fundamental pillar in Google Cloud Platform’s value proposition.
Through services like Cloud Armor and Cloud CDN, GCP not only protects applications against threats and large-scale attacks but also optimizes content delivery, ensuring fast and secure experiences for users worldwide.
Hybrid and private connectivity allows organizations to integrate their on-premises environments with the cloud flexibly and securely, adapting to any stage of cloud adoption and reducing operational complexity.
Meanwhile, Cloud Code democratizes cloud development, bringing the power of GCP closer to developers’ daily work environments. It facilitates the creation, testing, debugging, and deployment of modern applications, reducing friction and accelerating the delivery time of new features.
With this combination of robust security, optimized global networks, and agile development tools, Google Cloud not only addresses current cloud computing challenges but also prepares companies and developers to build scalable, resilient, and innovative solutions for the future.
Does your company need to strengthen its digital infrastructure, accelerate deployments, and improve security?👉 Contact us and we’ll help you make the most of Google Cloud.
Previous Posts

Kraneating is also about protection: the process behind our ISO 27001 certification
At the end of 2025, Kranio achieved ISO 27001 certification after implementing its Information Security Management System (ISMS). This process was not merely a compliance exercise but a strategic decision to strengthen how we design, build, and operate digital systems. In this article, we share the process, the internal changes it entailed, and the impact it has for our clients: greater control, structured risk management, and a stronger foundation to confidently scale systems.

Development Standards: The Invisible Operating System That Enables Scaling Without Burning Out the Team
Discover how development standards reduce bugs, accelerate onboarding, and enable engineering teams to scale without creating friction.
