Secure Software Engineering: VPN Solutions (2024)

Our team works with telecom network equipment manufacturers who want to empower their devices with advanced VPN features:

1. Network servers and routers
2. WiFi and IoT devices
3. Data storage

Architecture design

Our key principles when designing robust and scalable architectures include the following:

• Selecting optimal components, protocols, and other technologies for secure VPN solutions with its architecture that can easily accommodate future growth and increased user demands.
• Considering multi-protocol support, tunnelling methods, and load-balancing techniques to achieve high availability and fault tolerance.

Client-side VPN app development

We develop user-friendly client VPN solutions with seamless integration across various platforms, including Linux, Windows, macOS, iOS, and Android, ensuring compatibility across multiple devices.

Our team implements tailor-made features such as automatic server selection, protocol switching, and intuitive settings to enhance the user experience.

Server-side app development

Our expertise in server-side VPN app development ensures the smooth handling of incoming and outgoing traffic. We focus on:

• Ensuring scalability and security for your VPN infrastructure along with the capability of handling high traffic volumes without compromising performance.
• Optimising server performance by implementing efficient connection management techniques, load balancing strategies, and caching mechanisms.
• Implementing logging and monitoring functionalities to track VPN server activities, identify potential issues, and maintain a secure and stable network environment.

VPN integration

Our network integration services include these processes:

• Ensuring compatibility with network devices, such as routers, switches, and firewalls.
• Configuring routing policies to facilitate seamless VPN connectivity within your network environment.
• Addressing network-specific challenges, such as NAT traversal, routing issues, and port forwarding.
• Supporting network integration solutions and providing infrastructure upgrades to enhance scalability.

Encryption and VPN security compliance

What we do within our security software development services for VPN solutions:

• Implement industry-leading encryption algorithms, such as AES (Advanced Encryption Standard) and RSA (Rivest-Shamir-Adleman).
• Employ secure key exchange protocols, advanced authentication mechanisms, and adherence to data protection and privacy regulations.
• Conduct regular security assessments, vulnerability scanning, and penetration testing to mitigate risks.
• Provide options for network and application-level firewalls, intrusion detection and prevention systems, and secure VPN gateways.

Quality assurance and testing

We offer comprehensive VPN QA services, applying best testing practices to resolve any issues or vulnerabilities of your solution.

Our team employs manual and automated QA techniques and performs functional, compatibility, regression, penetration, and integration testing.

Deployment and configuration

We provide expert assistance in smooth VPN deployment and configuration. Our services include:

• Proper installation and validation of configurations.
• Guidance on optimal settings to ensure your VPN solution operates efficiently and securely.

Ongoing maintenance

We offer post-deployment support and assistance to keep your VPN solutions up-to-date as your business requirements evolve. What we do:

• Monitor performance, applying necessary updates and patches.
• Proactively address emerging issues to ensure secure VPN operations.

Post-quantum cryptography differs from traditional methods by utilising mathematical approaches resistant to attacks by quantum computers. It is critical for VPN security as quantum computers have the potential to break current encryption standards. Implementing post-quantum cryptography ensures long-term security and protection of sensitive data transmitted over VPN connections, safeguarding against future advancements in quantum computing technology.

The main challenges involve transitioning from traditional cryptographic algorithms, compatibility with existing systems, and performance implications due to the computational complexity of post-quantum algorithms. We overcome these challenges through careful algorithm selection, integration of hybrid encryption schemes, performance optimisation techniques, and ongoing research and collaboration with experts in the field.

Our network integration services involve analysing the existing network infrastructure, identifying compatibility issues, and designing tailored solutions to overcome them. To achieve seamless integration, our experts configure routers, firewalls, and other network devices to support VPN protocols, establish secure connections, and enable efficient traffic routing.

Our goal is to ensure that the VPN solution seamlessly interacts with the network, enabling businesses to achieve uninterrupted communication while maintaining compatibility with various operating systems and platforms.

We handle them through robust mechanisms such as username/password authentication, multi-factor authentication, or integration with existing identity providers. Access control policies are enforced based on user roles, permissions, or specific criteria to ensure authorised access to resources.

Our team implements DNS leak protection at the VPN client level, uses secure DNS resolvers, and performs rigorous testing to identify and mitigate potential vulnerabilities. We also adhere to best practices in encryption and tunnelling protocols to safeguard data transmission.

We employ comprehensive testing and adaptation methods to ensure seamless functionality across various environments. We consider platform-specific requirements, APIs, and networking frameworks to provide consistent performance and user experience across diverse systems.