News
April 18, 2025
Increasing digital complexity and the constant growth of cyber threats make it essential to integrate security from the earliest stages of the software development cycle. This is where the concept of Security by Design comes in: an approach that is becoming standard practice for those developing reliable and sustainable digital products.
Security by Design is a principle of integrating security right from the initial conception phase of an application or software.
Every design and technical choice takes data protection, code integrity and access management aspects into account right from the start. Security is considered as a structural requirement, not as a finishing or final verification activity.
Taking this approach means thinking of security as an integral part of the software, right from the first line of code and every iteration thereafter.
Functionality is designed and developed with a constant focus on architecture robustness, secure data management, vulnerability prevention and system resilience.
An app built with Security by Design logic includes, from its embryonic phase, elements such as encryption of sensitive data, granular access controls, server-side validation, secure logging, protection of code integrity and update mechanisms. This approach allows development teams to create robust and sustainable solutions over time, avoiding corrective interventions in more delicate or critical phases.
Many development teams still work according to processes where security is only introduced after the code is written or, in some cases, after it is put into production. This dynamic generates constant exposure to avoidable vulnerabilities, costly incidents and regulatory non-compliance.
Security by Design training makes security a strategic element of the entire software life cycle. Here are four reasons why introducing it into business processes brings immediate and lasting value:
The most exploited vulnerabilities in cyber attacks often stem from common mistakes made in the early stages of development.
SQL injection, buffer overflows, unauthorised access or insecure session management can be avoided if the team is able to recognise and prevent these patterns.
Training provides practical skills to identify risks before they become code, using up-to-date, prevention-oriented techniques.
When security is treated as an isolated technical activity, it loses effectiveness. Well-structured training, on the other hand, enables developers, tech leads and managers to recognise the strategic value of security and include it in product quality criteria.
This widespread awareness helps to build a corporate culture in which security is managed methodically and with shared responsibility. The result is a more attentive working environment with more informed decision-making processes.
Intervening on vulnerabilities after the application has been published requires resources, time and can undermine user confidence. A Security by Design approach significantly reduces the likelihood of having to resort to urgent interventions, posthumous mitigations or crisis communications.
Training allows the team to work more effectively already in the development phase, limiting the occurrence of errors and helping to keep the company’s reputation intact.
Major privacy and data protection regulations, such as GDPR, require security to be embedded in processes from the outset. Security by Design training enables a compliant, documentable and replicable approach, strengthening the company’s ability to respond to regulatory requirements and audits.
A team that is aware of the legal and technical implications builds solutions that are more robust and less exposed to the risk of penalties.
Adopting a Security by Design approach means creating applications that are more secure, more stable and more aligned with market expectations. It also means building a shared mindset that protects data, enhances brand reputation and reduces the hidden costs of crisis management. For companies that want to make security a competitive advantage, training is the first step.
Mobisec’s team supports companies in strengthening internal competencies by offering training sessions designed for development teams, CTOs, POs and managers.
Sessions are designed to integrate security principles into real workflows, with practical examples, current scenarios and concrete tools.
Discover Mobisec’s Security by Design training: an opportunity to make your teams more aware, your product more secure and your company more resilient.