Introduction Regular expressions (regex) are a powerful tool used in programming for searching, matching, and replacing strings. Web developers commonly employ regex for input validation, URL routing, form handling, and many other purposes. However, when implemented without careful validation or sanitization, regex patterns can become a dangerous attack vector, leading to what is known as…
In 2017, a small startup named CodeNest launched in Lisbon, Portugal. Their mission? To create an affordable, scalable CRM system tailored for small and medium-sized businesses. Armed with ambition, a modest seed fund, and a team of five, they were ready to take on the SaaS giants. But within just eight months, they were on…
Introduction In the vast landscape of web application security, JavaScript reigns as a double-edged sword. Its ubiquity and power enable dynamic and interactive user experiences, but its flexibility also introduces potential risks. Among these risks lies a subtle yet dangerous vulnerability: Prototype Pollution. This blog explores prototype pollution in depth—what it is, how it occurs,…
Introduction In today’s fast-paced web development environment, frameworks and libraries have made developers’ lives significantly easier. Features like automatic data binding allow us to quickly capture and assign incoming HTTP request data to objects. However, this convenience can come at a steep price. One of the critical vulnerabilities that can arise from overly trusting automatic…
In the realm of messaging apps, WhatsApp is a household name. But few people know the full, raw, and inspiring journey of how it came to be one of the most used communication platforms in the world. This story isn’t just about success—it’s about resilience, rejection, simplicity, and the power of staying true to your…
Introduction In the modern digital age, security is no longer a feature to be added at the end of the development cycle—it is a core principle that must be embedded from the very beginning. One of the most significant but often overlooked contributors to vulnerabilities is insecure design. This term refers to the failure to…
Introduction In the evolving landscape of web application security, many threats go unnoticed or underestimated. One such silent attacker is Host Header Poisoning. Although it doesn’t make headlines like SQL Injection or Cross-Site Scripting (XSS), Host Header Poisoning can lead to serious vulnerabilities in web applications, including cache poisoning, password reset poisoning, virtual host routing…
Introduction Looking for a real tech story that showcases how cloud migration can completely change a business? You’re in the right place. In this post, you’ll discover a real tech journey of cloud migration and digital transformation. This story explores how a mid-sized logistics company transformed its outdated IT infrastructure into a modern, secure, and…
Introduction Server-Side Request Forgery (SSRF) is a critical web security vulnerability that allows an attacker to induce the server-side application to make HTTP requests to an arbitrary domain of the attacker’s choosing. This vulnerability can be exploited to access internal systems, sensitive data, and services behind firewalls that would otherwise be inaccessible from the external…
Introduction Buffer overflows are among the oldest yet most dangerous security vulnerabilities in the world of software development. Despite decades of awareness and security advancements, buffer overflows continue to be exploited by attackers to crash systems, execute arbitrary code, or gain unauthorized access to sensitive data. From legacy systems to modern applications, understanding buffer overflows…
