This article deals with web application security, focusing on the prevention of common vulnerabilities. It discusses the most common security threats to which web applications are exposed, including SQL injection attacks, Cross-Site Scripting (XSS) attacks, authentication flaws, cryptographic storage problems and more.
The author underlines the importance of a secure approach to web application design and development. To prevent SQL injection attacks, he recommends the use of built-in functions such as “prepare” and “execute” in PHP Data Objects (PDO) rather than manual concatenation of queries with user data. In addition, he insists on the use of filtering functions such as “strip_tags()” and “htmlspecialchars()” to avoid XSS-type attacks by preventing the interpretation of malicious data.
Read More