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Learn to protect personally identifiable information (PII) through robust frontend security practices in this 15-minute conference talk from DevConf.CZ 2025. Discover how cyberattacks have surged by 105% since 2020, with the majority targeting frontend applications and compromising major brands and individuals alike. Explore the most prevalent global security threats including Cross-Site Scripting (XSS) attacks that inject malicious scripts to steal sensitive data, iframe injection techniques that redirect users to malicious sites, and Cross-Site Request Forgery (CSRF) attacks that trick authenticated users into performing unintended actions. Master practical prevention strategies and secure coding practices that safeguard applications while preserving brand integrity and user trust. Develop a security-first mindset to identify and mitigate vulnerabilities early in the development process, understanding how frontend breaches can lead to severe reputational and financial damage through compromised user sessions, unauthorized transactions, and exposed personal data.
