Tanya Janka, DevRel at Semgrep and author of two insightful books about secure coding, shares her tech journey and passion for teaching. She dives into the Alice and Bob framework, making complex cryptographic concepts relatable. Tanya emphasizes modern programming languages for enhanced security, while exploring ways to improve C programming without compromising freedom. Input validation is highlighted as essential in preventing vulnerabilities, along with the challenges faced by CISOs in advocating security within teams.