Daniel Chrastil is a Staff Security Engineer at Walmart, contributing to the security team with over 8 years of experience in penetration testing, red team assessments, and application security. In their current role as a Senior Solutions Penetration Tester, they identify vulnerabilities in web and mobile applications, offering in-depth insights to enhance security. Daniel holds several certifications, including GWAPT, GWEB, GAWN, and OSCP, reflecting their expertise in web application security and ethical hacking. Previous positions, such as Senior Red Team Engineer at Walmart Global eCommerce, further showcased advanced threat simulation and collaboration to strengthen organizational defenses. Daniel's technical skills include Python, PHP, and database management, enabling the development of robust security strategies and automation solutions.
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