133 / Supply chain attack
does polyfill.js mean all our sites will get pwned?

Explore how copy-paste coding practices using resources like bootstrap and polyfill.js pose security risks in web development. Understand how unnoticed changes in such external scripts, akin to past left-pad incidents, can compromise websites, affecting large platforms like Google Maps. Discover solutions including downloading resources locally and integrity checks, and compare software issues to recent physical supply chain attacks in Lebanon. Learn risk mitigation strategies like verifying supply chain integrity and testing inertial properties.