Explore the fundamentals of GPG (GNU Privacy Guard) and the Web of Trust in this introductory conference talk from LASCON 2014. Learn about GPG's open-source cryptographic software suite for encrypting and signing data and communications. Discover how to create your own GPG key, encrypt data, secure emails, and understand the decentralized trust model of the Web of Trust. Gain insights into key concepts such as nonrepudiation, crypto primitives, key management, fingerprints, and revocation certificates. Delve into practical applications like signing emails and files, encrypting files and emails, and participating in key signing parties. Master essential skills including installing GPG, managing trust, refreshing keys, and navigating the Web of Trust ecosystem.