This lecture introduces the seminar on Security Protocols and Applications, where students give courses on various assigned subjects, prepare written lecture notes, and present their topics. The seminar includes 30-minute talks, questions, and report writing. Topics cover a wide range of security issues, such as TPM-FAIL, SSO Wars, NFCGate, and more. The seminar emphasizes the importance of correct implementation of cryptographic techniques and the need for continuous evaluation of cryptographic implementations.