This book constitutes the thoroughly refereed post-workshop proceedings of the 22nd International Workshop on Security Protocols, held in Cambridge, UK, in March 2014. After an introduction the volume presents 18 revised papers each followed by a revised transcript of the presentation and ensuing discussion at the event.

Preface.- Introduction: Collaborating with the Enemy (Transcript of Discussion).- Why Bother Securing DNS?.- Why Bother Securing DNS? (Transcript of Discussion).- Collaborating as normal: detecting systemic anomalies in your partner.- Collaborating as normal: detecting systemic anomalies in your partner (Transcript of Discussion).- Remark!: A Secure Protocol for Remote Exams.- Remark!: A Secure Protocol for Remote Exams (Transcript of Discussion).- Red Queen’s Race: APT win-win game.- Red Queen’s Race: APT win-win game (Transcript of Discussion).- Non-collaborative Attackers and How and Where to Defend Flawed Security Protocols (Extended Version).- Non-collaborative attackers and how and where to defend vulnerable security protocols (Transcript of Discussion).- Dancing with the Adversary: A Tale of Wimps and Giants.- Dancing with the Adversary: a Tale of Wimps and Giants (Transcript of Discussion).- Better authentication: password revolution by evolution.- Better authentication password revolution by evolution (Transcript of Discussion).- Collaborating with the enemy on network management.- Collaborating with the enemy on network management (Transcript of Discussion).- Bootstrapping Adoption of the Pico Password Replacement System.- Bootstrapping adoption of the Pico password replacement system (Transcript of Discussion).- I Bought a New Security Token and All I Got Was This Lousy Phish — Relay Attacks on Visual Code Authentication Schemes.- Relay attacks on visual code authentication schemes (Transcript of Discussion).- Censorship Resistance as a Side-Effect.- Censorship Resistance as a Side-Effect (Transcript of Discussion).- On the Feasibility of a Technological Response to the Surveillance Morass.- On the Feasibility of a Technological Response to the Surveillance Morass (Transcript of Discussion).- Strange Bedfellows: How and When to Work with Your Enemy.- Preface V.- Strange Bedfellows: How and When to Work with Your Enemy (Transcript ofDiscussion).- On the Key Role Intelligence Agencies can play to Restore our Democratic Institutions.- On the Key Role Intelligence Agencies can play to Restore our Democratic Institutions (Transcript of Discussion).- On node capturing attacker strategies.- On node capturing attacker strategies (Transcript of Discussion).- On the reliability of network measurement techniques used for malware traffic analysis.- On the reliability of network measurement techniques used for malware traffic analysis (Transcript of Discussion).- Beyond Trust.- Beyond Trust (Transcript of Discussion).- Fawkescoin A cryptocurrency without public-key cryptography.- FawkesCoin: A cryptocurrency without public-key cryptography (Transcript of Discussion).

This book constitutes the thoroughly refereed post-workshop proceedings of the 22nd International Workshop on Security Protocols, held in Cambridge, UK, in March 2014.The volume contains 36 revised papers with transcripts of the presentation and workshop discussion and an introduction. The theme of this year's workshop is "Collaborating with the Enemy".