Chartered Institute of Information Security | 13,680 followers on LinkedIn. The home of Cyber. Dedicated to raising the standard of professionalism in #informationsecurity and #cybersecurity | The Chartered Institute of Information Security (CIISec) is the only pure-play information security institution to have been granted Royal Charter status and is dedicated to raising the standard of professionalism in information security. CIISec is here to help individuals and organisations develop capability and competency in cyber security.