InfoSec Institute is a privately held American educational organization that specializes in information security training and professional development. Established in 2004, the company is headquartered in Clearwater, Florida, United States. It offers a range of instructional products and services, including online courses, instructor‑led boot camps, self‑study materials, and certification preparation for cybersecurity credentials such as CompTIA Security+, Certified Information Systems Security Professional (CISSP), Certified Ethical Hacker (CEH), and others.
The organization provides training for both individual learners and corporate clients, focusing on skill development in areas such as network security, penetration testing, incident response, cloud security, and governance, risk, and compliance (GRC). In addition to its digital learning platform, InfoSec Institute publishes educational resources, including the “Infosec Skills” learning portal and a series of security‑focused books and articles.
In 2022, InfoSec Institute was acquired by Learning Tree International, a global provider of IT and leadership training, expanding its market reach and integrating its cybersecurity curriculum with Learning Tree’s broader portfolio of professional development programs.
InfoSec Institute is recognized within the cybersecurity community for its role in delivering training that aligns with industry standards and certification body requirements, contributing to the ongoing education of security professionals.