MasterClass
Learn from the most inspiring artists, leaders, and icons in the world. MasterClass is the streaming platform that makes it possible for anyone to watch or listen to hundreds of video lessons taught by 100+ of the world’s best. Whether it be in business and leadership, photography, cooking, writing, acting, music, sports and more, MasterClass delivers a world-class online learning experience. Video lessons are available anytime, anywhere on your smartphone, personal computer, Apple TV and FireTV streaming media players. Membership includes access to an incredible catalog of 100+ classes taught by the world’s best on cooking, leadership, photography, writing and more. Each class includes around 20 video lessons that are 10 minutes long on average, along with an in-depth workbook. You also get access to our smartphone and TV apps, offline lessons, our members-only newsletter, and our dynamic community of members around the world.
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SecureNinja
SecureNinja’s cybersecurity training platform delivers award‑winning, instructor‑led and hybrid bootcamps and courses for industry‑standard certifications, including CompTIA Security+, Network+, PenTest+, CASP+, ISC²’s CISSP, ISACA’s CISM, EC‑Council’s CEH and ECIH; and PMI’s PMP, in Washington, DC, Dulles, VA, San Diego, CA, live online and on‑site for government, DoD and corporate teams. Led by world‑renowned information assurance practitioners and award‑winning instructors who have shaped national security policy, the curriculum is mapped to the NICE Framework and DoD 8570.1‑M Directive, providing structured learning paths aligned to specific job roles. Students benefit from interactive virtual classroom sessions, real‑time instructor engagement, vendor‑approved performance‑based exam preparation at SecureNinja’s accredited testing center, and comprehensive class schedules that accommodate hybrid and on‑site delivery.
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Centri
Centri is an online cybersecurity training service offering self-paced courses, practical labs, and certification exams. Its catalog covers defensive security operations, incident response, digital forensics, threat intelligence, detection engineering, penetration testing, and security operations management. Learners can take free introductory courses or enroll in paid certification programs; organizations can purchase team training and monitor learner progress. It serves students, career changers, cybersecurity practitioners, and security teams seeking practical skills development.
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Altered Security
Altered Security offers a hands-on cybersecurity education platform featuring Red Team labs, cyber ranges, bootcamps, and certifications designed for Active Directory, Azure, and enterprise security. Through self-paced on-demand labs and in-person sessions, participants gain access to realistic, fully patched environments along with preconfigured VMs, detailed video courses (11–14+ hours), lab manuals, walk-through videos, and instructor support. Courses such as Certified Red Team Professional (CRTP), Certified Red Team Expert (CRTE), and AD CS Attacks cover topics including enumeration, privilege escalation, Kerberos, certificate-based attacks, lateral movement, hybrid Azure-PHF, and cloud persistence. Labs simulate enterprise networks with multiple domains and forests, guiding learners from non‑admin starts to enterprise admin compromise, and include exam attempts for industry-recognized certifications.
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