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Work through challenging ideas with an instructor, ask questions, and see how the concepts apply in practice.
See training optionsCybersecurity training for what comes next
Learn cybersecurity with clear instruction, practical exercises, and courses that help you take the next step with confidence.
Whether you are starting in IT or deepening your security expertise, we help you connect course concepts to the work ahead.
Work through challenging ideas with an instructor, ask questions, and see how the concepts apply in practice.
See training optionsUse guided exercises to connect cybersecurity and IT concepts with the decisions professionals make on the job.
Browse coursesFind a course that fits your background, from IT foundations to focused security and audit topics.
Explore career pathsStart with a broad foundation, explore advanced security practice, or build your skills through guided lab work.
Build a foundation in threats, architecture, operations, and practical security decisions.
View courseExamine the broad security domains used to design and manage organizational protection.
View courseTurn concepts into action through practical security and IT exercises designed for active learning.
View courseExcerpts from LinkedIn recommendations for John Adetunji Oyeleke.
“Mr. O has great examples that bring the topics alive for non-technical candidates.”
“I did not put a pencil to paper the entire time and found myself engaged in what he was saying.”
“He goes the extra mile to make sure that students not only have an outstanding learning experience while they are attending his class, he also offers assistance and resources to students even after they finish a course.”
“He has been a mentor, teacher, and more importantly a paradigm of excellence in the cyber security profession.”
“Mr. O, your support and motivation is priceless, I am delighted I passed the CISSP !!!”
“He made the concepts make sense and with his help I am happy to have passed this exam. He is a Specialist Trainer of the highest caliber and I highly recommend him.”
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