Higher Education teacher of Information Technology and Business since 2004. The primary focus of his videos cover topics such as networks, servers, cybersecurity, and informatics.
Our mission is to provide quality technology information and training, including specialized training courses for CompTIA A+, CompTIA Network+, and CompTIA Security+.
Professor Messer is the Internet's most comprehensive choice for CompTIA A+, Network+, Security+, and other IT certifications. All of Professor Messer's certification videos are posted on YouTube.
