IT security is concerned with ensuring that electronic systems, such as computers, phones, and smart devices, are protected from disruption. It involves preventing and combating theft, cyber attacks, and accidents that can damage computer systems.

The USA remains the world’s most popular destination for international students. Universities in the US dominate the world rankings and the country also offers a wide variety of exciting study locations. State university systems are partially subsidized by state governments, and may have many campuses spread around the state, with hundreds of thousands of students.

Courses are individual classes that can be taken at universities, colleges, junior colleges, and trade schools worldwide. For even greater flexibility, many schools also offer online classes. Students can take individual classes or pursue degree programs.