Cybersecurity refers to the protection of computer systems and networks from unauthorized access, theft, damage, or disruption. Cybersecurity is an increasingly important concern as more and more sensitive information is stored and transmitted online. Popular cybersecurity platforms include McAfee, Symantec, and Kaspersky. Connect with us Cybersecurity is the practice of protecting computer systems and networks from unauthorized access, theft, damage, or disruption. Cybersecurity is a critical concern for businesses and governments.