Cybersecurity online training, including programs from H2K Infosys, can be as effective as classroom training when it includes structured labs, real-world scenarios, and instructor guidance. In my experience, online learning provides flexibility, recorded sessions, and access to updated content, which helps professionals balance learning with work. The effectiveness depends on hands-on exposure to tools like Wireshark, SIEM dashboards, and vulnerability scanners, along with cyber security training and job placement support. Classroom training offers in-person interaction, but modern online programs now deliver virtual labs, mentoring, and practical exercises that closely match real cybersecurity job requirements and workflows used in organizations.