your country of origin can also affect Comprehensive Security (A34) security screening, but not in a simple or automatic way. It’s not about nationality alone, but about risk factors linked to countries. comprehensive Security takes a long time because it is a deep background and security check handled by multiple agencies like IRCC, CBSA, CSIS. It involves multiple agencies, not just IRCC. they do detailed checks on travel, history, and associations. Some checks rely on foreign countries, which slows things down.