Why is my CVV not required for all online transactions, and does that make those transactions less secure?

Name: Host Merchant Services
Address: 250 Corporate Blvd L, Newark, DE, 19702
Telephone: +1 302-224-9837
Price range: $$

Not all online merchants ask for the CVV due to varying security standards. While omitting the CVV can reduce security, other protections like encryption and fraud detection help safeguard transactions.