Sectigo Wildcard SSL secures a primary domain and an unlimited number of its subdomains with 256-bit encryption. It is issued within minutes, supports unlimited server licenses, and includes a $500,000 warranty. The certificate provides full encryption for data transfers, removes "Not Secure" browser warnings, and includes a Sectigo Trust Seal to enhance website trust and SEO. It is designed for individuals and organizations needing to protect multiple subdomains efficiently and cost-effectively.