| Acquired by | Cybersource |
| Price | $565M |
| Date | 6/07 |
| Terms | Cash and Stock |
| Acquired by | Lightbridge |
| Price | $82M |
| Date | 3/04 |
| Terms | Cash |
| Website | authorize.net |
| @AuthorizeNet | |
| Category | Security |
| Employees | |
| Founded | 1996 |
| Description | Online payment authorization |
Authorize.net is a payment portal that allows ecommerce providers to accept credit cards and electronic checks directly on their site.