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Industry Internet, Communications
Founded 1996
Headquarters American Fork, Utah, USA
Parent Cybersource (Visa)
Authorize.Net headquarters in American Fork

Authorize.Net is a payment gateway service provider allowing merchants to accept credit card and electronic check payments through their Web site and over an IP (Internet Protocol) connection.


Authorize.Net was founded in 1996, in Utah, by Jeff Knowles.


In September 2004, Authorize.Net's servers were hit by a Distributed Denial of Service (DDoS) attack.[1] The DDoS attack lasted for over one week and caused a virtual shut down of the payment gateway's service. The attackers demanded money from in exchange for stopping the attack.

On July 2, 2009, 11pm, the entire web infrastructure for (main website, merchant gateway website, etc.) went offline and stayed down all morning July 3, 2009.[2][3] None of the over 200,000 merchants who use payment gateway were able to process credit cards.'s phone numbers were closed July 3 because of the July 4th holiday as previously announced on their website (though the website was down at the time).[4] Other companies that have nearby offices have reported to the media that there was a fire.[2] started a Twitter account that morning, but did not update their phones to give notice to customers until July 5 when they reopened phones.[5]

See also[edit]


  1. ^ "Hack Attack Gums Up Authorize.Net". 2004-09-21. Archived from the original on 2004-09-23. Retrieved 2004-09-21. 
  2. ^ a b Fire disrupts stations at Seattle's Fisher Plaza Archived July 6, 2009, at the Wayback Machine. Friday, July 3, 2009 at 9:42 AM, Seattle Times
  3. ^
  4. ^ . Retrieved July 6, 2009. See "24 June 2009" announcement. Announcements will eventually expire.
  5. ^ . Retrieved July 6, 2009. See "3 July 2009" and "4 July 2009" announcements. Announcements will eventually expire.

External links[edit]