“By processing billions of requests for hundreds of thousands of organizations worldwide, SORBS offers the internet community a much-needed service and provides Proofpoint with unique visibility into global traffic trends,” said Gary Steele, CEO of Proofpoint. “This acquisition will help us continue to deliver the industry's most innovative and effective anti-spam solutions while giving SORBS the resources it needs to be more responsive to its extensive user base and to the online community at large.”
The acquisition was completed in July 2011 for an undisclosed amount. SORBS is owned and operated by a Maltese subsidiary of Proofpoint, Inc., and continues to be available as a free, standalone service. Support and service inquiries related to SORBS continue to be handled through the SORBS website at http://www.sorbs.net.
Since its launch in 2003, the SORBS DNSBL has grown from a list of 78,000 to more than 12 million host servers known to disseminate spam and now processes tens of billions of requests per day. The list typically includes hosts designed specifically for spreading spam, hacked and hijacked servers, and those with Trojan infestations. In an attempt to provide preemptive protection, SORBS also lists servers with dynamically allocated IP addresses.
Proofpoint is known for developing innovative and highly-effective approaches to spam detection, leveraging machine-learning techniques to accurately identify spam based on a variety of factors including message content, structure and sender reputation. Proofpoint's commercial email security and compliance solutions are used by thousands of organizations worldwide to block spam and viruses, safeguard privacy, encrypt sensitive information, and archive messages for easier management and discovery.
About Proofpoint, Inc.
Proofpoint focuses on the art and science of cloud-based email security, eDiscovery and compliance solutions. Organizations around the world depend on Proofpoint's expertise, patented technologies and on-demand delivery system to protect against spam and viruses, safeguard privacy, encrypt sensitive information, and archive messages for easier management and discovery. Proofpoint's enterprise email solutions mitigate the challenges and amplify the benefits of enterprise messaging. Learn more at www.proofpoint.com.
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Proofpoint and SORBS are trademarks and/or registered trademarks of Proofpoint, Inc. or its subsidiaries in the US and/or other countries. All other trademarks contained herein are the property of their respective owners.