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Register of Known Spam Operations

Show me everything on Email and Messaging Threats (spam, phishing, instant messaging)

- The Register of Known Spam Operations (ROKSO) is a list of over 500 professional spammers that is maintained by the Spamhaus Project, an organization dedicated to identifying and exposing spam operators. Any spammer known to have been terminated by three consecutive Internet service providers (ISPs) is added to the list. According to Spamhaus, the top 200 spammers on the list are responsible for 90% of all spam.

Typically, large-scale spammers move to another ISP as they become unwelcome on their current one. They sometimes disguise themselves as ISPs as a way to fool other ISPs into offering them connectivity to the Internet. Spamhaus also maintains the Spamhaus Block List (SBL); any IP address known to be associated with a spammer is included in this list. A special version of the Register of Known Spam Operations provides additional information for law enforcement agencies.

Learn more about Email and Messaging Threats (spam, phishing, instant messaging)

Chained Exploits: How to prevent phishing attacks from corporate spies: Ever wonder if someone is monitoring everywhere you go on the Internet? In this chapter excerpt, learn how to keep corporate spies at bay.
Voice over IP Security: VoIP Threat Taxonomy: In an excerpt from Voice over IP Security, author Patrick Park reviews VoIP threats, including spam, phishing and other threats against social context.
Email security test: Basics and threats: Test your knowledge of email security essentials with this fifteen-question quiz from Joel Snyder.
Hacker's Challenge 3: Big Bait, Big Phish: In this excerpt from "Hacker's Challenge 3," author Bill Pennington describes a situation in which an organization's network is attacked and customer data is compromised.
A Business Guide to Information Security: Threats and Compliance: This excerpt from "A Business Guide to Information Security," identifies six future risks to information security and how they will affect individuals and organizations.

LAST UPDATED:

26 Oct 2004

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-	The Spamhaus Project has a public version of the Register of Known Spam Operations.

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