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IronPort Anti-Spam

Cisco has acquired Ironport. Please visit our Cisco site for the latest re-branded Ironport products.

Accurately Protect Against Diverse Threats

Internet criminals constantly evolve techniques to penetrate an organization’s defenses. Email threats have expanded beyond simply annoying spam to dangerous phishing and fraudulent spam. Cisco IronPort Anti-Spam uses conventional techniques and innovative context-sensitive detection technology to eliminate a diverse range of known and emerging email threats.

IronPort's Context Adaptive Scanning Engine

The Cisco IronPort Context Adaptive Scanning Engine (CASE)
and Cisco IronPort Reputation Filters provide protection against
sophisticated blended threats.


A Powerful Outer Layer of Defense:

Cisco IronPort pioneered the technique of reputation filtering for a powerful outer layer of spam defense. Cisco IronPort Reputation Filters stop up to 90 percent of incoming spam at the connection level. Cisco IronPort appliances also support a unique rate-limiting capability to intelligently delay suspicious senders—greatly reducing spam without the risk of false positives

Accuracy With Context-Based Scoring:

An innovative approach to threat detection helps separate Cisco IronPort Anti-Spam from the competition. In addition to reviewing sender reputation, the unique Cisco IronPort Context Adaptive Scanning Engine (CASE) examines the complete context of a message. In combination, the CASE score and sender reputation result in more accurate spam filtering than do traditional techniques.

Cisco IronPort Web Reputation technology measures the behavior and traffic patterns of a website to assess its trustworthiness. The Cisco IronPort CASE determines the reputation of any URL within a message body to facilitate an accurate analysis of messages. This technology helps to immediately protect Cisco IronPort Anti-Spam users from spam, viruses, phishing, and spyware threats.

Automatic Updates and Comprehensive Controls:

Marketing message detection allows administrators to configure treatment of unwanted marketing messages.

Automatic, timely, and highly secure rule updates eliminate the need for ongoing manual tuning and maintenance to catch emerging threats. The Cisco update service helps ensure that Cisco IronPort appliances are running the most up-to-date engine.

Cisco IronPort Email Security Manager can be utilized to set user- and group-specific policies. Administrators can easily configure the solution at a global level.

The Cisco IronPort Spam Quarantine gives end users direct access to check and manage messages or to review email digests that are mailed to them periodically. A powerful spam-reporting plug-in for Microsoft Outlook allows users to send missed spam directly to the Cisco IronPort Threat Operations Center for review.

Real-Time and Centralized Reporting:

Cisco IronPort Email Security Monitor delivers complete real-time visibility into who is sending email. It also alerts administrators to suspicious traffic so that they can take immediate action.

Cisco IronPort Message Tracking lets administrators find the status of any message that has crossed their infrastructure. With this centralized reporting tool, administrators and support staff can quickly answer end-user inquiries such as, “What happened to my email?”

Fast, Accurate Detection:

The Cisco IronPort 24-Hour Threat Operations Center uses extensive technology and infrastructure to help ensure effectiveness. All together, the center’s analysts speak more than 32 languages and have powerful tools to:

  • Maintain a massive email collection
  • Manage a knowledge base of latest trends
  • Publish real-time rule updates to help ensure that new spam attacks can be blocked immediately
  • Provide closed-loop verification of customer reports


Eliminates a Broad Range of Email Threats Cisco IronPort Anti-Spam addresses a full range of known threats, including spam, phishing, and zombie attacks. It also addresses hard-to-detect, low-volume, short-lived targeted attacks such as 419 scams. Additionally, Cisco IronPort Anti-Spam identifies new and evolving blended threats, such as malicious content through a download URL or an executable file.

Provides Highest Accuracy The key to effectiveness is data captured by the Cisco IronPort SenderBase Network, the world’s first, largest, and most accurate traffic-monitoring system. In addition to exceptional technology, Cisco IronPort Anti-Spam is backed by an interdisciplinary team of experts with backgrounds in email security, machine learning, and human genomics. As a leader in preventive threat detection techniques, Cisco employs security experts who constantly innovate to stay ahead of emerging threats. Cisco IronPort Anti-Spam is integrated with the Cisco IronPort Threat Operations Center, which helps ensure a high level of accuracy and responsiveness.

Promotes Ease of Use and Near-Zero Administration Cisco’s automatic, timely, and highly secure rule updates eliminate the need for ongoing manual tuning and maintenance to catch emerging threats. This time savings, combined with comprehensive reporting, gives administrators powerful insight into their email traffic.

Adds a Global Solution Cisco IronPort Anti-Spam uses locale-specific, content-aware threat detection techniques. It also takes full advantage of globally representative SMTP and HTTP content-independent data contributed by more than 120,000 ISPs, universities, and corporations on six continents.

Delivers Industry-Leading Performance Cisco IronPort spam-filtering technologies deliver industry-leading performance based on real-world mail streams. Cisco IronPort Reputation Filters:
  • Decrease email bandwidth consumption by as much as 90 percent
  • Greatly improve system efficiency
  • Reduce the number of messages that need to be processed

Additionally, the innovative Cisco IronPort CASE performs multiple evaluations simultaneously during a single message scan, eliminating unnecessary computational overhead.


Download the IronPort Anti-Spam Data Sheet (PDF).