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The CIsco Ironport Web Data Security solution
Data-stealing malware presents a real and imminent threat to business today,
and is the starting point for any discussion

on data security for the web. The Cisco IronPort web security appliance provides
the best protection against data-stealing

malware, using Cisco IronPort Web Reputation Filters, the Cisco IronPort Dynamic Vectoring and Streaming (DVS) engine

and the Layer 4 Traffc Monitor (L4TM). These technologies prevent Trojans and other malicious applications from entering the

network, while blocking the “phone home” data connections from existing malware.

The data loss problem extends well beyond malware. Employees can easily use webmail to
send a message including

proprietary information, post confdential data on social networks and blogs, or transfer fnancial documents over FTP to a

server outside the corporate network. Making sure that sensitive data does not leave
the corporate boundary – while allowing

users to leverage the full power of the Internet – is an important and challenging issue to solve.

Cisco IronPort web security appliances enable organizations to take quick, easy steps to enforce simple, common sense data

security policies. For example, preventing engineers from sending design fles by webmail,
blocking uploads by fnance staff

of Excel spreadsheets over 100KB, or preventing posts of content to blogs or social networking sites. These simple data security policies can be created for outbound traffc on HTTP, HTTPS and FTP.

For enterprises that have already invested in special-purpose DLP systems, Cisco IronPort web security appliances offer the

option to interoperate with DLP vendors via ICAP. By directing all outbound HTTP, HTTPS and FTP traffc to the third-party

DLP appliance, organizations can allow or block based on the third-party rules and policies.
This also enables deep content
inspection for regulatory compliance and intellectual property (IP) protection, incident severity defnition, case management and performance optimization.

Resource Center
Case Study
Four Seasons Healthcare
Proximity London
White Paper
Core Architecture
Reputation Based Control
Web Reputation


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