ArcSight Protect '10 Conference Opens to Sold-Out Crowd of More than One Thousand.

Sixth Annual Gathering of Top Security Professionals, Headlined by ArcSight Top Executives, Former Deputy Director of NSA and Heartland Payment Systems

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ARCSIGHT PROTECT '10 CONFERENCE OPENS TO SOLD-OUT CROWD OF MORE THAN ONE THOUSAND

Sixth Annual Gathering of Top Security Professionals, Headlined by ArcSight Top Executives, Former Deputy Director of NSA and Heartland Payment Systems

ArcSight, Inc. (NASDAQ: ARST), a leading global provider of cybersecurity and compliance solutions, today announced that the sixth annual ArcSight conference will open with a sellout crowd. ArcSight President and CEO Tom Reilly and ArcSight CTO and EVP of Research and Development Hugh Njemanze will kick off the event with their keynote addresses. In addition, keynote panels at the event will feature William Crowell, former Deputy Director of Operations and Deputy Director of the NSA; Dr. Prescott Winter, ArcSight CTO, Public Sector and former CIO and CTO of the NSA; Kris Herrand, CTO of Heartland Payment Systems; Eneken Tikk, Estonia's Head of Legal and Policy Branch, Cooperative Cyber Defence Centre of Excellence; and Joseph Menn, Author of Fatal System Error.

From today through Wednesday, September 22, over 1000 participants will descend upon the Gaylord National Resort and Convention Center, just outside of Washington, D.C., for the event. It will include three full days of intense training sessions, breakout sessions, hands-on immersion programs, customer presentations highlighting real-world practical solutions, tips and best practices, and networking activities to connect ArcSight users with the brightest minds in the industry.

"It's not just the expert speakers who really make this conference, but also the customers and partners," said Tom Reilly, President and CEO, ArcSight. "Users can benefit from learning not only the latest in cyber security from top experts, architects and professionals in the field, but also by hearing real-world examples of how businesses and government agencies can deal with the risks associated with modern cyberthreats, including cybertheft, cyberfraud, cyberwarfare and cyberespionage."

Highlights of this year's conference include the following:

Keynote Panel: "Infrastructure Protection and Advanced Persistent Threat Management - Lessons Learned in the Private and Public Sector."

This panel will be moderated by William Crowell and include panelists:

* Dr. Phyllis Schneck, VP Threat Intelligence, Office of the CTO, McAfee

* Dr. Prescott Winter, CTO, Public Sector, ArcSight

* Kris Herrin, CTO, Heartland Payment Systems

* Tim McKnight, Vice President and CISO, Northrop Grumman

Keynote Panel: "International Perspectives on CyberCrime - How Governments with Borders Deal with an Internet That Has None."

Dr. Prescott Winter will moderate this panel with special guest Eneken Tikk, Head of Legal and Policy Branch, Cooperative Cyber Defence Centre of Excellence for Estonia. They will discuss how to take the management of cybersecurity and countermeasures to combat cybercrime across international boundaries.

Keynote Panel: "The Future of Global CyberCrime."

Moderator Joseph Menn, Author, along with Barrett Lyon, CEO 3Crowd Technologies; Entrepreneur, Influential Technologist and CyberProtector, and Andy Crocker, COO, CyByL Technologies; former Investigator, UK National Hi-Tech Crime Unit, will reveal behind the scenes insights surrounding today's underworld of cybercrime as documented in Mr. Menn's recent book, Fatal System Error. They will reflect on their first hand experiences combating cyber criminals and share their perspectives on what is needed to enable true sustained international cooperation and discuss how companies can best protect themselves.

Keynote Panel: "Enterprise Threat and Risk Management in the Real World."

Moderated by Colby DeRodeff, Principal Enterprise Strategist, ArcSight, this keynote will provide real-world insights on how to finally remove the security blind spots lurking in your enterprise.

Panelists include:

* Patty Long, Director of Information Security, ING Americas

* Steve Brown, Director of Enterprise Information Management Operations, Wells Fargo

* Nick Galletto, Partner, Technology Risk and Security, Deloitte Canada

President and CEO Tom Reilly's keynote speech, "A Formula for CyberSecurity Success," will address the monitoring skills and the flexibility companies need to adjust and respond to changing threats.

In the keynote address from Founder and CTO Hugh Njemanze, the audience will learn about advances in the ArcSight product family, in addition to recently released products and new developments on the ArcSight horizon.

For more information on the conference schedule and activities, please visit: http://www.arcsight.com/protect10/

About ArcSight

ArcSight (NASDAQ: ARST) is a leading global provider of cybersecurity and compliance solutions that protect organizations from enterprise threats and risks. Based on the market-leading SIEM offering, the ArcSight Enterprise Threat and Risk Management (ETRM) platform enables businesses and government agencies to proactively safeguard digital assets, comply with corporate and regulatory policy and control the internal and external risks associated with cybertheft, cyberfraud, cyberwarfare and cyberespionage. For more information, visit www.arcsight.com.

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