ManTech CSI’s Crowbar™ Helps Law Enforcement and Military Unlock PIN Protected Data

ManTech Cyber Solutions International, Inc. (ManTech CSI), a wholly-owned subsidiary of ManTech International Corporation (Nasdaq:MANT), announces its most recent product, Crowbar. This unique digital forensic tool was designed to perform critical functions needed by the law enforcement and military digital forensics community. Crowbar deciphers personal identification numbers (PINs) on multi-media flash memory cards typically used in mobile phones, personal digital assistants, digital cameras, and other devices. ManTech CSI is proud to partner with Teel Technologies (www.TeelTech.com) as a value-added reseller.

"We developed Crowbar as a solution to a dilemma faced by many of our customers – how to recover PIN-protected data from electronic devices taken into evidence,” said Alex Nieves, President of ManTech CSI. "Crowbar is currently being used successfully by our customers and we are excited about the growing demand for this product.”

Crowbar is available for sale to federal, state and local government agencies.

Crowbar cracks the code

Crowbar addresses several forensics challenges. For example, many traditional forensics tools will identify a PIN-locked flash memory card as "corrupt" without indicating that the card may be PIN-locked. Crowbar is able to determine if a memory card is PIN-locked, corrupt, or damaged.

Before Crowbar, the only way a military, law enforcement or civilian government investigator could unlock these storage devices was to obtain the PIN from the owner, or manually guess at the PIN. Crowbar gives investigators access to data stored on PIN-locked secure digital or multi-media card flash memory cards by rapidly attempting to determine the PIN.

Crowbar is a user-friendly, portable, handheld device that is designed for tactical field operations. Crowbar delivers results by:

• Saving precious field-investigation time by attempting to crack PINS faster and more efficiently than could be done manually
• Creating forensically sound images of unlocked cards for further examination back at the lab
• Serving as a write-blocked card reader for unlocked cards.

For additional information on Crowbar including a demonstration and pricing, email: Crowbar@CyberSolutions.ManTech.com.

About ManTech Cyber Solutions International, Inc.

ManTech Cyber Solutions International, Inc. (CSI), headquartered in Vienna, VA, is a wholly-owned subsidiary of ManTech International Corporation. ManTech CSI specializes in the development of cyber products and security solutions for federal, state and local governments as well as commercial enterprises. ManTech CSI leverages the advanced capabilities of ManTech’s numerous research and development laboratories to produce new products that solve the hardest problems in the cyber field. Please visit http://CyberSolutions.ManTech.com for more information.

About ManTech International Corporation:

Headquartered in Fairfax, Virginia with approximately 8,000 professionals, ManTech International Corporation is a leading provider of innovative technologies and solutions for mission-critical national security programs for the Intelligence Community; the departments of Defense, State, Homeland Security and Justice; the Space Community, National Oceanic and Atmospheric Administration, and other U.S. federal government customers. ManTech’s expertise includes systems engineering, systems integration, software development services, enterprise architecture, cyber security, information assurance, intelligence operations and analysis support, network and critical infrastructure protection, information operations and information warfare support, information technology, communications integration, global logistics and supply chain management, and service oriented architectures. The company supports the advanced telecommunications systems that are used in Operation Iraqi Freedom and in other parts of the world; has developed a secure, collaborative communications system for the U.S. Department of Homeland Security; and builds and maintains secure databases that track terrorists. The company operates in the United States and 40 countries. In 2008, BusinessWeek magazine chose ManTech for its ‘InfoTech 100’ listing representing the best performing tech companies in the world; Forbes.com named ManTech as one of the 400 Best Big Companies in the nation; and A-Space, a Web 2.0 enhanced collaboration tool that ManTech developed for the Intelligence Community was named one of the Top 50 Inventions of the Year by Time magazine. Also in 2008, GI Jobs magazine named ManTech a Top Ten Military Friendly Employer for the third year in a row. Additional information on ManTech can be found at www.mantech.com.

Forward-Looking Information:

Statements and assumptions made in this press release, which do not address historical facts, constitute "forward-looking" statements that ManTech believes to be within the definition in the Private Securities Litigation Reform Act of 1995 and involve risks and uncertainties, many of which are outside of our control. Words such as "may,” "will,” "intends,” "should,” "expects,” "plans,” "projects,” "anticipates,” "believes,” "estimates,” "predicts,” "potential,” "continue,” or "opportunity," or the negative of these terms or words of similar import are intended to identify forward-looking statements.

These forward-looking statements are subject to known and unknown risks and uncertainties, which could cause actual results to differ materially from those anticipated, including, without limitation: adverse changes in U.S. government spending priorities; failure to retain existing U.S. government contracts, win new contracts, or win recompetes; adverse results of U.S. government audits of our government contracts; risks associated with complex U.S. government procurement laws and regulations; adverse effect of contract consolidation; risk of contract performance or termination; failure to obtain option awards, task orders or funding under contracts; adverse changes in our mix of contract types; failure to successfully integrate recently acquired companies or businesses into our operations or to realize any accretive or synergistic effects from such acquisitions; failure to identify, execute or effectively integrate future acquisitions; and competition. These and other risk factors are more fully discussed in the section entitled "Risks Factors" in ManTech's Annual Report on Form 10-K filed with the Securities and Exchange Commission on February 27, 2009, and, from time to time, in ManTech's other filings with the Securities and Exchange Commission, including among others, its reports on Form 10-Q.

The forward-looking statements included in this news release are only made as of the date of this news release and ManTech undertakes no obligation to publicly update any of the forward-looking statements made herein, whether as a result of new information, subsequent events or circumstances, changes in expectations or otherwise.