Data Security Expert From Tumbleweed Available for Commentary on State Department Politician Passport Security Breach

Tumbleweed Communications Corp (NASDAQ:TMWD):
Who: Dr. Taher Elgamal, Chief Technology Officer, Tumbleweed(R)
Communications Corp.

Dr. Elgamal is a leading expert in computer, network and
information security, recognized as the "inventor of SSL," the
technology used to secure internet communications.

What: All three leading candidates for the US Presidency suffered
breaches to their confidential passport records, kept
confidential by law at the State Department. This breach
underscores the need for stringent data security and data
access policies for organizations of all sizes storing
sensitive data.
Available to discuss:
-- How the breach of privacy occurred at the State Department
-- How this could have been avoided
-- What organizations should consider to ensure data security
for their own sensitive files

When: Immediately

Where: Available via phone or for on-camera interviews at various
San Francisco Bay Area locations.

SAFE HARBOR STATEMENT

Tumbleweed cautions that forward-looking statements contained in this press release are based on plans and expectations as of the date of the press release, and that a number of factors could cause the actual results to differ materially from the guidance given at this time. These factors are described in the Safe Harbor statement below.

Except for the historical information contained herein, the matters discussed in this press release may constitute forward-looking statements that involve risks and uncertainties that could cause actual results to differ materially from those projected, particularly with respect to the availability of Dr. Elgamal at any specific time, as well as the content of any commentary provided by Dr. Elgamal. In some cases, forward-looking statements can be identified by terminology such as "may," "will," "should," "potential," "continue," "expects," "anticipates," "intends," "plans," "believes," "estimates," and similar expressions. For further cautions about the risks of investing in Tumbleweed, we refer you to the documents Tumbleweed files from time to time with the Securities and Exchange Commission, particularly Tumbleweed's Form 10-K filed March 17, 2008.

Tumbleweed assumes no obligation to update information contained in this press release. Although this release may remain available on Tumbleweed's website or elsewhere, its continued availability does not indicate that Tumbleweed is reaffirming or confirming any of the information contained herein.

About Tumbleweed

Tumbleweed Communications Corp. (NASDAQ:TMWD), an industry leader in managed file transfer and email security, provides enterprise-class solutions to organizations of all sizes. Tumbleweed's innovative products enable organizations to effectively manage and protect business-critical Internet communications, with capabilities that span secure file transfer, encryption, data loss prevention, and email security. Tumbleweed has more than 3,200 customers worldwide, including blue-chip companies across an array of industries such as Technology, Retail, Finance, Healthcare, Manufacturing, Consumer Packaged Goods, Telecom, Energy, and the U.S. Government. The world's most security conscious organizations rely upon Tumbleweed technology including Bank of America Securities, JP Morgan Chase & Co., the U.S. Food and Drug Administration, and the U.S. Department of Defense. Our award-winning products build on 15 years of R&D and 27 security patents in the U.S. alone -- many of which are licensed by other security vendors. More information can be found at www.tumbleweed.com.

Tumbleweed is a registered trademark of Tumbleweed Communications Corp. in the United States and/or other countries. All other trademarks are the property of their respective owners.