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Latest Backscatter Stories

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2011-05-25 13:50:00

The Transportation Security Administration (TSA) said on Tuesday that new tests of full-body scanners deployed at airports found that the radiation they emit was within acceptable levels. The machines have been deployed at dozens of airports to thwart attacks on the U.S. aviation system, which has continued to be a prime target of al Qaeda militants. "The latest reports confirm previous testing and show that every backscatter unit currently used for passenger screening in U.S. airports is...

2011-02-24 23:36:31

Adding particles to liquids to make currents visible is a common practice in the study of fluid mechanics, one that was adopted and perfected by artist Paul Matisse in sculptures he calls Kalliroscopes. Matisse's glass-enclosed liquid sculptures contain an object whose movement through the liquid creates whorls that can be seen only because elongated particles trailing the object align with the direction of the current; light reflects off the particles, making the current visible to the...

2011-02-18 14:27:00

OAK RIDGE, Tenn., Feb. 18, 2011 /PRNewswire-USNewswire/ - Knoxville-Oak Ridge Innovation Valley®-based Nucsafe is doing its part to assure the safety of the final Space Shuttle Discovery mission scheduled for later this month. NASA astronaut Mark Kelly, husband of critically wounded congresswoman Gabrielle Giffords, is scheduled to command the mission. Kelly and his crew will depend upon Nucsafe's back scatter x-ray imaging technology to assure the structural...

2010-12-04 00:00:43

Study by Lab42 reveals TSA's new enhanced pat downs pressure travelers to accept backscatter X-rays. Chicago (PRWEB) December 2, 2010 Lab42, an innovative market research start-up, published results today of a study revealing travelers' sentiments regarding new TSA security guidelines. With the peak travel season now underway, Transportation Security Administration's (TSA) new security guidelines have recently become a subject of controversy. In many airports across the country, travelers...

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2008-11-18 10:48:19

An ESA campaign carried out in Austria has demonstrated how snow, a key component in the Earth's water cycle and important source of fresh water, can be measured from space using radar. The campaign supports one of the main objectives of the candidate Earth Explorer CoReH2O. Cold Regions Hydrology High-Resolution Observatory (CoReH2O) is one of six candidate Earth Explorer missions that has just completed an assessment study and will be presented to the science community at a User...

2008-10-21 11:35:00

By Jon Swartz SAN FRANCISCO -- E-mail users worldwide are being buried in a blizzard of bounced messages caused by spammers. Dubbed "backscatter spam," this latest fad is clogging e-mail accounts and slowing victims' inboxes to a crawl. Up to 3% of all e-mail today is backscatter, says Dmitry Samosseiko, manager of SophosLabs Canada. "It is a major problem, and it is getting worse," he says. How it works: Spammers collect real e-mail addresses, often through computer viruses that steal...

2008-09-06 03:00:06

By Chang, Grace Honda, Makio; Nencioli, Francesco Optical Sensors for Research and Long-Term Monitoring of the Underwater Environment The utility of ocean optics for environmental applications is based on decades of theoretical research and the development of technologies for underwater measurements of fundamental optical properties. The coupling between optical theory and technological advancements has resulted in widespread use of optical sensors for the monitoring and understanding of...

2008-08-21 09:00:33

Barracuda Networks Inc., the worldwide leader in email and Web security appliances, today announced a new feature in the Barracuda Spam Firewall that can differentiate legitimate Non-Delivery Report (NDR) messages - also known as bounce messages - from invalid NDR messages resulting from spoofing attacks. Using Invalid Bounce Suppression, the Barracuda Spam Firewall prevents "backscatter" messages from reaching innocent email senders. "Backscatter is an unfortunate side effect of the...

2008-08-11 12:00:27

Webroot, a provider of security software, has released its Webroot E-mail Security SaaS, which is claimed to offer protection against the threat of e-mail backscatter. According to the company, a side effect of spam, viruses and worms, backscatter occurs when a spammer spoofs a legitimate e-mail address to send an unsolicited message to large distribution lists, causing the e-mail server to flood an unsuspecting e-mail address of owner's mailbox with large number of failed delivery messages...

2008-08-05 09:00:27

Webroot, a leading provider of security software for the consumer, enterprise and SMB markets, today announced the latest release of Webroot(R) E-mail Security SaaS which features advanced protection against the growing threat of e-mail "backscatter." A side effect of spam, viruses and worms, backscatter occurs when a spammer spoofs a legitimate e-mail address to send an unsolicited message to large distribution lists, causing the e-mail server to flood an unsuspecting e-mail address owner's...