Silent Skype calls can hide secret messages









































Got a secret message to send? Say it with silence. A new technique can embed secret data during a phone call on Skype. "There are concerns that Skype calls can be intercepted and analysed," says Wojciech Mazurczyk at the Institute of Telecommunications in Warsaw, Poland. So his team's SkypeHide system lets users hide extra, non-chat messages during a call.












Mazurczyk and his colleagues Maciej Karaś and Krysztof Szczypiorski analysed Skype data traffic during calls and discovered an opportunity in the way Skype "transmits" silence. Rather than send no data between spoken words, Skype sends 70-bit-long data packets instead of the 130-bit ones that carry speech.












The team hijacks these silence packets, injecting encrypted message data into some of them. The Skype receiver simply ignores the secret-message data, but it can nevertheless be decoded at the other end, the team has found. "The secret data is indistinguishable from silence-period traffic, so detection of SkypeHide is very difficult," says Mazurczyk. They found they could transmit secret text, audio or video during Skype calls at a rate of almost 1 kilobit per second alongside phone calls.












The team aims to present SkypeHide at a steganography conference in Montpellier, France, in June.


















































If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.




































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Korean sports star's suicide echoes death of actress-wife






SEOUL: Police confirmed Monday that a former baseball star and ex-husband of a top South Korean actress, whose 2008 suicide shocked the country, took his own life over the weekend.

Cho Sung-Min, a former pitcher for Japanese baseball team Yomiuri Giants, was found dead early Sunday with a belt around his neck by his girlfriend in the bathroom of her Seoul apartment.

"The autopsy result showed death due to hanging," Yonhap news agency quoted a senior police officer as saying, "We've concluded the case as suicide."

In a final text to his girlfriend, Cho had written: "Thank you for everything. Hang tough even after I am gone."

The 39-year-old was the former husband of the hugely popular actress Choi Jin-Sil, who took her own life in similar fashion in 2008, four years after their marriage ended.

Choi, who had two children with Cho, was found hanging from a length of elastic at her Seoul home.

Relatives and friends said she had been depressed since her divorce and troubled by rumours circulating on the Internet that she had caused another actor's suicide by demanding repayment of debts he owed her.

Her death shocked the country and prompted a police crackdown on cyber-bullying.

In 2010 Choi's younger brother, singer Choi Jin-Young, also hanged himself while suffering from severe depression.

Suicide is the most common cause of death among those in their 20s and 30s in South Korea, which has the highest suicide rate among member nations of the Organisation for Economic Cooperation and Development.

-AFP/fl



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Hey control freaks, Alarm.com has a home system for you



LAS VEGAS -- Designed for the control freak, Alarm.com's all-in-one connected home system offers remote access to nearly every item in your home, meaning you can watch Fido from afar or do something far more practical like turn off the lights.

Launched in 2010, the integrated Alarm.com system and software platform supports home security control, energy management, and video surveillance.

Switch the lights off, adjust the thermostat, close the blinds, watch a live video feed, open the garage door, disarm the alarm, or unlock the front door with a touch button. With the Alarm.com system, home controls are accessible via a Web dashboard or through smartphone applications for iOS,
Android, BlackBerry, and
Windows Phone 7. Customers can also configure push notifications to stay current on household changes as well as view a history of all actions.

"Not surprisingly, a lot of people like using video to watch their cats and dogs when they're traveling or at work," Alison Slavin, vice president of product management, told CNET.

The company works with a variety of established security companies so that people can adopt a do-it-yourself approach to connecting their home devices to Alarm.com's platform.

Alarm.com has 1.4 million households using its home automation system, Slavin said. The company, she added, has a presence at
CES to better get the word out about its product, which it touts as the only system that lets consumers perform a variety of home control functions from one dashboard or application.

The prices for Alarm.com's subscription-based service are based on the number of connected products. Contracts range from $35 to $55 per month. The 12-year-old company also charges an initial setup fee and offers additional for-charge installation services.

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Best Pictures: 2012 Nat Geo Photo Contest Winners









































































































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var store_43331 = new ecommerce_43331();





store_43331.init();









































































































































































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Pastor Accused of Killing Wives Faces Trial













Jury selection is scheduled to begin Monday for Pastor Arthur Schirmer, who is accused of killing his second wife and then staging a car accident to hide it.


Schirmer, 64, also faces a second trial at a later date for the death of his first wife. He has said he is innocent of all charges.


In 2008, the pastor and his wife, Betty, were involved in what appeared at the time to be a car crash. Schirmer told police at the time that he had been driving 55 mph and swerved to miss a deer, causing him to drive off the road, according to a police affidavit obtained by ABC News.


Schirmer also said at the time that his wife's head had come forward and struck the windshield, according to the affidavit. Betty died a day later and her body was cremated at the request of Schirmer.


It wasn't until a grisly suicide in 2010 inside Schirmer's office that authorities decided to revisit the case of Betty Schirmer's death and arrest the pastor.


The man who broke in and shot himself at the desk in Schirmer's office at the Reeders United Methodist Church, Joseph Mustante, was the husband of the pastor's secretary, Cynthia Mustante, Poconos Township Police Detective James Wagner said.






Pocono Record, David Kidwell/AP Photo











Mustante's suicide was prompted by the discovery that his wife and the pastor had apparently been having an affair, Wagner said. He was alone at the time of his death.


Investigators looking into the suicide say that several church parishioners had concerns about the deaths of Schirmer's two wives.


"That suicide eventually exposed the affair publicly and subsequent to that, questions arose about the loss of [Schirmer's] wives and his character became questionable," Wagner said.


Relaunching the investigation into the two deaths, Wagner said he quickly suspected that "foul play existed, and the car crash was staged," allegedly, by Schirmer. Wagner said investigators also believed there was something "suspicious" about the first wife's death, a marriage that investigators had not known about prior to the suicide.

Investigators Look Into Deaths of Rev. Arthur Schirmer's Wives



Schirmer's first wife, Jewel, died in April 1999 from a traumatic brain injury after she purportedly fell down a flight of stairs in Lebanon, Pa., Wagner said.


Lebanon is about 100 miles southwest of Reeders, where Schrimer later moved with his second wife.


At the time of Jewel's death, Wagner said, a relative told police that he suspected Schirmer may have had a hand in his wife's death but that the investigation was "never completed."


On Dec. 11, 2012 -- more than 13 years after Jewel died, a Lebanon County judge ruled Schirmer would be tried for her murder.


When investigators looked at the death of Betty Schirmer, they saw inconsistencies, Wagner said.


"There was no airbag deployment and it simply looked like a car that had driven off the road at a very low speed," Wagner said. "It didn't match the injuries to [Betty's head].


"I know there are people out there who probably know him and feel like there is absolutely no way he would be capable of doing this," Wagner of Schirmer. "But they clearly don't know him."



Read More..

Silent Skype calls can hide secret messages









































Got a secret message to send? Say it with silence. A new technique can embed secret data during a phone call on Skype. "There are concerns that Skype calls can be intercepted and analysed," says Wojciech Mazurczyk at the Institute of Telecommunications in Warsaw, Poland. So his team's SkypeHide system lets users hide extra, non-chat messages during a call.












Mazurczyk and his colleagues Maciej Karaś and Krysztof Szczypiorski analysed Skype data traffic during calls and discovered an opportunity in the way Skype "transmits" silence. Rather than send no data between spoken words, Skype sends 70-bit-long data packets instead of the 130-bit ones that carry speech.












The team hijacks these silence packets, injecting encrypted message data into some of them. The Skype receiver simply ignores the secret-message data, but it can nevertheless be decoded at the other end, the team has found. "The secret data is indistinguishable from silence-period traffic, so detection of SkypeHide is very difficult," says Mazurczyk. They found they could transmit secret text, audio or video during Skype calls at a rate of almost 1 kilobit per second alongside phone calls.












The team aims to present SkypeHide at a steganography conference in Montpellier, France, in June.


















































If you would like to reuse any content from New Scientist, either in print or online, please contact the syndication department first for permission. New Scientist does not own rights to photos, but there are a variety of licensing options available for use of articles and graphics we own the copyright to.




































All comments should respect the New Scientist House Rules. If you think a particular comment breaks these rules then please use the "Report" link in that comment to report it to us.


If you are having a technical problem posting a comment, please contact technical support.








Read More..

ECB to ring in New Year with rates on hold






FRANKFURT: The European Central Bank will usher in 2013 with steady interest rates at its first policy meeting this year to keep up the pressure on governments to solve the debt crisis, analysts predict.

With ECB interest rates currently at record lows and its latest anti-crisis weapon ready and primed for action, central bank chief Mario Draghi will not pass up the opportunity to insist once again that only governments can resolve the long-running crisis, economists said.

"Whilst a (rate) cut cannot be entirely ruled out, we do not expect the governing council to change interest rates at its meeting on Thursday," said Commerzbank economist Michael Schubert.

"On the one hand, ECB executive board members have tried to dampen rate cut speculation over recent weeks, and on the other, important sentiment indicators have increased once again," he said.

On Friday, the closely watched Purchasing Managers Index (PMI) for the entire euro area hit a nine-month high, offering hope the single currency area could be moving out of its deep double-dip recession.

Recent data for Germany, Europe's biggest economy, have also come in better than expected.

And German Finance Minister Wolfgang Schaeuble even went so far as to say he believed the embattled eurozone was now past the peak of its three-year-long debt crisis.

Market tensions have indeed eased since the ECB unveiled its anti-crisis bazooka in September, the so-called OMT bond-purchase programme.

The scheme is credited with marking a turning point in financial market sentiment towards the crisis-wracked euro even though it has not actually been used.

With markets now calmer, the ECB has been able to keep its gunpowder dry, keeping interest rates at their all-time low of 0.75 per cent and holding fire on other emergency anti-crisis measures as well, after pumping vast amounts of liquidity into the markets at the beginning of last year.

Nevertheless, at last month's meeting, ECB chief Draghi appeared to open the door to further rate cuts, crucially revealing that there had been "wide discussion" of such a move on the decision-making governing council and that the decision to keep rates on hold was anything but unanimous.

Commerzbank's Schubert pointed out, however, that top board members -- such as Yves Mersch, Peter Praet and Joerg Asmussen -- have all sought to play down possible rate cuts recently.

Deka Bank chief economist Ulrich Kater was similarly convinced that Draghi would not announce any monetary easing at his first press conference of the year.

"The policy of low interest rates is finally making itself felt in the periphery countries, thereby taking the pressure off the monetary policy actors to come up with new stimulus measures," he said.

"For the time being, there is no immediate need to act," he said.

In the United States, the US Federal Reserve hinted last week that its own huge programme of stimulus measures was under review and could be brought to an end sometime this year.

Capital Economics economist Jonathan Loynes cautioned, however, that "having prevented catastrophe in 2012 by pledging to do whatever it takes to save the euro, the ECB will have to follow words with actions in 2013".

While Loynes said he was expecting no policy changes to be announced on Thursday, "the pressure for action may soon be irresistible".

Postbank economist Thilo Heidrich said the likelihood of a rate cut was "wide open", but that he was betting on a further quarter-point reduction in the key refi rate to 0.5 per cent in the early months of this year and the ECB would keep it there "for some time to come".

Loynes at Capital Economics said that "despite the sizeable challenges facing the ECB (in 2013), it appears unlikely that it will take any steps towards meeting them at its meeting in January.

"No doubt Draghi will reaffirm that the ECB is ready to implement OMTs... and he may even show signs of warming to the idea of a cut in interest rates," Loynes said.

"Either way, though, he is likely to keep the onus on governments by stressing once again that the ECB cannot solve the region's debt crisis single-handedly," he concluded.

- AFP/fa



Read More..

Windows laptop sales sink -- but that's just part of the problem



Will businesses and consumers spring for a Windows 8 hybrid priced at $849 that's powered by a relatively pokey Atom processor?

Will businesses and consumers spring for a Windows 8 hybrid priced at $849 that's powered by a relatively pokey Atom processor?



(Credit:
Hewlett-Packard)


Windows 8 PC sales aren't trending well, according to a new report. And consumers' addiction to low cost may be a factor.


A blurb on Friday from the NPD Group said
Windows 8 holiday sales continue to not impress.


"The launch of Windows 8...did little to boost holiday sales or improve the yearlong Windows notebook sales decline," NPD said.


More specifically, Windows laptop "holiday unit sales" were down 11 percent year-to-year, the market researcher said.


Want more deets? The average selling price of a Windows laptop rose a hair -- $2 to $420, according to NPD.



Meanwhile, the average selling price of a MacBook rose almost $100 to $1,419 on a sales drop of 6 percent.


Upshot: Both Windows lappies and MacBooks saw sales decrease, but Apple made a $100 average selling price gain versus a couple of bucks for Windows.


Maybe a bigger part of the Windows sales problem is that the mix of systems has changed compared with the glory days of
Windows 7.


That is, Windows 7 was accompanied by a crush of ultracheap netbooks, according to an analysis at the Supersite for Windows -- which had some harsh words for netbooks.


"Many of those 20 million Windows 7 licenses each month -- too many, I think -- went to machines that are basically throwaway, plastic crap. Netbooks didn't just rejuvenate the market just as Windows 7 appeared, they also destroyed it from within," Paul Thurrott wrote.


"Now consumers expect to pay next to nothing for a Windows PC. Most of them simply refuse to pay for more expensive Windows PCs."


And, by the way, shipments of systems powered by Intel's power-efficient-yet-lower-performance Atom chip -- the same class of processors used in netbooks -- are barely a trickle at this point. And to make matters worse, some, like the $849
HP Envy x2, are priced way above the $399 netbooks of holiday seasons past.

There is a counterpoint to the NPD report, however. Analysts have told CNET that demand for touch-screen Windows 8 PCs in the U.S. is strong. Rhoda Alexander, an analyst at IHS iSuppli, told CNET last month that some vendors can't keep touch-screen PCs on the shelf.

So, if supply of touch-screen displays eases and system prices drop a bit, that could drive more sales. And prove to be an advantage over Apple, which doesn't have any touch-screen MacBooks.


At $749, Samsung's Intel Atom chip-based ATIV Smart PC is about $300 more than a Windows 7 Netbook.

At $749, Samsung's Intel Atom chip-based ATIV Smart PC is about $300 more than a Windows 7 Netbook.



(Credit:
Samsung)

Read More..

Best Pictures: 2012 Nat Geo Photo Contest Winners









































































































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store_43331.init();









































































































































































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Gun Show Near Newtown Goes on Despite Anger













A little more than 40 miles from Sandy Hook Elementary School, where last month 20 first graders and six staff members were massacred, gun dealers and collectors alike ignored calls to cancel a gun show, and gathered for business in Stamford, Conn.


Four other gun shows with an hour of Newtown, Conn., recently cancelled their events in the wake of the shootings, when 20-year-old Adam Lanza broke in to the elementary school with a semi-automatic assault rifle and three other guns.


The organizers in Stamford emphasized their show only displayed antique and collectible guns, not military style assault weapons like the one used by Lanza in Sandy Hook.


Still, Stamford Mayor Michael Pavia had called for the show to close its doors, calling it "insensitive" to hold so close to the murders.


Gun show participant Sandy Batchelor said he wasn't sure about whether going ahead with the show was "insensitive," but said the shooter should be blamed, not the weapons he used.


"I don't have a solid opinion on [whether it is insensitive]," Batchelor said. "I'm not for or against it. I would defend it by saying it wasnt the gun."


In nearby Waterbury, the community cancelled a show scheduled for this weekend.


"I felt that the timing of the gun show so close to that tragic event would be in bad taste," Waterbury Police Chief Chief Michael J. Gugliotti said.












National Rifle Association News Conference Interrupted by Protesters Watch Video





Gugliotti has halted permits for gun shows, saying he was concerned about firearms changing hands that might one day be used in a mass shooting.


Across the state line in White Plains, N.Y, Executive Rob Astorino also canceled a show, three years after ending a had that had been in place since the 1999 Columbine High School shooting in Colorado. He said he felt the show would be inappropriate now.


But across the country, farther away from Connecticut, attendance at gun shows is spiking, and some stores report they can hardly keep weapons on their shelves with some buyers fearful of that the federal government will soon increase restrictions on gun sales and possibly ban assault weapons altogether.


"We sold 50-some rifles in days," said Jonathan O'Connor, store manager of Gun Envy in Minnesota.


President Obama said after the Sandy Hook shooting that addressing gun violence would be one of his priorities and Rep. Nancy Pelosi, D-Calif., said she would introduce an assault weapons ban this month.


But it is not just traditional advocates of gun control that have said their need to be changes in gun laws since the horrific school shooting.


Republican Sen. Kay Bailey Hutchison of Texas and Virginia Sen. Mark Warner, a Democrat but a long-time opponent of gun control who like Hutchison has received an A rating from the NRA, have both come out in support of strengthening gun laws.


In Stamford, gun dealer Stuart English said participants at the gun show there are doing nothing wrong.


"I have to make a living. Life goes on," gun dealer Stuart English said.


ABC News asked English, what he thought about the mayor of Stamford calling the show "insensitive."


"He's wrong," English said. "This is a private thing he shouldn't be expressing his opinion on."


If you have a comment on this story or have a story idea, you can tweet this correspondent @greenblattmark.


The Associated Press contributed to this report.



Read More..