Twitter: 250,000 users' data compromised in hacking attacks

#1157946: Twitter bird logo, social networking and microblogging service, graphic element on white / AP Graphics

Twitter said today that it recently detected a series of attempts to hack into user data, and that the attackers may have successfully absconded with some users' information.

In a blog post Friday afternoon, Twitter explained the situation, and the steps it has taken to fight off the hackers.

This week, we detected unusual access patterns that led to us identifying unauthorized access attempts to Twitter user data. We discovered one live attack and were able to shut it down in process moments later. However, our investigation has thus far indicated that the attackers may have had access to limited user information - usernames, email addresses, session tokens and encrypted/salted versions of passwords - for approximately 250,000 users. As a precautionary security measure, we have reset passwords and revoked session tokens for these accounts. If your account was one of them, you will have recently received (or will shortly) an email from us at the address associated with your Twitter account notifying you that you will need to create a new password. Your old password will not work when you try to log in to Twitter.

Twitter said in the post that a very small number of users were affected by the hacking, but it encouraged everyone who uses the service to ensure that they are practicing "good password hygiene, on Twitter and elsewhere on the Internet." Among its suggestions: using unique passwords of at least ten characters, including a mix of upper and lower case letters, numbers, and symbols. Based on attacks on other high-profile tech and media companies, Twitter also said it is recommending the U.S. Department of Homeland Security's recent advisory on disabling Java, among other precautions.

This attack was not the work of amateurs, and we do not believe it was an isolated incident. The attackers were extremely sophisticated, and we believe other companies and organizations have also been recently similarly attacked. For that reason we felt that it was important to publicize this attack while we still gather information, and we are helping government and federal law enforcement in their effort to find and prosecute these attackers to make the Internet safer for all users.

This article originally appeared on CNET under the headline "Twitter says 250,000 users' data compromised in hacking attacks"

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Gov's Handling of Sandusky Case Under Investigation

The newly-elected attorney general of Pennsylvania is going after the state's governor, Tom Corbett, who was attorney general when child sex allegations against Penn State coach Jerry Sandusky were first brought forward.

Kathleen Kane, a Democrat who was sworn in as attorney general on Jan. 15, said that she will name a special prosecutor in the coming days to investigate Corbett's handling of the Sandusky case. Corbett is a Republican.

The investigation will look specifically at why it took the attorney general's office three years to bring criminal charges against Sandusky while he continued to have access to children.

"Attorney General Kane will appoint a special prosecutor to lead the office's internal investigation into how the Sandusky child abuse investigation was handled by the Office of the Attorney General," Kane's office said in a statement released today.

Corbett's attorney general's office was first notified of the allegations against Sandusky in 2008 when a high school student told his mother and school that Sandusky had molested him. The local district attorney passed the allegation on to the attorney general, then Corbett. Corbett convened a grand jury.

Mario Tama; Patrick Smith/Getty Images

Jerry Sandusky Insists Innocence Before Sentencing Watch Video

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It wasn't until 2011 that sex abuse charges were filed against Sandusky while Corbett had since become governor. Sandusky was convicted on 45 counts of sex abuse in June 2012.

The charges sent shockwaves throughout Pennsylvania, as Penn State's president, two top officials, and legendary coach Joe Paterno all lost their jobs over the scandal.

"Why did it take 33 months to get Sandusky off the streets? Was the use of a grand jury the right decision? Why were there so few resources dedicated to the investigation? Were the best practices implemented?" the statement from Kane's office read.

"At the end of this investigation, we will know the answers to these questions and be able to tell the people of Pennsylvania the facts and give them answers that they deserve," the statement said.

Describing an interview Kane gave the New York Times, the Times said Kane suggested that Corbett did not want to upset voters or donors in the Penn State community before his gubernatorial run in 2009.

Corbett has denied those suggestions. His office did not immediately return calls for comment.

Kane's office preemptively fought back against the idea that the investigation is politically motivated. Kane, a Democrat, defeated the incumbent attorney general, Linda Kelly, a Republican in November 2011. Corbett is a Republican.

"The speculation that this is about politics is insane," a staff member in Kane's office told ABC News today. "You go anywhere in Pennsylvania and anywhere across the country and you'll find individuals asking, 'why did it take three years? Why was there a grand jury? Why make these kids talk to 30 different people about what happened?"

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Mind-meld brain power is best for steering spaceships

TURNS out two heads really are better than one. Two people have successfully steered a virtual spacecraft by combining the power of their thoughts - and their efforts were far more accurate than one person acting alone. One day groups of people hooked up to brain-computer interfaces (BCIs) might work together to control complex robotic and telepresence systems, maybe even in space.

A BCI system records the brain's electrical activity using EEG signals, which are detected with electrodes attached to the scalp. Machine-learning software learns to recognise the patterns generated by each user as they think of a certain concept, such as "left" or "right". BCIs have helped people with disabilities to steer a wheelchair, for example.

Researchers are discovering, however, that they get better results in some tasks by combining the signals from multiple BCI users. Until now, this "collaborative BCI" technique has been used in simple pattern-recognition tasks, but a team at the University of Essex in the UK wanted to test it more rigorously.

So they developed a simulator in which pairs of BCI users had to steer a craft towards the dead centre of a planet by thinking about one of eight directions that they could fly in, like using compass points. Brain signals representing the users' chosen direction, as interpreted by the machine-learning system, were merged in real time and the spacecraft followed that path.

The results, to be presented at an Intelligent User Interfaces conference in California in March, strongly favoured two-brain navigation. Simulation flights were 67 per cent accurate for a single user, but 90 per cent on target for two users. And when coping with sudden changes in the simulated planet's position, reaction times were halved, too. Combining signals eradicates the random noise that dogs EEG signals. "When you average signals from two people's brains, the noise cancels out a bit," says team member Riccardo Poli.

The technique can also compensate for a lapse in attention. "It is difficult to stay focused on the task at all times. So when a single user has momentary attention lapses, it matters. But when there are two users, a lapse by one will not have much effect, so you stay on target," Poli says.

NASA's Jet Propulsion Lab in Pasadena, California, has been observing the work while itself investigating BCI's potential for controlling planetary rovers, for example. But don't hold your breath, says JPL senior research scientist Adrian Stoica. "While potential uses for space applications exist, in terms of uses for planetary rover remote control, this is still a speculative idea," he says.

This article appeared in print under the headline "Two brains, one mind"

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Taiwan premier resigns over flagging economy

TAIPEI: Taiwanese Premier Sean Chen said Friday he has stepped down for health reasons, after the cabinet he heads came under fire for its poor handling of the economy.

"I have some health problems ... and I need to completely change my life and work style to reverse the situation," the 63-year-old finance expert told a press conference to announce his resignation.

"I believe that the economy will improve in the coming year. We have worked very hard on the planning for long-term issues and I hope everybody will continue to support the new team."

Deputy premier Jiang Yi-huah, 53, a scholar-turned-politician and a former interior minister, will take over his job, Chen said.

Chen's departure came as Taiwan's economy grew 1.25 percent in 2012 from a year ago at the slowest pace in three years due to shrinking exports.

Chen, who previously headed the Financial Supervisory Commission, the main industry regulator, had a tense term since taking office as premier in early 2012.

His cabinet frequently came under attacks over the sluggish economy and other controversial policies, with the opposition repeatedly demanding his resignation.

Last year, Chen survived a parliamentary no-confidence vote - only the second in Taiwan history - over what opposition lawmakers deemed as his cabinet's failure to curb rising unemployment and inflation.

Under Taiwan's political system the premier heads the cabinet and is appointed by the president.

- AFP/de

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X Games snowmobiler dies

By CNN Staff

updated 1:55 PM EST, Thu January 31, 2013

A photo of Caleb Moore's performance in the Snowmobile Freestyle Final during X Games Aspen 2013.

STORY HIGHLIGHTS

• NEW: Caleb Moore's brother also suffered an accident in the X Games


• Caleb Moore died a week after a snowmobile crash in the X Games


• The crash has raised new safety concerns about the games


• ESPN, which operates the X Games, says it will conduct a thorough review

(CNN) -- Snowmobiler Caleb Moore died Thursday, a week after a crash that has raised new safety concerns about the X Games. He was 25 years old.

"He will be truly missed and never forgotten," his family said in a statement.

"The family wishes to express their deep gratitude for all the prayers and support they have received from all the fans, friends and family around the world that Caleb has inspired. ... Arrangements for a celebration of life are being made and an announcement will be made in the coming days."

Moore, a freestyle snowmobiler, was attempting a backflip at the Winter X Games in Aspen, Colorado, when he couldn't rotate his machine enough to land properly. The skis dug into the lip of the slope, bringing the 450-pound snowmobile crashing down on him. The vehicle slammed into Moore's head and chest.

"We are deeply saddened by Caleb Moore's passing and our thoughts and prayers go out to his parents, Wade and Michelle, his brother, Colten, and the entire Moore family," ESPN, which organizes and televises the X Games, said in a statement. "He will be remembered for his natural passion for life and his deep love for his family and friends, and he will always be an inspiration to everyone he touched in the action sports community.

"As a result of this accident we will conduct a thorough review of this discipline and adopt any appropriate changes to future X Games."

The statement added that the X Games have long worked on safety issues and that nevertheless, "when the world's best compete at the highest level in any sport, risks remain. Caleb was a four-time X Games medalist attempting a move he has landed several times previously."

Colten Moore, 23, was also involved in an accident during Thursday's event. He was released from the hospital Saturday, according to his Facebook fan page.

Caleb Moore's Facebook page is carrying messages from fans. "R.I.P. Caleb," wrote Candi Clark-Hibbs, adding, "prayers to your family."

People we've lost in 2013: The lives they lived

CNN's Josh Levs, Brian Todd, Dugald McConnell, Christine Sever and Shawn Nottingham contributed to this report.

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Alaska Airlines plane lands safely after pilot passes out

Updated 3 a.m. EST

PORTLAND, Ore. An Alaska Airlines jetliner bound for Seattle made an emergency landing in Portland, Ore., Thursday night after the pilot lost consciousness, an airline spokesman said.

The co-pilot landed Flight 473 safely after declaring an emergency to get priority care for the pilot, spokesman Paul McElroy said. All of the airlines' pilots are trained to fly single-handedly.

The pilot lost consciousness "somewhere over Oregon," McElroy said, then later regained consciousness and left the cockpit. A doctor on board the flight tended to him in the cabin until the plane landed and was met by medical personnel on the runway.

The pilot, who was not identified, was taken to a hospital but there was no immediate word on his condition, McElroy said.

The Boeing 737-700, with 116 passengers and five crew members on board, left Los Angeles about 6:30 p.m. and was diverted to Portland, touching down there at about 9 p.m., reports CBS Portland affiliate KOIN-TV. It had been due to arrive in Seattle at 9:30 p.m.

McElroy says the pilot has been flying for Alaska for 28 years and was current on his six-month medical evaluation. The co-pilot is an 11-year Alaska Air veteran.

On Jan. 22, the co-pilot on an Alaska Airlines flight from Seattle to Las Vegas fainted briefly, and the pilot requested emergency landing priority to get prompt medical assistance for him.

"At this point, we do not believe there was a connection between the two incidents," McElvoy said.

Twenty passengers with a tight schedule for connecting flights were put on a Horizon Air shuttle flight to Seattle on Thursday night, the spokesman said.

A new pilot was dispatched to Portland to fly the remaining passengers to Seattle on board the same plane.

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Arias' Lawyer Shows Ex-Boyfriend's Lewd Photos

Accused murderer Jodi Arias was kept away from the Mormon friends of her lover Travis Alexander and their torrid sex affair was kept secret by Alexander, even as he sent lewd photos of himself to her online, according to court testimony today.

The testimony in Arias' trial for killing Alexander in 2008 was intended to bolster the defense's argument that she killed him in self defense, that Alexander was a sexual deviant who treated Arias as his "dirty little secret."

Arias' attorneys introduced as evidence photos that Alexander took of his penis and sent to Arias, part of a string of graphic messages and sexual phone calls the two engaged in while Alexander, an elder in the Mormon church, was supposed to be chaste.

Today's witness was the latest in a string called by the defense, including Alexander's former girlfriend Lisa Daidone, who told the court that Alexander had professed to be a virgin.

Daniel Freeman continued his testimony today, describing how he was a friend of both Arias and Alexander but that Alexander kept Arias distanced from his Mormon pals.

"Travis had made more friends at (the Mormon) ward, and had (Ultimate Fighting Championship) fight nights at his house many times, and Jodi was in town, but she wasn't there," Freeman said.

"There was that group of friends, them and Jodi, two different groups, and so Lisa [Daidone] and friends from church were there, but Jodi wasn't there," Freeman said.

Jodi Arias Murder Trial: Former Boyfriend Takes Stand Watch Video

Jodi Arias Murder Trial: Defense's First Day of Witnesses Watch Video

Alexander's behavior, the defense hopes to prove, shows that he mistreated Arias.

Arias, 32, is on trial for murdering Alexander, whom she dated for a year and continued to have a sexual relationship for a year after that. Her attorneys claim that Alexander was abusive and controlling toward Arias, and that she was forced to kill him.

Freeman described how he took a trip with his sister, Alexander, and Arias, and how Alexander had asked him to come along so that he and Arias "would not get physical."

"I don't know that I can say he didn't want to be alone with her, but he liked that when I was there, and my sister was there. They weren't as physical," Freeman said.

Freeman admitted that he had no idea Alexander and Arias had been having a sexual relationship the entire time they were together. He said Alexander never mentioned that to his friends.

In fact, Freeman noted that Alexander was considered to be a church elder when he baptized Arias into the Church of Latter-Day Saints. Both a church elder and a convert were expected to abide by the church's strict law of chastity, which banned any sexual relations outside of marriage.

"One thing people give up in this baptism process was sex," prosecutor Juan Martinez said. "Did you know she was having oral sex with Mr. Alexander at the time of her baptism? Would that be an insincere baptism?"

"She would not be ready to be baptized in that case," Freeman said.

"You were asked about Miss Arias, whether she was worthy of baptism if she was performing oral sex, but what about the elder receiving oral sex?" defense attorney Kirk Nurmi said.

"They would not be worthy of performing that ordinance at that time until they had gone through repentance," Freeman said. "They would go to a discipline council and could face excommunication or a probation period or have their priesthood removed."

Freeman said that Alexander never confessed to having a sexual relationship with Arias.

Freeman's testimony came on the third day of the defense's attempt to paint Alexander as a controlling, sex-obsessed liar who was cruel to Arias. Other witnesses have said that Alexander cheated on other women he dated with Arias, and lied to his friends and family about their relationship.

The defense also had Freeman point out that Alexander was strong and fit. They are expected to conclude that Alexander was physically threatening Arias when she killed him.

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Keep rainforests – they drive the planet's winds

WHAT creates the wind? Anyone will tell you that temperature differences are key. Hot air rises and is replaced by cooler air surging in beneath. Except that maybe the explanation found in every textbook is too simple.

What if, instead, the winds that drive atmospheric circulation are mainly created by the condensation of moisture? Much of this occurs over rainforests as water evaporates or is transpired from the trees. The physicists and foresters behind this controversial idea say that if we chop down the forests, we will lose the winds - and the rains they bring with them.

The physical process itself is not in dispute. Whenever water vapour condenses to form droplets, its volume is reduced, lowering the pressure. Air moves in, creating wind.

Climate scientists have always regarded this as a trivial effect. Criticism has been heaped on the theory since it was first aired four years ago. "This is not a mysterious effect. It is small and included in some atmospheric models," says Isaac Held of the US National Oceanic and Atmospheric Administration in Princeton, New Jersey.

But physicist Anastassia Makarieva of St Petersburg University in Russia says the pressure gradients it would create "have never received a theoretical investigation". Her calculations suggest that the condensation of billions of litres of water above giant forests produces a giant effect (Atmospheric Chemistry and Physics, doi.org/kbx).

Co-author Douglas Sheil at Southern Cross University in Lismore, Australia, says critics have yet to explain why they think Makarieva is wrong. Until they do, he said, "this looks like a powerful mechanism that governs weather patterns round the world".

Judith Curry of the Georgia Institute of Technology, an author of the standard textbook Thermodynamics of Atmospheres and Oceans, is encouraging. "The process they describe is physically correct," she said. "The main question is its relative magnitude compared with other processes." She thinks it could explain why climate models do not get monsoons and hurricanes right.

Nobody doubts that forests recycle rain through evaporation and transpiration. But this is the first suggestion that this recycling process also whips up the winds that suck moist ocean air across continents.

The implications are huge. "In standard theories, if we lose forests the rainfall in the continental interiors generally declines by 10 to 30 per cent. In our theory, it is likely to decline by 90 per cent or more," says Sheil.

But it is not all bad news. If lost forests are replanted, the theory suggests, then the winds they generate could return rain to even the most arid lands. After all, the Sahara was lush swampland 6000 years ago.

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.

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Four arrested for suspected thefts from the elderly

SINGAPORE: Police have arrested four men suspected of stealing from the elderly.

On January 10, police received reports of theft in some housing estates by men who approached the victims and offered to pray in their residences.

The suspects targeted elderly victims who were alone at home during the day.

The four suspects, aged between 21 and 55 years, were arrested along Syed Alwi Road on Thursday.

Four men will be charged in court on Friday.

- CNA/de

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5 subjects Hagel should expect at his hearing

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military and government career

Chuck Hagel's military, government career

Chuck Hagel's military and government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military and government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

Chuck Hagel's military, government career

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STORY HIGHLIGHTS

• Chuck Hagel testifies before the Senate Armed Services Committee Thursday


• The former senator split with the GOP over the war in Iraq


• Some feel Hagel is too cool to Israel, not hard enough on Iran


• He supported the "Don't Ask, Don't Tell" policy

(CNN) -- When the Senate Armed Services Committee is gaveled into session Thursday, Chuck Hagel is likely to face some sharp questions from many of his old colleagues.

If confirmed as secretary of defense, the one-time infantry sergeant and twice-wounded Vietnam veteran would be the first former enlisted man to lead the Pentagon. The former Republican senator from Nebraska gets his chance to answer questions Thursday morning during his confirmation hearing, and here are five subjects where he can expect them:

1. Afghanistan

If confirmed, Hagel will be tasked with closing out the longest war in U.S. history, one that has now lasted more than 11 years. He opposed President Barack Obama's decision to send another 30,000 troops into the conflict in 2009, telling the National Journal, "I think we're marking time as we slaughter more young people." The Obama administration now plans to pull combat troops out of Afghanistan by 2014, replacing them with a training mission to advise Afghan forces, steps Hagel will oversee if confirmed.

2. Gays and women in the military

As a senator, Hagel supported the "don't ask, don't tell" policy that kept gays and lesbians from serving openly in the U.S. military. He told The New York Times in 1999, "The U.S. armed forces aren't some social experiment." And the nominee's opponents have seized on his 1998 criticism of a Clinton administration State Department nominee as being "openly, aggressively gay," a remark for which Hagel apologized in December.

Now he's been asked to lead a department that has allowed gays and lesbians since 2011. And he'll be left to implement the plans outgoing Defense Secretary Leon Panetta announced last week to open front-line combat units to women, which allow the generals and admirals to ask for exemptions for certain posts. As defense secretary, Hagel would have to make the final call on those requests.

3. The Big One

Hagel is among the backers of the "Global Zero" movement, which has called for the complete elimination of nuclear weapons under a worldwide regime of inspections. He was a co-author of a 2011 study by the group that called for reducing the current U.S. arsenal of about 5,000 warheads and bombs to about 900, a force Global Zero says would be enough to deter potential attackers while reducing the risk of proliferation or nuclear terrorism.

That position has raised some eyebrows, since Hagel would be the steward of that American arsenal if confirmed. In a recent statement, Hagel's co-authors say their views and his "are in the U.S. national security interest and squarely in the mainstream," while keeping nuclear stockpiles at Cold War levels aren't. And he's not the only high-profile figure to ultimately endorse the idea of a world without the bomb: Obama held out the same hope in 2009, as have presidents dating back to Ronald Reagan.

4. Cutting the Pentagon

Within weeks of taking office, Hagel could be forced to implement steep cuts in the Pentagon budget as a result of "sequestration," the automatic spending cuts set up in the deal that ended the 2011 standoff over the federal debt ceiling. At the beginning of the year, Congress voted to put off those cuts for two months.

Panetta has called those across-the-board cuts of about 9.4% "potentially devastating" and urged Congress to find another way to reduce spending. But Hagel has called the defense budget "bloated" and said the Pentagon "needs to be pared down." Look for questions about how Hagel would wield that knife.

5. The Middle East: Iraq, Iran and Israel

This has been the biggest source of criticism for Hagel since Obama picked him to replace Leon Panetta in December and the rawest nerve for the Republicans with whom Hagel broke over the war in Iraq.

Hagel supported the U.S. invasion in 2003. But by 2007, he had come to believe it was a "blunder" and joined Democrats who tried to force the Bush administration to withdraw American troops. "He has long severed his ties with the Republican party," Sen. Lindsey Graham, R-South Carolina, told CNN's "State of the Union."

Republicans have accused him of being too cool to Israel, the leading U.S. ally in the Middle East, and too soft on Iran. Hagel has called for direct talks with the Islamic republic, which Western powers suspect is trying to develop a nuclear bomb, and he complained in 2007 that the "Jewish lobby" in Washington scared lawmakers away from supporting a two-state solution to the Israeli-Palestinian conflict.

But others have rallied around him, including his friend Rabbi Aryeh Azriel of Temple Israel in Omaha, Nebraska. Azriel said Hagel is "definitely a friend of Israel" and "has wonderful, fresh ideas to try to re-engage the discussion about the Middle East."

An Obama administration official working on the senator's confirmation hearing told CNN that Hagel will testify that he believes Iran is a state sponsor of terror; he supports the president's sanctions strategy against Iran and believes all options should be on the table including the military option.

CNN Pentagon Correspondent Chris Lawrence contributed to this report.

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