Dave Clemente of Chatham House discusses how the U.S. will defend itself against online terrorist attacks.
More than 400 million people trust Google with their e-mail, and 50 million store files in the cloud using the Dropbox service. People manage their bank accounts, pay bills, trade stocks and generally transfer or store huge volumes of personal data online. Who is ultimately in charge of making sure all this information is secure: the government, the companies or the users?
The Internet was designed to be robust, fault-tolerant and distributed, but its technology is still in its infancy.
Worried about a computer virus? CNN tech guru Mario Armstrong tells you all you need to know.
On Monday, Republican presidential candidate Mitt Romney called for the appointment of a special prosecutor to investigate a series of recent leaks that critics charge are designed to bolster the national security credentials of the Obama administration.
President Obama affirms the leak of classified information was not put out by the White House.
New measures are being put forward by the Director of National Intelligence to stop leaked classified information.
The recently discovered Flame virus bears all the hallmarks of a cyberattack concocted by a nation-state. It's big and complex and pointed directly at a geopolitical hot zone, Iran.
CNN's Phil Black meets one of the experts who discovered Flame malware, considered the world's biggest cyber weapon.
The discovery of a malicious computer program that appears to be collecting sensitive information from Iran and others indicates the global cyberwar has moved to a new level, warn security experts.
An al Qaeda video calling for "electronic jihad" illustrates the urgent need for cybersecurity standards for the most critical networks in the United States, a group of senators said.
FBI Director Robert Mueller said Thursday he is concerned about the potential for terrorists mounting cyber attacks and that the bureau is working "to stay ahead of these threats, both at home and abroad."
Cybercriminals are becoming a threat that rivals terrorist groups like al Qaeda, according to the nation's top law enforcement official.
On June 2, hacktivist collective "LulzSec" burst onto the cybersecurity scene with a splashy exploit: It published a trove of data stolen from 1 million user accounts on Sony's website.
This past year's wave of high-profile, extremely sophisticated cyberattacks are a watershed moment for the security field, according to RSA chief Arthur Coviello.
This is part one of a week-long series on the ecosystem of cybercrime.
Declan McCullagh of CNET discusses how an online piracy bill could affect the internet.
The Obama administration said over the weekend that it would not support legislation mandating changes to Internet infrastructure to fight online copyright and trademark infringement.
DARPA, the agency that really did invent the Internet, is now looking at ways the Web might be used to fight the next war.
For the first time, the United States is publicly accusing China and Russia of being the top offenders in the theft of U.S. economic and technology information, according to an intelligence report released Thursday.
A massive cyberattack that led to a vulnerability in RSA's SecurID tags earlier this year also victimized Google, Facebook, Microsoft and many other big-named companies, according to a new analysis released this week.
Divided into two teams, cyber attackers and cyber defenders get a lesson in an "attack" on critical infrastructure.
Nanhao Group is, in many ways, an ordinary technology company. Its staff make online scoring systems, exam-mark scanners and other educational hardware and software.
Can protesters crash the New York Stock Exchange's website? Anonymous, a collection of online "hactivists," wants to find out: It issued a call this weekend for a coordinated attack on NYSE.com.
Facebook is ramping up the fight against those annoying and potentially harmful scam attacks.
Every day the news hits of another company, website or long list of credit cards that's been hacked. But what if there was a foolproof technology to fend off cyberattackers by keeping secret information secret?
Michael Calce once briefly shut down this site.
One of the big jokes at this year's Black Hat cybersecurity conference in Las Vegas is that there is no such thing as cybersecurity. No system can be 100% secure. There is no uncrackable code.
South Korean police arrested five men Thursday for allegedly collaborating with North Korean computer experts to hack into online game systems to generate millions of dollars in illicit gains.
With a few thousand bucks, a tool box and some technical skill, you could bring about the cyber apocalypse.
Repeated and constant cyber attacks against the United States have turned the country's assessment of national security threats on its head.
U.S. government agencies, the United Nations, defense contractors and Olympic bodies have all been targeted by a single intruder in an "unprecedented" campaign of cyberspying, says a new report by a computer-security firm.
This is part three of a week-long series on the ecosystem of cybercrime.
For one day, at least, you can call off the cyberwar.
From scanning news headlines over the last couple of months, you might think the walls around Internet strongholds are made of rotting wood.
Hacking groups Lulz Security and Anonymous have teamed up to target governments around the globe in what they're calling "Operation Anti-Security."
On Wednesday, Google announced that hundreds of users of its Gmail service -- including high-ranking U.S. and South Korean officials, journalists and Chinese political activists -- had been targeted by hackers who sought to steal their passwords and monitor their e-mails. Google concluded the attack came from a provincial capital in eastern China, which is also the location of a technical reconnaissance center for the Chinese military.
CNN's Brian Todd reports hackers tapped into the personal Gmail accounts of government employees and military personnel.
CNN's John Vause speaks with Andrew Lih about cyber attacks on Google Gmail accounts.
The Pentagon has a new strategy for handling cyber attacks: treat them as acts of war. But is this the best approach?
The Pentagon is formulating a new strategy on how to respond to cyberattacks that would include using military force, a spokesman confirmed late Tuesday.
CNN's Brian Todd looks into the second cyber attack against an Iranian nuclear facility and who may be responsible.
Sony's PlayStation network continued to be down on Friday morning.
The European Union is under cyber attack, a spokesman said Thursday, as a major international summit begins.
The French finance ministry came under a large-scale cyber attack in December that targeted G20 documents, France's Budget Minister Francois Baroin told French radio on Monday.
A cyber attack Friday morning hit 40 South Korean websites, including those of several government agencies and major banks, the country's internet security agency said.
One of the Web's largest blog hosting sites, Wordpress, struggled to keep functioning Thursday through a massive distributed denial of service (DDoS) attack.
From CBC News. Canada's federal government is under an unprecedented cyber attack against their computers.
The recent internet clampdown by then-Egyptian President Hosni Mubarak should raise fresh concerns in the United States about extending similar emergency powers to the U.S. president, even in the event of a cyberattack, an internet watchdog warned Congress Friday.
A rapidly evolving terrorist threat will continue to dominate U.S. security concerns over the course of the next year, top intelligence officials told members of Congress on Thursday.
FBI agents have executed 40 search warrants throughout the United States as part of an investigation into recent coordinated cyber attacks targeting major companies, the agency said.
The military's top officer warned Wednesday of the "substantial" and complex threat to the United States of cyber attack, and the potential for devastating impact.
Media outlets and a Twitter feed this week lobbed a controversial term into the public debate about cyber attacks over WikiLeaks:
CNN's Brian Todd investigates claims that Visa and MasterCard are under cyber attack from supporters of Julian Assange.
Both Facebook and Twitter have closed accounts corresponding to Anonymous, a formerly 4chan-linked group organizing a string of DDoS attacks on organizations that refuse to work with WikiLeaks.
I'm sitting in a coffee shop. At a table against the opposite wall is a guy named Michael C. I've never seen him before. However, I know his name (including his last name, which I'm deliberately not saying here) because right now we're using the same Wi-Fi network and he's logged in to his Facebook and Google accounts.
More than a year after President Barack Obama called for improved national cybersecurity, only two of his recommendations have been fully implemented, while the remaining 22 have been only partially implemented, a federal audit has found.
NATO faces serious new cybersecurity threats, according to the U.S. Secretary of Defense Robert Gates, and the alliance should invest in new programs to "remedy these weaknesses."
It's only a drill and no computers will be harmed in testing now underway to check whether governments, private industry, and other computer infrastructure could handle a major cyberspace attack.
Recently, we completed an intensive, bipartisan six-month study on cybersecurity and presented it to the Senate Select Committee on Intelligence.
The public and private sector are not doing enough to share information that could help prevent a catastrophic cyberattack on the nation's critical infrastructure, according to a report by the General Accountability Office released on Monday.
There's a power struggle going on in the U.S. government right now.
On the face of it, the disastrous oil spill in the Gulf of Mexico and the growing threat of a disabling cyber attack would seem to have little in common. But experts have warned Congress that the inability of government and industry to prevent or respond to a cyber threat could be equally disastrous.
A new Congressional cyber security proposal would give the president emergency powers to protect critical private networks under attack, but the bill's sponsors insisted it does not allow the government to take control of any private cyber-network.
Dear Annie: I'm a college freshman trying to decide on a major, and I'm kind of confused. I really love computers and the computer science courses I've taken so far. I'd like to major in the field, but people tell me I won't be able to find a job in it.
Internet fraud cases surged by 22% in 2009, and financial losses doubled compared to the year before as scammers took advantage of Americans rendered desperate by the recession.
This week's arrests of three men in connection with one of the world's largest computer-virus networks may seem like great news -- perhaps even a sign authorities are starting to win the war against cyberthieves.
These days, when everyone seems to have a Facebook friend, is LinkedIn or can Google themselves, it's hard to remember the old days, before the dot-com revolution.
Military officials from NATO and its 28 member states descended on Washington last week for a series of discussions about rethinking how the alliance should transform itself in an era when its scope has expanded beyond traditional Cold War boundaries.
A Washington think tank staged a mock cyberattack on the United States on Tuesday in a bid to evaluate strategies for fighting cyberterrorists. Former senior government officials gathered at the Bipartisan Policy Center to play the roles of Cabinet members responding to a simulated attack on the nation's computer infrastructure.
CNN's Emily Chang reports on building tension between the U.S. and China.
China's information technology ministry called accusations of government involvement in cyber attacks alleged by Google "groundless" in an interview with state-run media on Sunday.
China fired back Friday, saying the United States is damaging ties between the countries by highlighting cyberattacks alleged by Google.
China responds to Google's threat to pull out of the country in a dispute over censorship. CNN's John Vause reports.
Google said Tuesday that it may leave China and shut down its strictly monitored site there, Google.cn, citing censorship rules and a targeted cyber attack on its network infrastructure.
It was a good year for cyber crime - that's bad news for e-commerce. CNN.com's Kevin Voigt explains.
The past 12 months have been a banner year for cyber crime. And that could be bad news for the future of e-commerce.
Major countries and nation-states are engaged in a "Cyber Cold War," amassing cyberweapons, conducting espionage, and testing networks in preparation for using the Internet to conduct war, according to a new report to be released on Tuesday by McAfee.
If you're on Facebook, Twitter or any other social networking site, you could be the next victim.
If you're on Facebook, Twitter or any other social networking site, you could be the next victim.
The Department of Homeland Security will hire up to 1,000 cybersecurity experts over the next three years to help protect U.S. computer networks, an Obama administration official said.
An independent research group predicts that cyberwarfare will accompany future military conflicts and is recommending international action to blunt its impact.
CNN's Becky Anderson sits down with NATO Secretary General Jaap De Hoop Scheffer to talk about the mission in Afghanistan.
The outgoing head of NATO says the organization is as alive and kicking as it has ever been, but will have to adapt to new challenges such as cyber-terrorism and the implications of climate change.
North Korea is thought to be behind recent cyber attacks in South Korea. CNN's Sohn Jie-Ae reports.
U.S. government Web sites -- including those of the White House and the State Department -- have been under attack since the Fourth of July, along with financial and commercial sites like Yahoo Finance and the New York Stock Exchange, cybersecurity experts said Wednesday.
Cyber criminals are setting snares that move at the speed of news.
Pres. Obama: "It is now clear... this cyber threat" is among the nation's most serious issues.
President Obama announced Friday he is creating the post of cyber security coordinator to oversee "a new comprehensive approach to securing America's digital infrastructure."
President Obama is expected to announce Friday the creation of the position of cyber czar, a person who will coordinate the nation's efforts to protect government and private computer systems from hackers, criminal gangs, terrorists and spies, people familiar with the plan said Thursday.
Computer hackers have embedded software in the United States' electricity grid and other infrastructure that could potentially disrupt service or damage equipment, two former federal officials told CNN.
CNN's Jeanne Meserve reports foreign hackers have embedded software in the U.S. electric grid.
The U.S. military has spent at least $100 million defending its computer network from and responding to cyberattacks, according to a top official responsible for network security.
Internet-based rip-offs jumped 33 percent last year over the previous year, according to a report from a complaint center set up to monitor such crimes.
Is it really so smart to forge ahead with the high technology, digitally based electricity distribution and transmission system known as the "Smart Grid"? Tests have shown that a hacker can break into the system, and cybersecurity experts said a massive blackout could result.
U.S. Homeland Security Secretary Janet Napolitano announced Wednesday she is putting a Microsoft executive in charge of protecting the U.S. government's computing systems.
The incoming president should create a new White House office and appoint a presidential assistant to oversee a "comprehensive national security strategy for cyberspace," a Washington-based think tank recommended Monday.