It had gone blank, as a result of a cyber attack on the Gawker server.
Authorities were tipped off to its existence while investigating a cyber attack in 2007.
Roughly 60% of small businesses close within six months of a cyber attack.
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"A cyber attack against a government agency or a defense contractor is an attack against our nation, " said Sen.
Do you have a procedure in place for action following a cyber attack?
Thankfully, there have been no recorded cases of a death or injury resulting from a cyber attack on the body.
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Destruction of an object in cyberspace can sometimes be a goal, but usually the goals in a cyber attack are different.
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Botnets can send spam and flood Web sites with countless requests for information, a cyber attack also known as distributed denial of service.
Spear phishing is a cyber attack that uses disguised emails that seek to convince recipients of a specific organization to provide confidential information.
Aggressors in a cyber attack are almost impossible to pin down.
Earlier this month, a committee of MPs warned that the UK was being complacent about the threat to national security from a cyber attack on the armed forces.
The European sites of Amazon.com temporarily went offline Sunday because of a hardware failure, according to The Associated Press, not a cyber attack by WikiLeaks supporters Anonymous.
According to one source and long-time supporter of Anonymous, new folks who jumped into OpFacebook were almost certainly among the flood of kids who visit 4chan, widely seen as the home of Anonymous, every summer, itching to join a cyber attack.
While the nature of this threat landscape is uncertain, the potential damage a cyber-attack could pose to our internet-dependent telecommunications, power and even water infrastructure, has seen cyber security rise sharply up government agendas around the world in the last five years.
The possibility of a cyber-attack on the world's ever more interlinked energy system is another concern.
So next time you hear about a looming cyber attack by Anonymous, stay calm.
This is not the first time Twitter has been hit with a cyber-attack.
It doesn't take much to imagine the consequences of a successful cyber attack.
Other top concerns were more picturesque if not random, such as a national cyber attack, pandemics and even natural disasters.
The White House has confirmed it was the target of a cyber-attack but says the breach hit an unclassified network.
Mr Clarke has long spoken of the vulnerability of the US to a cyber-attack, especially considering the country's reliance on computer networks.
The palace has since confirmed a big cyber attack did take place.
Initially, South Korea's Communications Commission suspected a cyber-attack.
Here are two credible threats to global systems: a massive cyber attack that could spread to the rest of world and interfere with SCADA systems everywhere and carbon whiskers that could short out power transmission systems.
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"Should such systems suffer a sustained cyber-attack, their ability to operate could be fatally compromised, " the report stated.
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The testimony also comes in the wake of a report from the Pew Internet and American Life Project that cited a prediction by technology experts that a catastrophic cyber-attack that causes significant losses in life and financial damage would occur by 2025.
Every organization has a choice: They can become a victim of cyber attack and pay the cost of recovery, they can rely on quick reactions to changes in the threat space to ensure that they survive the next attack, or they can predict the next escalation in attacks and invest early in the defenses required to avoid ever becoming a victim.
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The UK government has placed the potential cost of a single corporate cyber-attack in the hundreds of millions and it's not just traditional technology and internet-based companies that are at risk.
These anxiety-producing consumer annoyances occur over a backdrop of increased cyber-attack news.
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The President of the United States even has the authority to green-light preemptive strikes against a credible, impending cyber-attack, according to the NYT article.
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