Ransom-based malware attacks specific companies
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Blog: Low ransom request and a self-termination date on the code suggest this is a test attack.
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Hacking tools that let you unlawfully activate trial software can include malware used by hackers to steal financial data.
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Unpatched Windows machines are vulnerable to latest adware attack
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Millions of computer users are at risk of attack because flaws in the way Windows handles some images.
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Security firms are warning about smartphone viruses that can spread much faster than similar bugs.
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Vulnerabilities could allow attackers to gain remote control of a system, security company says.
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SEPTEMBER 24, 2004  - A distributed denial-of-service attack that disrupted Web-based systems at credit card payment processing firm Authorize.
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Servers that managed global internet traffic have been subjected to a concerted attack by hackers.
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Denial-of-service attacks, which take down a Web resource, are used by digital blackmailers. Part of a series on hot security topics.
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Unpatched vulnerabilities may leave computers open to remote attacks.
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Web servers may be vulnerable to attack, security company warns.
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A directory reversal within "flat" extensions could lead to system profile attacks.
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A US credit card processing firm has been hit by intermittend and large-scale distributed denial-of-service attacks that have disrupted services.
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SAN FRANCISCO -    For ransom: your sensitive computer files. In the latest online scam, cybercrooks are breaking into the PCs of small businesses and individuals, locking up data and demanding money in return for freeing it.
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Malware, carelessness, data leaks--whether internal or external threats, there's too many to count.
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Credit-card transaction processing firm Authorize.Net has been hit by a series of distributed denial-of-service attacks that have caused temporary disruptions in service to some of its customers.
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Security researchers have released attack code that will crash Windows PCs that are susceptible to a recently patched bug in the operating system.