Graham Cluley
Graham Cluley
Graham Cluleyis a British security blogger and the author of grahamcluley.com; a daily blog on the latest computer security news, opinion, and advice...
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People who receive this viral email won't necessarily believe that it was intended for them or their company, of course, but they may wish to advise the apparent sender that they have sent the message to the wrong person. If anyone opens the attached file, however, they risk infecting their computer and passing on the pox to others.
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This Trojan horse has been aggressively seeded, using spam technology, to distribute malicious code to as many vulnerable computers as possible, in the shortest amount of time.
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The question on everyone's lips is - when will we see the next one, and will it have a more malicious payload. Apple Mac users need to be just as careful about protecting their computers with anti-virus software, firewalls and security patches as their friends and colleagues using Windows.
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Trojans are different from viruses because they can lurk in PCs without anyone noticing and can spy on the computer user's activities then send this information back anywhere in the world.
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Two years ago, the US accounted for over half of all spam sent to the world - now it is less than a quarter, evidence which confirms that more Americans are waking up to the need to protect their home computers from malicious hackers. More and more viruses, worms and Trojan horses are being designed to take over innocent users' computers with the intention of stealing information and sending out junk email campaigns.
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Worms and viruses are increasingly being written to steal confidential data from innocent people's computers, to hijack resources, or launch spam or denial-of-service attacks,
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Firm action is required by the authorities to send a strong message to spammers that their activities are unacceptable. The U.S. computer crime forces should be congratulated for catching someone else who was contributing to the menace of spam email.
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What the chart reveals is that spammers and virus writers can exploit unprotected computers anywhere in the world to send out their unwanted messages.
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People who buy medicines marketed via spam messages are not only encouraging the spammers to send more of their nuisance emails, but are also potentially putting their lives at risk. Daniel Lin is unlikely to be sending any more spam, but there are plenty of other spammers out there prepared to make a quick buck with their unwanted marketing messages. All computer users should defend their email addresses with up-to-date anti-spam software, and remember to never buy goods marketed via spam.
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Email scammers are attempting to fleece the innocent out of money, and it is the naive who are most at risk of ending up penniless. This scam contains spelling mistakes and typos, but even if the scammer had done a better job at presenting himself professionally people need to learn that there is no such thing as a free lunch. If an unsolicited email makes extravagant promises then computer users should be extremely wary.
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This is the first real virus for the Mac OS X platform. Apple Mac users need to be just as careful running unknown or unsolicited code on their computers as their friends and colleagues running Windows.
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Some owners of Mac computers have held the belief that Mac OS X is incapable of harboring computer viruses, but Leap-A will leave them shell-shocked.
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Apple Macs have been in the news for the last few weeks regarding a number of security issues. It's important that all computer users are protected against the latest attacks, and have their computers properly patched against vulnerabilities in the operating system. It would be a mistake to think that security flaws are only found in Microsoft's products.
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They don't need to go to all that extra effort to write a virus for Macs. There are plenty of unprotected Windows computers out there.