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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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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By taking control of unprotected PCs, hackers can relay spam, launch denial-of-service attacks, or steal user information, without computer owners being any the wiser.
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If you were planning a romantic date with someone from your IT department on Tuesday night, think again. Companies have been hanging on, waiting for the official fix from Microsoft for this serious security problem. Businesses will be eager to roll out these security patches as soon as possible to ensure their networks are properly defended. Any vulnerable computer user should update their systems at the earliest opportunity following the release of the patches on Tuesday.
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The hurricane is a dreadful natural disaster, and it's sickening to think that hackers are prepared to exploit the horrendous situation in an attempt to break into computers for the purposes of spamming, extortion and theft.
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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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The German police should be applauded for arresting these men before the alleged criminal plot was put into action. The potential rewards for internet crime are high, and we are seeing organized international gangs becoming more sophisticated in the ways in which they attempt to steal information from online banking users. Computer crime authorities around the world need to work closely with each other to break apart these criminal gangs and bring them to justice.
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It's sickening to think that a woman claiming to help other mums generate an income while looking after their children was also involved in spam campaigns that promoted adult pornographic websites. The US computer crime authorities are cracking down harder than ever on those responsible for sending spam, and they should be congratulated for bringing another culprit to justice. Firm action is required worldwide to send a strong message to spammers that their activities are simply unacceptable.
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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.
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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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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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All computer users should treat any unsolicited email attachments with extreme caution, or they run the risk of being ripped off. Anyone unfortunate enough to run malicious software could potentially be allowing hackers to gain access to their computer to spy, steal and cause havoc. Users need to savvy-up to reduce the risk of being taken in by greedy, money-grabbing internet criminals.
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It's bad enough when an individual has data stolen from them by a virus, but a police force being the victim is a real cause for concern. This incident acts as a timely reminder that all organizations need to take computer security seriously. If you allow your employees to put sensitive company data onto their own home computers, you are running the risk that they will not be as well defended as the PCs within your business.
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It's important to consider the amount of hacker activity associated with a particular flaw. And let's not forget that the vast majority of computer viruses are written for Windows computers.
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There's a responsibility on the part of regular computer users to make sure that they are not part of a DoS attack.