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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Every month Microsoft releases security patches for its software - and it's often a race against time for companies to roll these patches out across their business before a hacker takes advantage of the vulnerability. A security hole which allows hackers with malicious intentions to run code on Windows or Apple Mac computers is very serious, and all affected users should ensure they have defended their systems.
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Hackers are in a race against time to infect as many computers as possible through the WMF security hole before companies have a chance to put the patch in place. Everyone should apply the patch as soon as possible, and defend their networks with up-to-date anti-virus and anti-spam software.
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Fortunately, you don't need special antivirus or security software for MP3s. If your antivirus is current, there won't be any damage, because the scanner will catch it.
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To the untrained eye Mytob and Zotob can appear quite different: one group of viruses travels via email, the other primarily by exploiting a Microsoft security hole.
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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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It was never meant to be the final answer to all security problems.
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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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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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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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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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These emails do not really come from Amazon, and clicking on the attached file will install a malicious Trojan horse on your computer. Once it has slipped under your radar, this Trojan is capable of downloading further malicious code from the internet, giving hackers access to your PC. A real message from Amazon would never contain an attached executable file, and people should always think carefully before running unsolicited code on their computer.
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ISPs have gotten better at blocking spam, they've gotten together to form anti-spam associations and task forces, and they've done a better job of educating their users about spam,
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It wouldn't surprise me if this didn't get the interest of the hacker community.
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The worry is that the problems with the patch may have prevented it from being successfully rolled out onto some vulnerable computers.