In the last few days rogue software CryptoLocker and GameOver Zeus have received a lot of attention following an announcement by the US and European officials that they have temporarily managed to disrupt the system used by the malware. And according to the UK’s National Crime Agency, UK citizens will have a two-week window to reduce the threat by strengthening their computer’s protection. BullGuard already protects you against these two viruses: it detects them and successfully cleans the infected machines. However, you do need to ensure that you have the latest updates installed and that BullGuard is turned on. Do this, and you can be assured that you’re safe. Keep it safe However, if these conditions aren’t met and as a result CryptoLocker manages to encrypt your data, no one will be able to decrypt it and you won’t be able to access your files. As a general rule, it’s always a good idea to regularly backup your files. A short summary of CryptoLocker and GameOver Zeus If CryptoLocker finds its way onto your computer it silently contacts its control and command servers and then receives instructions to begin encrypting files with specified extensions, for example Word and PDF documents. It’s known as ransomware because the victim’s files are encrypted and in order to decrypt them a ransom has to be paid. GameOver Zeus on the other hand spies for personal information, such as banking credentials, and sends this data back to a botnet system. As well as losing personal data the infected computer also becomes part of the...
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Read MoreCanon PIXMA MG4250 – Only £65 Advanced All-In-One photo printer with Wi-Fi, Internet printing and Auto Duplex. Compact and advanced All-In-One with print, copy and scan functions. With Auto Duplex, colour screen and Wi-Fi, it offers smartphone and Internet printing plus Apple AirPrint support. Advanced Wi-Fi All-In-One Print, copy & scan functions PIXMA Cloud Link with Google Cloud Print Mobile printing & Apple AirPrint support Print more with optional XL inks Save paper with Auto Duplex Fast document & photo printing My Image Garden software Convenient and easy to replace Micro ink droplets for precise print High resolution photo printing User-friendly colour display Use and share wirelessly Tablet and smartphone ready Automatic double sided printing Internet ready printer Built-in card reader High resolution scanning Facebook photo...
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Read MoreHeart Bleed bug exploits popular encryption tool – most Internet servers affected – fix is available but needs to be applied swiftly – even cyber criminals are exposed. An enormous security flaw has been discovered that threatens the entire Internet. Dubbed Heart Bleed, its panicked internet services providers and sent many system administrators – the people who look after an organisation’s computer networks – into a bit of a frenzy. The vulnerability is in something called OpenSSL which is enormously popular open-source software that is broadly used to encrypt web communications. It’s widely thought to affect the majority of servers that drive internet traffic. The vulnerability allows attackers to read the memory of a vulnerable server essentially leaking the memory content of what the server sends and receives from users, hence its name Heart Bleed. However, only up to 64k of memory can be read but that said, the attack can be repeated indefinitely allowing attackers to keep going back for more information. A server’s memory includes user details, passwords, everything that is communicated to and from the server and also SSL private keys. If these keys are stolen hackers can eavesdrop on communications, steal data from the service and users and also impersonate services and users. It’s difficult to overstate the number of websites that could be vulnerable but think in terms of some social networking sites, all manner of company websites, e-commerce operations and even government run websites and you’ll get some sense of the scale. However, not all web sites or services are affected. For example, we know that Facebook, Twitter, Gmail, Linkedin and Microsoft are not vulnerable to the potential exploit. It’s not known whether the vulnerability has been exploited by hackers yet. But it could have been. And if so, hackers are certainly not going to put their hands up and admit to it. Researchers have already demonstrated how successful exploitation can take place by targeting the vulnerability. This site provides some information and it also offers a means for you to check whether you are vulnerable via a ‘heartbleed’ test. The good news is that another version of OpenSSL has been released which addresses the vulnerability. There is also a sense of urgency that the...
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