There is a significant security flaw in Java and it is being exploited fast and furiously by cyber criminals. Sophos’ Naked Security blog has a fantastic post on the vulnerability and especially its effect on Oracle users. Their solution: Disable Java immediately. Check out the post here.
And why is Java so problematic you ask? Graham Cluley states the following:
“In fact, it has become increasinglycommon to see malware authors exploiting vulnerabilities in Java – as it is so commonly installed, and has been frequently found to be lacking when it comes to security.
Cybercriminals also love Java because it is multi-platform – capable of running on computers regardless of whether they are running Windows, Mac OS X or Linux. As a result it’s not unusual for us to see malicious hackers use Java as an integral part of their attack before serving up an OS-specific payload.”
For easy reference, here’s how to disable Java on the most popular web browsers.
Are you worried about losing your internet connection on Monday, July 9th? Hundreds of thousands of computers are potentially facing an “internet blackout” because of the DNS Changer virus. Watch this great video by Sophos to find out exactly what is going on and how to avoid any internet connectivity issues.
This is a repost of a blog entry initially reported by Sophos’ Graham Cluley at the award-winning Naked Security blog. Sophos is a Platinum Partner of RJS Smart Security.
The folks at AlienVault discovered an interesting new Mac malware attack this week.
A backdoor Trojan horse, which would allow a remote hacker to access your Mac computer without your knowledge and potentially snoop on your files and activity, has been discovered hidden inside a boobytrapped Word document.
The targeted attack relies upon a critical security vulnerability discovered in Microsoft Word back in 2009, which allowed remote code execution (MS09-027).
In a nutshell, if you open the boobytrapped Word document, a Trojan horse gets dropped onto your Mac opening a backdoor for remote hackers. Furthermore, a decoy document called file.doc is also dumped onto your drive.
The nature of the decoy document, which claims to be about Human Rights abuses in Tibet by the Chinese, is sure to raise some eyebrows.
Inevitably there will be speculation that this attack is related to ‘Ghostnet’, the alleged campaign by China to spy via the internet on pro-Tibet organisations, including the Tibetan government-in-exile and the private office of the Dalai Lama.
If that’s the case, then it would seem that ‘Ghostnet’ is now targeting Mac users inside organisations sympathetic to Tibet and banned Chinese groups.
And don’t be fooled into thinking that you are protected by Mac OS X itself, which will ask for an administrator’s username and password to install software. You won’t see any prompt for credentials when this malware installs, as it is a userland Trojan.
Neither the /tmp/ nor /$HOME/Library/LaunchAgents folders on Mac OS X require root privileges – meaning that software applications can run in userland with no difficulties, and even open up network sockets to transfer data.
Sophos anti-virus products detect the malformed Word documents asTroj/DocOSXDr-A and the Mac backdoor Trojan horse as OSX/Bckdr-RLG. The servers that the malware attempts to communicate with have been categorised by Sophos as malware repositories since at least 2009.
Once again, Mac users need to remember to not be complacent about the security of their computers. Although there is much less malware for Mac than there is for Windows, that is going to be no compensation if you happen to be targeted by an attack like this.
If you’re not already doing so, run anti-virus software on your Macs. If you’re a home user, there really is no excuse at all as we offer a free anti-virus for Mac consumers.
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