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How To Setup A Firewall For Your Linux Box In 15 Minutes
Thursday, September 02, 2010 @ 15:42:11 CEST by tw45admin (150 reads) |  Setting up a firewall for IPtables can be rather difficult, especially if its your first time. A firewall is something you need to have, whether you are just trying to keep hackers out, or trying to meet a requirement such as PCI compliance, or HIIPA compliance. Luckily the folks at rfxnetworks, created a CLI based configuration for IPtables. First, download the firewall software at this URL...
Discover the rest at Secure Hosting Directory.
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Weekend Project: Secure Your System with Port Knocking
Monday, August 23, 2010 @ 15:59:13 CEST by tw45admin (104 reads) | Port knocking is an authentication system that allows a server to keep ports closed by default, and open them up only when clients send a pre-determined sequence of connection requests aimed at particular TCP or UDP ports. as a result, you can, for example, keep SSH both invisible and inaccessible to passersby, but still allow clients armed with the secret knock to connect. setting up port knocking on your Linux system is easy, but make sure you set aside time to familiarize yourself with the security and practical risks.
Project details at Linux.com.
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IT Admins Say Web 2.0 Undermines Enterprise Security
Tuesday, August 03, 2010 @ 19:32:22 CEST by tw45admin (80 reads) | More than 80% of security administrators think that Web 2.0 applications -- social networking tools, widgets, instant messaging programs, and their ilk -- are undermining enterprise security. Furthermore, one in five think that employees rarely or never consider the consequences to corporate security of engaging in such activities as downloading applications from the Internet, streaming video, or using peer-to-peer file-sharing sites. Those results come from a new survey of more than 2,100 IT security administrators in the United States, United Kingdom, France, Japan, and Australia. The survey was conducted by the Ponemon Institute and sponsored by Check Point Software Technologies.
The full article is at InformationWeek.com.
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Hackers break into Android phone at Black Hat
Sunday, August 01, 2010 @ 23:07:31 CEST by tw45admin (156 reads) | Once thought to be unhackable, the Android phone is anything but, according to researchers presenting at Black Hat 2010. Not only has malicious software cloaked in a wallpaper application stolen personal information from infected phones and sent it to a website in China, but researchers from Lookout Mobile Security have found a way to take the phones over completely – including top-of-the-line models hawked by major wireless carriers. In one presentation, Lookout's CEO John Herring said the Jackeey Wallpaper app, which has been downloaded millions of times, can gather passwords, browser history, the subscriber ID and SIM card numbers and text messages.
Full story at Techworld.com.
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AVG Technologies identified a botnet composed of more than 1.2 million computers
Friday, July 23, 2010 @ 20:19:58 CEST by tw45admin (203 reads) | The research laboratory of AVG Technologies identified a botnet composed of more than 1.2 million computers. Controlled by criminals, the machines were infected in an attack of Eleonore Explore Toolkit – software that enables contamination control and desktops and notebooks. During the past two months, the team’s Virus Lab AVG observed an increase in the use of this set of specific tools, known as Eleonore Explore Toolkit. The laboratory monitored 165 sites known to have been overrun by criminals. When visiting one of these pages, the user was redirected to an address contaminated, infecting the machine. The team at AVG found vulnerabilities in malicious code being able to collect statistical data that led to a better understanding of the magnitude of the attacks and the average success rate of infection.
More on this at Trends Updates.
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New spy rootkit targets industrial secrets
Monday, July 19, 2010 @ 15:43:12 CEST by tw45admin (105 reads) | Siemens is warning customers of a new and highly sophisticated virus that targets the computers used to manage large-scale industrial control systems used by manufacturing and utility companies. Siemens learned about the issue on 14 July, Siemens Industry spokesman Michael Krampe said in an email message Friday. "The company immediately assembled a team of experts to evaluate the situation. Siemens is taking all precautions to alert its customers to the potential risks of this virus," he said. Security experts believe the virus appears to be the kind of threat they have worried about for years - malicious software designed to infiltrate the systems used to run factories and parts of the critical infrastructure.
The virus targets Siemens management software called Simatic WinCC, which runs on the Windows operating system so Linux users, breathe a sigh of relief. For more on this, go to Techworld.com.
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Twitter, Digg login vulnerable to hackers, say researchers
Friday, July 16, 2010 @ 13:54:48 CEST by tw45admin (166 reads) | A well-known cryptographic attack could be used by hackers to log into web applications used by millions of users, according to two security experts who plan to discuss the issue at an upcoming security conference. Researchers Nate Lawson and Taylor Nelson say they've discovered a basic security flaw that affects dozens of open-source software libraries - including those used by software that implements the OAuth and OpenID standards - that are used to check passwords and user names when people log into websites. OAuth and OpenID authentication are accepted by popular Web sites such as Twitter and Digg.
More on this at Techworld.com.
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Security expert releases Ubuntu Linux distro for malware analysis
Wednesday, July 14, 2010 @ 17:18:08 CEST by tw45admin (167 reads) | A security consultant has released a Ubuntu-based Linux distribution specifically designed to help analyze and re-engineer malware. Lenny Zeltser on Thursday released REMnux on Sourceforge and it has already been downloaded nearly 2,000 times. REMnux is not a brand-new distro built from scratch but really a stripped down version of Ubuntu distributed loaded on a VMware virtual machine and stuffed with hand-picked analysis tools.
Network World has the full article.
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Hacker claims to have cracked Skype protocol
Sunday, July 11, 2010 @ 18:01:57 CEST by tw45admin (215 reads) | A hacker claims to have cracked the Skype’sproprietary encryption protocols that protect the VoIP company’s intellectual property. The Luxembourg IP telephony company has zealously guarded its protocol but a hacker going by the name of ‘Sean O’Neil’ claims that he’s broken through the protection. On his blog, he praised Skype’s protection and explained the difficulty involved in breaking it. “For over 10 years, Skype enjoyed selling the world security by obscurity. We must admit, really good obscurity. I mean, really really good obscurity. So good that almost no one has been able to reverse engineer it out of the numerous Skype binaries. Those who could, didn’t dare to publish their code, as it most certainly looked scarier than Frankenstein.”
Full story at Techworld.com.
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USB stick encryption using Linux
Sunday, June 27, 2010 @ 15:42:48 CEST by tw45admin (134 reads) | In case you will loose your USB stick, all data stored on it will be lost and what is more important they will be most likely in hands of some other person which will then have an access to your private information and use this information in any way s/he sees fit. This is one of many fears of USB stick users. One solution which can be easily applied is to not to store any private information on USB stick, however this will diminish a prime usage of your USB stick to a bare minimum as all non-private data usually do not have to be stored on USB since they can be almost always downloaded anytime and anywhere from the Internet. Another solution is to...
Continue reading at LinuxConfig.org.
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