Network Security Blog

Pentagon’s CyberWar Strategy

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The recent spate of cyber attacks targeting sensitive US networks, such as the attack on Massachusetts Institute of technology, International Monetary Fund, Citigroup, RSA-Lockheed Martin, and the theft of 24,000 sensitive files, are just tip of the potential iceberg, if the executive director of the U.S. National Cyber Security Alliance is to be believed. He predicts that that the next major attack against America may well be an cyber-attack using ...

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MU’s United States Cyber Challenge Regional Cyber Security Boot Camp

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As an initiative to train the upcoming generation on computer security, University of Missouri (MU) organized a weeklong United States Cyber Challenge Regional Cyber Security Boot Camp. The participants, hailing from all over the country learned skills for breaking into computer networks, to defend them from such attacks.

Defending a network without understanding how to attack it in the first place is like a police officer trying to protect and serve ...

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Vulnerabilities Galore in W3C HTML5 Standards!

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The European Network Information Security Agency (Enisa) has recently discovered 51 vulnerabilities in 13 upcoming World Wide Web Consortium (W3C) standards and specifications.
The major vulnerabilities relate to the HTML 5 standard used by Microsoft, Adobe and others in their latest web browsers. HTML 5 is the fifth revision of the HTML language, adding many new syntactical features and attributes. Exploiting the flaws contained in the new revision, an attacker could:
• ...

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Basic Steps to Protect Your Sensitive Data

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While state of the art security apparatus that monitors and neutralize network security threats may be out of bounds for small and medium enterprises and individual users, following these basic precautions can reduce the risk of data breach significantly:
Most operating systems and web browsers come incorporate the basic security features. Web browsers, for instance warn when the user is about to enter an untrustworthy ...

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Infographic: Malware Networks

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Infographic: Malware Networks

Symantec released a report that malware is leading to a rise in attacks. Spam in email traffic rose to 77.8 percent, an increase of 4.9 percentage from last month – a key transport mechanism for malware. Symantec found that almost 7,000 sites have malware and other malicious programs. Month over month, that’s an increase of 25 percent!

Blue Coat Systems released a web security report on the current state of malware ecosystems – detailing the growing size and ...

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The Application of Game Theory for Network Security

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“Game Theory” is a branch of mathematics that involves formulating and analyzing strategies for competitive situations, where outcome of a choice of action depends on the actions of competitors or others.

Game theory has found application in the contexts of war, business, and biology, and now find increasing use in computer security, as a means to remain one-up on hackers and other cyber criminals.

The application of game theory allows setting up ...

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Hacking is Free for all!

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With the internet dismantling barriers to knowledge, all information regarding how to hack a computer is available online, and just about anyone with an average level of intelligence and with sufficient time at disposal can hack into supposedly secure networks.
Such remarks assume significance as the Australian Federal Police charged a self-taught hacker with accessing and changing restricted data through unauthorized access of National Broadcast ...

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A Review of F5 Networks and Based Network Security Offering

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The changing nature and increasing frequency of cyber attacks has changed the dimensions of network security. Many organizations remain under a fallacy network firewalls, antivirus software, and IPS systems offer enough protection, when the fact remains that such silo security solutions does little to ward off the now common multi-layered attacks. Defending against the new multilayer attacks require an integrated approach that combines network security with application security and access control.

F5 ...

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The Importance of Securing Endpoints

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An endpoint is any single device, peripheral, drive, or anything else that can attach to the network. Common endpoint devices are USB’s, CD/DVD, external hard disks, smart phones, and more. Hitherto computer networks remained closed and isolated entities, and the first generation network security based itself on this assumption. The advent of internet, and mobile endpoint devices however has changed network security. The fact that network security still ...

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A Review of Encryption Standards

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The increased use of internet for commercial transactions and the associated increase in security risks has made data encryption commonplace. Encryption involves using an algorithm-based cipher to make plain text data unreadable except for those with the key to the cipher, and is crucial in protecting data in transit from preying eyes.

The two broad types of encryption are symmetric and asymmetric. Symmetric algorithms have a single ...

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