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SELinux: Comprehensive security at the price of usability
Operating system security revolves around controlling access. Linux distributions subscribe to the Discretionary Access Control (DAC) mechanism that lets resource owners decide who gets to access the resource and how. People soon realized that DAC is not an ideal solution, as it gives applications the same privileges of the user running them. One compromised application running as root effectively compromises the full system. This led security experts to develop Mandatory Access Control (MAC), which grants access to resources as defined by a security policy, regardless of the user running the application. The SELinux project is the first mainstream implementation of MAC.
At Linux.com
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Spotlight
The CSO perspective on healthcare security and compliance
Posted on 20 May 2013. | Randall Gamby is the CSO of the Medicaid Information Service Center of New York. In this interview he discusses healthcare security and compliance challenges and offers a variety of tips.
Cyber espionage campaign uses professionally-made malware
Posted on 20 May 2013. | A massive cyber espionage campaign has been hitting government ministries, IT companies, academic research institutions, and more.
Ransomware adds password stealing to its arsenal
Posted on 17 May 2013. | Microsoft researchers are warning about a new variant of the well-known Reveton ransomware doing rounds.
IT security jobs: What's in demand and how to meet it
Posted on 15 May 2013. | Let's say you want a career in information security, where do you start? What credentials do you need? What are employers looking for? Read on to find some answers.
Hacking charge stations for electric cars
Posted on 15 May 2013. | Ofer Shezaf talks about what charge stations really are, why they have to be ‘smart’ and the potential risks created to the grid, to the car and most importantly to its owner’s privacy and safety.
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