Network Access Control and IoT Security

Network Access Control,  is an approach to computer security that attempts to unify endpoint security technology (such as antivirus, host intrusion prevention, and vulnerability assessment), user or system authentication and network security enforcement. When a computer connects to a computer network, it is not permitted to access anything unless it complies with a business defined policy: anti-virus protection level, system update level configuration. While the computer is being checked by a pre-installed software agent, it can only access resources that can remediate (resolve or update) any issues and nothing else. Once the policy is met (it has an antivirus, it is up to date, etc.), the computer is able to access network resources and the Internet, within the policies defined within the NAC system.   CISCO NAC and Microsoft NAP Network Access Protection or NAP is a Microsoft technology for controlling network access of a computer host based on system health of the host, first introduced in Windows Server 2008. NAP includes client and server components that allow you to create and enforce health requirement policies that define the required software and system configurations for computers that connect to your network. It also enforces health requirements by inspecting and assessing…

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OpenDNS acquired by Cisco

I wrote an article which recommends OpenDNS to FritzBox users to use OpenDNS to filter malicious domains and perform parental control on the traffic that gets into their home routers.  &  And now, not a week later I see: Cisco made a big acquisition offer to OpenDNS and they accepted it. Wow, what a news! Read here the official posts from OpenDNS and from Cisco– Here are some FAQ related to the acquisition:   The idea is that OpenDNS will remain free for personal users. Of course, I expect in time that things will evolve, but I think that the free users bring a lot of valuable traffic which can be analyzed and filtered. Basically, these users are like a huge honeypot. If there is malware out there, and there is plenty of it, these users will visit the domains where it is hosted. And this way the OpenDNS service will become better and more valuable.

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