Segmentation in SD-WAN

Segmentation in SD-WAN

The SD-WAN market is gaining more and more strength; software-defined and managed connectivity solutions provide ever more possibilities and functionalities to adapt to the reality of business networks. One of the key aspects that all companies value is security. In SD-WAN networks, security can be provided in a number of ways, from encrypting communications to firewall policies, through IDS and...

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Web Filtering – Creating a more healthy and productive Internet experience

Web Filtering – Creating a more healthy and productive Internet experience

Business, Schools, Government, and almost every other form of organization, cannot work without access to the Internet.  But while the Internet has accelerated productivity it has brought with it many dangers and distractions. These Internet threats and danger can be managed efficiently by using Domain Name Systems (DNS) technologies.   DNS technology is the phone book of the Internet. To...

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Security holes in modern processor hardware

Security holes in modern processor hardware

A few months ago (January 2018), the media reported breaking news of alleged security failures for Intel and ARM processors. In order to understand these “weaknesses”, and before briefly describing the nature of these “security holes”, we need to list some of the common characteristics shared by modern processors. One of the features of present-day computers that provides security is the...

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A Spectre is haunting not only Europe

A Spectre is haunting not only Europe

The Meltdown and Spectre vulnerabilities were discovered last year, but only disclosed recently to the public. Both vulnerabilities are of the same family. They fundamentally affect certain CPU designs with around 20-years’ worth of processors and certain upcoming designs cannot be classified totally secure. To eliminate these vulnerabilities entirely will require a rethink of how a modern...

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WannaCry?

WannaCry?

The first and so far the only time I was personally involved, (or to be more precise my son who at that time was eleven years old), in a cyber-attack by ransomware was in 2012. The computer of my son was apparently blocked by the Federal Criminal Police Office due to some illegal actions, such as sending spam mails and even worse. At least that’s what appeared on the screen in poor German....

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1st Advent…when the routers turn off

1st Advent…when the routers turn off

At the end of November, the pre-Christmas season usually starts in Germany. The famous Christmas Markets, such as the Christkindle market in Nuremberg, open in every city and people celebrate the first Advent by lighting the first of four candles of the Advent wreath. Usually, the first Advent is the day when the contemplative time starts. The 27th of November, the first Advent in 2016 was for...

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