Data collection is an essential part of network management to ensure network devices are being efficiently monitored and managed. NetFlow and SNMP (Simple Network Management Protocol) are two widely used techniques for collecting network data. These two approaches are similar in that they both aim to provide valuable information about network traffic and device status. However, there are...
Cybersecurity has become a real trendy world in everybody’s live either used as a fancy term, to generate confidence associated to high technology topics, or to create panic and generate that sense of fear and urge for protection. We can find this uncomfortable…
As time goes by, data access security is becoming a more pressing requirement in the technological world. Companies are more aware of how important it is to guarantee that those that access corporate platforms are who they say they are. Since the number of data stored is growing exponentially, the risk of identity theft poses a serious threat. Nowadays, the most common authentication system is...
The nature of electromagnetic waves is such that anyone in a wireless network can receive the data sent over the air. With high-gain antennas, it is possible to listen in on the data that passes through an office from outside the building. That is why, right from the outset, a great deal of importance has been attached to wireless network security. By 1999, the first version of the IEEE 802.11...
Nowadays, all offices, hotels, parks, hospitals and above all private domiciles, have Wi-Fi connectivity for laptops, tablets and smartphones. Likewise, we must consider the new lines of intelligent domestic equipment, also connected and remotely managed via Wi-Fi. There is, however, a question we all ask ourselves: how safe are wireless networks? Should a hacker access our Wi-Fi, they could...
In February this year, a team of researchers both from Google and CWI Institute in Amsterdam announced that they were able to generate two PDFs documents with different content that would hash into the same SHA-1 digest. This may lead to a big problem in security that I will try to explain to you but first let’s put ourselves in context. What is a hash? The hash functions are one of the most...
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