If you see a sudden spike in computers communicating with a specific external host, this may mean you have malware infecting your computers. With this tool, you can see which devices are communicating and which protocols they are using. NetFlow Traffic Analyzer enables you to answer all these questions.and more! If a user is streaming video, you can see that it is happening and who it is in real-time. What kind of traffic are the computers on my network generating? Is there a user or a department that is hogging all the bandwidth? How much bandwidth is actually being used? What applications are consuming all my bandwidth? NetFlow Traffic Analyzer tells you what is going on with your computer network, and allows you to answer questions like: Usually, you have to wait until you get complaints from users. This way, it actually covers the most critical threats that network face nowadays, such as advanced persistent threats, inside threats, and even employee abuse, unauthorized access and data leak cases.Overall Opinion: Network bandwidth isn't something that you can physically see, so it can be hard to tell that you don't have enough. And, you also have a historic data archive for later investigation whenever deemed necessary. Further analysis of SIEM events can be explored thanks to NetFlow data. Unlike signature-based anti-viruses, facing known threats, this concept of not-preventing but quick-reacting is necessary for rising zero-day attacks. It compliments firewalls, centered on end points of the network, by providing inside view of the network. In general, NetFlow Analyzer software is an essential part of any security infrastructure for detecting anomalies in the network and troubleshooting threat incidents. NetFlow version 9 is the latest version, created to support advanced technologies such as MPLS, IPv6, Multicast, VLANs, etc. Version 5 is commonly used on most Cisco NetFlow enabled devices. There are numerous NetFlow protocol versions, most important of which are versions 5 and 9. NetFlow Analyzer performs all of these functions. It can then be reviewed in a more user-friendly form. This data is exported to a server, where it is collected, processed, aggregated and archived. NetFlow is a network protocol, developed by Cisco Systems, used for exporting collected IP flow traffic.
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