DOS attacks are not new, in fact they have been aroun for a long time. However, there has been a recent wave of Distributed Denial of services attacks, which pose a great threat to security and are on the verge of overtaking Viruses/Trojans to become the deadliest threat to Internet security.
In a distributed DOS Attack, a group of say, five hackers join and decide to bring a Fortune 500 company's server down. Now, each one of them breaks into a smaller less-protected network and takes control. So, now they have five networks and supposing there are around 20 systems in each network, it gives these hackers, around 100 systems in all to attack from. They now connect to the network, install a Denial of Service tool on the hacked networks and using these hacked systems launch attacks on the Fortune 500 company. This makes the hackers less easy to detect and helps them do what they wanted to do without getting caught. As they have full control over the smaller less-protected networks, they can easily remove all traces before the authorities get there.
In a distributed DOS Attack, a group of say, five hackers join and decide to bring a Fortune 500 company's server down. Now, each one of them breaks into a smaller less-protected network and takes control. So, now they have five networks and supposing there are around 20 systems in each network, it gives these hackers, around 100 systems in all to attack from. They now connect to the network, install a Denial of Service tool on the hacked networks and using these hacked systems launch attacks on the Fortune 500 company. This makes the hackers less easy to detect and helps them do what they wanted to do without getting caught. As they have full control over the smaller less-protected networks, they can easily remove all traces before the authorities get there.
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