Have you ever heard of an unexpected attack in which the authenticated users couldn’t access the secured systems, networks or devices for the sake of making certain changes? If so, then you already have the glimpse of what Denial of service attack looks like. A denial of service attack refrain the authentic user with all the legitimate credentials to have limited or no access at all to the secured web based applications and systems. They can neither access these systems nor make any changes whatsoever such as writing new code, changing certain user intuitive settings or blocking the access of illicit cyber criminals which caused the attack in the first place.

This is what a DOS or denial of service attack looks like, the attack itself is not so much sophisticated nor deadly but the delay it presents the authentic users is worrisome. For all that time which is rendered by the attackers that is what makes this whole situation more complicated. They can either change the authenticating channels, steal important user and corporate data or maybe do something much worse. One can’t always guarantee the intentions of a cyber-culprit.

Common types of the denial of service attack?

There are various forms in which a DOS attack, it can either be short lived or ranged over extended time periods. It can also be technology intensive such as only attacking the server systems or attacking the devices which connect with those servers. With DOS, its always complicated and you never know. But for the sake of argument following are the most common DOS attacks that you can witness.

  • It can begin with the attacker flooding the network server with increased amount of traffic such as people starting howling in from all over with only a limited server capacity to attend to dedicated requests. In this specific attack, the attacker send various false, true and mixed queries to the server to confuse it a bit or overload with over sustaining traffic. Almost all of the requests here are fabricated and have false IP addresses which adds more oil to the heat and the final result? Server collapses in effect of this added/increased burden and the DOS attack starts all over.
  • Smurf Attack: This is a highly intuitive attack and is not that common because here the attackers use internet control message protocol broadcast packets to a number of dedicated hosts. The source of the message is however spoofed or otherwise bogus (IP) address that in turn belongs to a target machine. The person or machine/website/server which receives these false packets would then continue to respond and the targeted host will in turn be flooded with these responses.
  • SYN Flood: This is the smartest of them all and the cyber attackers continue to use this method almost all the time. This type of attack is as sophisticated as it gets. The cyber attackers use the TCP/IP transmission system to commence this attack. According to TCP/IP systems an internet user needs to verify its connection with the server after a few open ports have been verified to be present. Without confirming their connection the ports remain engaged for no apparent reason and can’t facilitate any more queries or requests from other available users. Using this same method the attacker will continue to send as much as possible queries to disrupt/engage the ports so the authentic user can’t connect to make certain changes.

Disrupted denial of service attack

As you have already witnessed a few common phrases or types of DOS but this one right here is extremely sophisticated. DDoS is the most debilitating and nightmarish cyber attack that anyone can commence. During this attack the attackers or cyber criminals use various devices such as botnets which attack the same target/networking system. This the type of attack which is commenced on a large scale and interfere with the working of various cyber and related systems. The targeted systems also become infected and carry on the same DDoS attack on themselves as a self-inflicted or scripted attack.

The attack power can be increased by engaging more and more disrupted devices or internet botnets targeting the same target with much more intensity to increase the overall magnitude of the attack. This way the true source of the attack is also very difficult to identify or understand for the authentic users to overcome its ramifications.

DDoS attacks have not only increased in magnitude recently but has also become the favorite attack tool of the cyber criminals through IoT internet of things. Many of these internet devices have less or poor security mechanisms which adds to the compromising of sensitive information such as passwords and turning them into botnets to commence the DDoS attack altogether. If DOS attacks could alone be controlled or maneuvered by the cyber officials then almost half of the cyber attacks can be neutralized before then can even be commenced.

Safety measures to avoid DOS attack

There are various safety measures that can be incorporated by the cyber officials to neutralize this problem or stop it from happening or getting ahead. If you want to avoid being a target of this cyber abyss then you better comply with following safety measures;

  • Implement certain systems that can interpret the abnormal increase in traffic and terminate the working of the networking servers before the problem can escalate.
  • In event of an attack you need to make sure that you have a disaster recovery plan to mitigate, recover or communicate better in the event of an attack.
  • Antivirus systems should be properly updated and regulated for each and every server system.
  • Installing the firewalls and configuring them every now and then is in your best interest to keep things smooth and steering out of the problem.

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