Intrusion Detection Systems – Your Internet Security Managers
Once your business goes online, there is always the risk of attacks. These threats could easily infiltrate your system and cause you immeasurable harm. Intrusion detection systems should be a priority as soon as you relinquish control of your site. You need to have a vulnerability assessment done so that you can determine which intrusion detection system will work for you. Some of the benefits of intrusion detection systems are the quick assessment of activities, detailed vulnerability analysis, and configurations, as well as identification of activity patterns. This will keep you updated of any unexpected and unknown traffic.
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In this article, Tekedia Editors discuss the value of investing in intrusion detection systems.
How intrusion detection systems work
“In our contemporary time, there is no question that IT internet security is a vital aspect of ensuring that your business is secured against malicious attacks. For those who are not still aware, once your whole system goes online, you leave it vulnerable to attacks in the real world. Interestingly, the solution to protect your digitalware is modest that it is easy to ignore.” Read more here
The intrusion detection system works as a device which seeks out any data that seems malicious. It examines the data to find out if it is safe or malicious. If it identifies any doubtful activity, it will prohibit entry and notify you. It acts as a barrier between your company’s network and the rest of the world. It will also help in identifying any violations in the set policies. It stores the data it collects especially of malicious activities. Should a similar action take place, it will automatically flag it as suspicious.
In this article, Paul Innella discusses intrusion detection systems in detail including the different techniques.
Techniques used by intrusion detection systems
“Intrusion detection systems, or IDSs, have become an important component in the Security Officer’s toolbox. However, many security experts are still in the dark about IDS, unsure about what IDS tools do, how to use them, or why they must. This article will offer a brief overview of intrusion detection systems, including: a description of what IDSs are, the functions they serve……” Read more here
The Network Intrusion Detection System (NIDS) and the Host Intrusion Detection System (HIDS) use different techniques in identifying threats. Anomaly detection is one of the methods used to detect by HIDS and NIDS. Any abnormal behavior is easily detected, and the system sends an alert. These anomalies include unusual sign in times or frequent failed attempts to sign into the computer or network. Other techniques include signature detection, stealth probes, and target monitoring.
In this article in rapid7.com, the author further discusses intrusion detection systems and intrusion prevention systems.
Pros and cons of intrusion detection systems
“A network intrusion detection system (NIDS) can be an integral part of an organization’s security, but they are just one aspect of many in a cohesive and safe system. They have many great applications, but there are also weaknesses that need to be considered. It is important to compare an NIDS against the alternatives, as well as to understand the best ways to implement them.” Read more here
It is essential for one to take note of the warnings sent by the intrusion detection systems. Unfortunately, some people assume that a firewall is enough to protect their network and computer. The firewall is designed to keep out malicious attacks, but the intrusion detection system warns you of any attempts to penetrate your system. As soon as the intrusion detection system senses a possible attack, it notifies the administrator so that action can be taken.
Although intrusion detection systems have several benefits, they come with a few challenges. They send warnings should they find anything suspicious. However, they may not be able to act on it. It is vital to have someone who understands the system and how it functions. This way the right command is given should there be an attack. Sometimes, the alerts sent may be false. This is because the intrusion detection systems cannot tell if a threat is real or not. It is up to the administrator to determine the extent of the danger. However, despite these shortcomings, having an intrusion detection system is of higher value as the benefits outweigh the challenges.