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Eccouncil 112-51 Exam - Topic 1 Question 6 Discussion

Actual exam question for Eccouncil's 112-51 exam
Question #: 6
Topic #: 1
[All 112-51 Questions]

Jay, a network administrator, was monitoring traffic flowing through an IDS. Unexpectedly, he received an event triggered as an alarm, although there is no active attack in progress.

Identify the type of IDS alert Jay has received in the above scenario.

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Suggested Answer: B

A false positive alert is a type of IDS alert that occurs when the IDS mistakenly identifies benign or normal traffic as malicious or suspicious, and triggers an alarm, although there is no active attack in progress. A false positive alert can be caused by various factors, such as misconfigured IDS rules, outdated signatures, network anomalies, or legitimate traffic that resembles attack patterns. A false positive alert can waste the time and resources of the security team, as they have to investigate and verify the alert, and also reduce the trust and confidence in the IDS. A false positive alert can be reduced by tuning and updating the IDS, filtering out irrelevant traffic, and using multiple detection methods. A false positive alert is the type of IDS alert Jay has received in the above scenario, as he received an event triggered as an alarm, although there is no active attack in progress. Reference:

False Positive Alert - Week 10: Intrusion Detection and Prevention Systems

What is a False Positive in Cybersecurity?

How to Reduce False Positives in Intrusion Detection Systems


by Glendora at Apr 12, 2024, 08:48 AM

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Wenona
3 months ago
False positive is the right call, no doubt about it!
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Alyce
3 months ago
I thought true positives were for actual attacks?
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Vi
3 months ago
Wait, are we sure it's not a true negative?
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Sabra
4 months ago
Agreed, false positive makes sense here.
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Peter
4 months ago
That's definitely a false positive alert.
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Freeman
4 months ago
If there's no attack but an alarm is triggered, it definitely sounds like a false positive alert to me.
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Terry
4 months ago
I’m leaning towards false positive too, but I keep mixing up the definitions of true and false alerts.
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Loren
4 months ago
I remember practicing a similar question, and I think a true negative alert would mean no alarm at all, so that can't be it.
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Margo
5 months ago
I think this might be a false positive alert since there's no actual attack happening, but I'm not completely sure.
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Wendell
5 months ago
Wait, I'm a little confused. If there's no attack, but the IDS still triggered an alert, is that really a false positive? I'll need to double-check the definitions of these IDS alert types.
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Dierdre
5 months ago
Okay, let's see. If there's no active attack, but the IDS still triggered an alarm, that sounds like a false positive to me. I'm pretty confident in that answer.
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Kathryn
5 months ago
Hmm, I'm not sure about this one. I'll have to think it through carefully to make sure I don't mix up the different types of IDS alerts.
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Lonny
5 months ago
This one seems pretty straightforward. If there's no active attack, then the alert must be a false positive.
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Erin
5 months ago
Hmm, this is a tricky one. I'm not entirely sure about the differences between the strategies mentioned. I'll need to think carefully about the details of each option to determine the best answer.
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Joanna
5 months ago
This looks like a straightforward Data Loader question. I think I've got this one covered.
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Theresia
5 months ago
I'm not sure I fully understand the difference between the means and standard deviations here. Should I be focusing on the actual values or the statistical measures? I'll need to think this through carefully.
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Mauricio
5 months ago
I'm not too sure about non-repudiation. Is that really something digital signatures do? I feel like confidentiality could be important too.
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Dannette
2 years ago
I beliDannette it's a false negative alert because Jay didn't detect an actual attack.
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Tamra
2 years ago
Could it be a true negative alert instead of a false positive?
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Janna
2 years ago
But why did the IDS trigger a false positive alert? Maybe there was a misconfiguration.
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Cora
2 years ago
I agree with Samira, it must be a false positive alert.
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Samira
2 years ago
I think Jay received a false positive alert.
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Eileen
2 years ago
I don't think so, A true negative alert would mean no attack was missed by the IDS.
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Katie
2 years ago
Could it be a true negative alert instead?
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Christene
2 years ago
I agree with it's likely a false positive if there's no active attack.
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Eileen
2 years ago
I think Jay may have received a false positive alert.
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Lashandra
2 years ago
Hmm, I don't know. This is making my head spin. Can we get a clarification on the definitions of these terms? I want to make sure I understand it before I commit to an answer.
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Kris
2 years ago
Ooh, good point. I think you might be right. A true negative would be when the IDS correctly identifies that there's no threat, which is what's happening here. I'm leaning towards that as the answer.
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Daisy
2 years ago
Wait, hold on. Isn't a false positive when the IDS detects a threat that's not actually there? In this case, it seems like the IDS is picking up something, even though there's no attack. Shouldn't that be a true negative alert?
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Gail
2 years ago
No, actually it would be a true negative alert because there is no real threat detected.
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Una
2 years ago
So, in this case, it would be a false positive alert, right?
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Carmelina
2 years ago
You're right. A false positive alert is when the IDS detects something that isn't really a threat.
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Rikki
2 years ago
Yeah, I think you're on the right track. Since there's no active attack, it must be a false positive alert. The IDS is triggering an alarm even though there's no actual threat.
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Alishia
2 years ago
Well, from what I understand, a true positive alert means the IDS correctly identified a real threat. But if there's no active attack, then it can't be a true positive, right?
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Nakita
2 years ago
Hmm, this seems like a tricky one. I'm not entirely sure about the difference between true positive, false positive, and the other options. Anyone have any thoughts on this?
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