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Questions tagged [logging]

Specific to logging of alerts, activities and actions. This also covers user's history managed by software such as browsers.

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31 views

Monitoring of Logging

I wish to implement logging and auditing features on a Windows 10 client used for carrying out secure transactions through our FTP server, with a client organisation. What all features could I ...
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0answers
16 views

How do use ArcSight ESM to monitor powershell logs? [closed]

I have read mixed reviews, our team within our DoD sector suggest that ingestion the logs directly into the SIEM platform would be best and I feel that having a third party tool with signatures, look ...
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0answers
34 views

Mediafire Privacy

In their Data retention policy Mediafire states about the download records: These are short term logs of who accessed and downloaded content from whom’s account. We keep this for the minimum amount ...
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1answer
57 views

Do ISP’s in America keep IP assignment logs forever? [closed]

I read that the majority of ISP’s keep theirs for at least 180 days. However, does anyone know how long charter spectrum keeps theirs? Do ISP’s retain their logs forever even if they are using a DHCP ...
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0answers
34 views

Should Session-Timeout events be logged

I am working on Audit logs for an ERP project and searching for all kind of events to be logged. In this project, session, timeouts on inactivity. I was wondering if logout by session-timeout should ...
28
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4answers
9k views

Is displaying email addresses in an application log file allowed under GDPR?

I'm working on an application that is completely built upon user interaction. In my application logs, I log each interaction and print the email address to uniquely identify which user did which ...
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0answers
20 views

mod security rule to send email on every trigger

I made a script that reads the log file of the modsec 3 module in apache. It sends an email every 5 minutes with new triggers. I discovered that it is also possible to execute a script (e.g. send ...
1
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2answers
124 views

Windows process documentation for tuning Sysmon

I recently installed Sysmon, which logs events to OSSEC and currently monitors several endpoints. I have been trying to whitelist benign processes such as Windows services. Many of these processes run ...
1
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1answer
73 views

Fortigate Creating Millions of DNS events to standard domains

I am trying to tune our SIEM and noticed that we are receiving millions of DNS records every day from the same domains. These are: update.microsoft.com swscan.apple.com softwareupdate.vmware.com ...
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34 views

Snort CSV details @ alert

I have enabled the fast logging mode, my question here is how can I extract the CVE details or reference tag inside the /var/log/alert file, as if now I am able to see only this much data in alert ...
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0answers
28 views

Does Windows log program launches?

I wrote a Python script to automate mounting my Veracrypt-encrypted file. The password is provided via standard input (without echoing). os.system('veracrypt /hash whirlpool /l K /p "' + password + ...
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1answer
49 views

The main things a cloud data center could inject into its hardware

So some cloud service providers like Amazon use custom hardware to improve different characteristics of their servers. This also means they can control the security better, because there is nothing ...
1
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1answer
25 views

What are the drawbacks to automatically deleting web server access logs?

What would be the downsides to either disabling or automatically deleting web server access logs that are older than 7-10 days? I'd like to limit how long I store personally-identifiable data (IP ...
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8answers
12k views

Should log files be kept secret?

Accessing web server log files via a URL has a certain appeal, as it provides easy access. But what are the security risks of allowing open access to log files?
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1answer
41 views

How to protect UEM (Unified Endpoint Management) agent on your endpoint

A lot of companies install a UEM agent on employee's laptop to keep track of the health status of the laptop. And they allow the laptop to connect to the internal network if this UEM sends back "...
1
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2answers
57 views

How to protect your anti virus program or logging agent?

its a very simple question but might not be too trivial. Imagine an attacker has access to your device and gained SYSTEM privilege. Your company has installed a logging agent on your device to capture ...
2
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1answer
37 views

is there a low-overhead way to log every new file created on a Linux host?

I know about inotify but am concerned it would use too many resources. Is there a better way to monitor a fairly static system (like a web host) for new and unexpected files being created?
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2answers
164 views

Are log files executable files?

As a beginner in security research project, I came across log injection and my question is itself about log injection files. Are log injection files executable, if no, how do they execute/run ...
3
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1answer
63 views

AWS Flowlog for Private Subnet Showing Routable IP's

When reviewing Flowlogs for a host on a private subnet in an AWS VPC that routable IP addresses are being rejected. How is that possible? I expect IP addresses from the private subnet could be ...
1
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0answers
57 views

How to determine who turned off security logging on my windows server?

We know that our windows logging was disabled on several windows servers as we started to get late log message alerts in our SIEM. We know approximately the time frame this happened. However, I don't ...
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2answers
144 views

Is it secure to interact with a web page before it has fully loaded?

Web pages are often displayed in the browser before they have finished fully loading (i.e. the loading indicator is still spinning, etc). Usually this is caused by a slow advert or a video, etc. But ...
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1answer
82 views

auditd-like software for Windows?

I need to know how to log users and admins activity on Windows, like auditd does on Linux. After searching, the only thing I found was this Audit account log-on events policy option for Windows 7. ...
2
votes
2answers
97 views

Does an admin need legitimaly to access his own logs generated by auditd?

In my understanding, admins need to access logs of the servers, workstations, services and applications they manage, either for administration or debugging purposes, never to logs generated by auditd ...
3
votes
2answers
188 views

How IDS and Firewall Logs are aggregated and feed aggregated log to SIEM?

I am studying SIEM tools. Firewall logs will be different from IDS logs and even from Antivirus logs. How can log aggregation take place?
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7answers
5k views

How to prevent admins to access logs from their own activity?

The idea would be to prevent an attacker who has stolen a root/admin account or escalated to clear his own activities or even read the traces of what he is doing. Let's assume we are under Linux, we ...
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2answers
352 views

how to check if my server has been hacked [closed]

I have a couple of Ubuntu 16.04 servers. I want my server to be secure and ensure they can only be accessible by me and things. I check the auth.log and last. But I heard that hackers can change the ...
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1answer
106 views

IP Logs at LinkedIn [closed]

To make a long story short, the CEO in my firm was fired but she did not change her status at LinkedIn about being employed at my firm. I sent her several mail that remained unanswered. So after 9 ...
2
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1answer
185 views

What to never log to Android logcat?

Android apps write their logs to a file (usually referred to as "logcat") which is very useful not only for developers but also for users who want to investigate problems. You can easily see that ...
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3answers
146 views

What are the benefits of logging the username of a failed authentication attempt?

From time to time, some users can accidently type their password in the username field, either because they missed the tab key or because they thought their account was simply locked, not logged out (...
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1answer
79 views

Encrypted log entries authorization

We have a database table of encrypted log entries, each encrypted entry containing information about the user who created the entry. The entry is encrypted with the encryption key of the particular ...
2
votes
1answer
58 views

Is it reasonable to consider logs as a “technical control”?

I'm studying for the CCSP exam and one of the examples of technical controls (referenced in the course training material) confuse me: Technical controls, also referred to as logical controls, are ...
3
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1answer
62 views

Central console antivirus for Linux computers in LAN or equivalent solution

In our company, we need by policy AVs on every developers' Linux (Mint) computers. Right now we have ClamAV running on them, daily scheduled scans and every developer manually sends the report log to ...
50
votes
5answers
10k views

Should I log that a user changed their password?

Are there any security concerns with logging that a user changed their password? I'm already logging whenever an admin changes a users password for audit purposes, but is there a reason to not have a ...
1
vote
2answers
123 views

How can I protect the signup form in my website? Is special spam prevention needed?

I'm struggling to write a secure sign-up form for my website. (My site is some kind of an image gallery. I have knowledge in html, javascript, msql and php) I know there is a tactic to secure login ...
2
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1answer
51 views

Storing Apache logs in docroot

I have a client who hosts multiple sites in Apache. They're storing each site's access.log and error.log in the docroot under logs/, and they're publicly accessible via the web. To me, this seems ...
3
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1answer
2k views

Can I know that my bluetooth speaker has been hacked?

I have a JBL Go bluetooth speaker paired with a Dell laptop running Ubuntu 17.10. I suspect malicious intermittent activity on that speaker, but I am not sure and I am looking for proof or evidence ...
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0answers
157 views

Looking for resources for interpreting my security logs

I am currently setting up an Apache web server on a Linux machine at my house. I am working on a website project which will allow users to log in to complete certain work. There is no open ...
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0answers
329 views

Snort.log output as unreadable symbols

I have recently installed Snort IDS on Linux Ubuntu 16.04LTS (not server), after experimenting and testing configuration in VitualBox. After installing and successfully validating the configuration ...
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3answers
157 views

What is the difference between Compliance and Auditing in Information Security?

I am a student working on my semester project and it's about developing a SIEM solution with Big Data tools to be used in a SOC (security operations centre) and I know that collecting logs can be used ...
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0answers
228 views

How can access to a certain named pipe be denied or logged on Windows Server?

Suppose a system administrator became aware of a service running on their server that both created a named pipe that allowed access by remote clients (e.g., ordinary domain users), and that had an ...
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2answers
1k views

Do XSS attempts leave any trace on the server?

If I do a test with a classic <script>alert(1)</script>, does the website owner see my attempt? Does XSS leave some trace behind? I will try to build a little server on my Ubuntu with a ...
3
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2answers
2k views

Audit trails vs. log files

I read an article that said if you use production data in your test system that you should enable logging and audit trails. What is the difference between log files and audit trails? Isn't it nearly ...
0
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1answer
51 views

Historical IP reputation data

I have a firewall log with events from 2 years ago. I want to examine that log as if I was investigating at the time of collection (2 years ago). However, I would like to use IP address reputation ...
45
votes
3answers
7k views

Should we keep logs forever to investigate past data breaches?

Listening to the Secure code lessons from Have I Been Pwned made me really think about logging. It appears that in the real world a lot of data breaches are discovered long after they happened which ...
1
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1answer
44 views

Do cloud service providers offer insights on their security issues?

Should someone want a highly secured cloud environment, having the whole infrastructure managed by a third party could be quite stressful I guess. There are things you can't manage yourself in a ...
2
votes
1answer
66 views

How to monitor traffic/capture packets on your network?

Say you're having a basic LAN-infrastructure (a Router, a Firewall, a switch connected with multiple access points, a server and multiple clients). I want to be able to detect malicious traffic ...
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0answers
207 views

redirect connection to honeypot service [closed]

i am currently redirecting attackers to themselves based on a few rules <iptables> -t nat -A PREROUTING -s <ip> -j DNAT --to-destination <ip> i was thinking that maybe it could be ...
4
votes
2answers
343 views

Is it ok to write OidC Bearer token to log?

During development we added to error logs details of http requests, including headers, to have better understanding for error investigation. Our architect pointed that we should not place sensitive ...
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0answers
50 views

Are there common threat signatures to look for in logs? [closed]

I'm using ELK to grab, store and analyze logs. I would like to automate a bit the search process with tools like Etsy's 411. I'm aware of the yara rules and so forth, but it's a bit too malware-...
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1answer
211 views

How can I prevent modsecurity from logging binary data

In my modsecurity auditlog there is a binary file logged as text: How can I prevent modsecurity from bloating my logfiles with the content of binary files like that?