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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58 views

What is the ISP Log retention timeline? [closed]

How do ISP store IP logs in timeline terms? Suppose an ISP stores logs for 6 months, do they store the january-december (yearly) logs for 6 months, or do they rotate them so each month is only stored ...
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73 views

What kind of data can be monitored/intercepted/altered by the VPN service provider? [duplicate]

As you may know, Virtual Private Network or VPN is a system to create an encrypted tunnel between two computers on the internet, on one end is the VPN client, and on the other end is the VPN server. ...
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25 views

Detecting multiple active login sessions to AD with workstation/DC event logs

I'm using Splunk to try to detect multiple Windows login sessions by a single user, as an indicator of compromise. However, I'm not sure how to go about this - I can ingest workstation logs (events ...
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1answer
97 views

Is logging number of special characters in password a bad idea?

Recently I started new work, and going through documentation and code to understand what company is doing. While doing that, I noticed there is logged number of special characters in his password. ...
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4answers
198 views

Logging access tokens

In our REST API we write a log entry for every call made, including things like the query string, response code, duration etc... along with a SHA256 hash of the access token used. The thought process ...
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3answers
131 views

Logging connections to hardcoded IP addresses

On a Windows system, I'm able to get a good idea of most outgoing traffic by enabling DNS query logging, but I am missing those connections that are made straight to hardcoded IP addresses. What would ...
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3answers
71 views

Securing SMTP server and its logs [closed]

Looking for general mail server security best practices here. I did some research and it's really hard to find the information out there. How do you safeguard a smtp server log? Are there any ...
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1answer
405 views

IP retrieval without visiting the site or clicking the link

I am doing some research. There are site like grabify and iplogger.org which allow you to get the IP of the person who has clicked the link. Logs are also generated by various bots when you send a ...
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3answers
279 views

How do I immediately block IPs once they do a single malicious act?

I get this in logwatch A total of 21 sites probed the server 1.144.111.208 123.31.43.40 174.216.5.13 185.156.177.234 188.175.196.105 188.71.236.121 197.229.2.33 197....
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1answer
63 views

What part of this request can be logged? [closed]

While testing a website i noticed a weird behaviour. When resetting the password a POST request with empty body is generated. The request is the following: POST /reset/token/[token]/passwhord-hash ...
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1answer
64 views

Local Scans initiated from a VLAN Broadcast IP address

Just reviewing some logs and I am seeing local scans to several local IP addresses on port 137 within my network. The source IP however is the broadcast IP of the VLAN (.255). I have checked the ...
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How are full URLs exposed when they are encrypted by HTTPS?

As far as I know, HTTPS URLs are encrypted (correct me if I'm wrong). There was a data leak recently and in one article about the leak I saw this picture: If HTTPS URLs are encrypted then how did the ...
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1answer
57 views

Do large companies keep a detailed “company log” book/database? [closed]

In my life, I have spent a lot of time thinking and wondering about many things related to larger businesses, even though I have no direct connection to that world. By "larger", I mean "not just a ...
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56 views

What does Telegram store (or potentially forward to 3rd parties)? [closed]

The Telegram messaging application apparently stores messages on its servers (at least - that's what it says in answers to this question here on the site). Is that everything it stores or forwards to ...
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40 views

What relative functionality needs to be implemented when users click an “Accept Cookies” button? [closed]

As of 2018, a recent security measure was passed, called 'The Cookie Law'. It states that; if you have a website or blog with visitors from the EU (which is likely to happen), "you need a cookie ...
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1answer
69 views

Logging new network connections without TCP Wrappers

My current job involves auditing systems for compliance with various policies. One of these policies is that all network connections must be logged, so that the origin of the connection (IP address ...
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35 views

Sysmon fails to use config file in Windows 7

Sysmon fails to use EventFiltering properties written in config file. I am trying to use,for example, this kind of config to detect network activity from powershell process: <Sysmon schemaversion="...
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1answer
42 views

Auditing Sysmon 10 DNS events on Windows 2008 R2

I have installed Sysmon 10 on a Windows 2008 R2 box in the hope of, amongst other things, capturing DNS requests. Sysmon appears to be capturing all other Event ID's except for 22. I have installed ...
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1answer
74 views

Detect vulnerability based on IIS log [closed]

Is there any tools to detect website vulnerability/suspicious request from IIS log? I was asked to do log review. The logs include IIS Log and Event Log. Is there any tools to detect if there's any ...
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2answers
500 views

Tracking Down Failed Logins

I've recently implemented a SIEM solution, and am now able to see a large amount of failed login attempts from legitimate users. In fact, it's such high volume that my SIEM is correlating them to be ...
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29 views

Does dism.log contain any sensitive information on Windows 10?

I'm looking to learn more about GPOs and powershell and when I tried to install the RSAT GPMC I received an error. I have the log of the session in dism.log but, I'm hesitant to post it anywhere as ...
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87 views

Application Security - Security Testing Log files?

As per latest OWASP Guidelines (2019) - a security assessor has to test against application platform configuration dubbed as OTG-CONFIG-002 in OWASP Testing Guide v4. Since OWASP is a Security ...
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2answers
91 views

How can I log access and usage of a MySQL database?

I am currently looking for an existing implementation method to generate logging of accesses and of usage of a series of MySQL databases by developers (not services) for further auditing. My current ...
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1answer
218 views

What's the risk if I accidently type my password into a username field in a website? [duplicate]

On websites that separate the screens where username and password are entered, such as GMail, it is possible that the users type the password in the username field because the username is sometimes ...
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1answer
59 views

Failed logins on a windows server - performance impact?

I have recently started analysing our logs and noticed 600-700 failed login attempts per day against a windows 2016 server hosting some shared files. I know what the cause is (another misconfigured ...
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39 views

Can the Windows Event Log be edited by a malicious program? [duplicate]

Is it possible that a malware can edit the Windows Event Log to hide System Event Log entries (specifically 6005 and 6006, which indicate startup and shutdown respectively)? If it is not possible, ...
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111 views

How to stop logging for a specific user?

I'm a root user on my server. There are a bunch of users on my system. As you know, when you type w you can see who is and who isn't online. With the last command you can check last users who were ...
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1answer
109 views

Is a good idea to have security logs stored in the cloud?

I was discussing with my friend the topic of the importance of log analytics/correlation and real-time response for an organization. Then, he mentioned that some people consider sending logs (...
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65 views

Manipulation-save logging

I have to keep a journal of all transactions that are performed in my application. Think of an invoice journal. What options do I have? E.g. an option in syslogd, or a table configuration in MySQL ...
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1answer
123 views

What are these queries my router seems to be making? [closed]

I am logging my home router's firewall. It gives a lot of entries like these: 07:17:00.157793 IP 192.168.178.1.serialgateway > 192.168.178.10.syslog: SYSLOG local0.alert, length: 136 07:17:00....
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1answer
369 views

ClamAV detects virus in Modsec Audit logs

I have a Xen VM running Debian Stretch with Apache2 to play around with. I have installed ClamAV and Modsecurity (not doing anything just logging at the moment). I keep getting emails from ClamAV ...
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1answer
229 views

OWASP: Insufficient Logging & Monitoring - open source tools

Being new to the security and logging and after reading a lot about the terms used, I am pretty sure I neither need an IDS/IPS nor a WAF. I am mostly interested in automating the "monitoring" of my ...
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1answer
265 views

Benefits of placing WAF reverse proxy/transparent in front of web-based honeypots?

For my final year project, I wanted to do a comparative analysis of 2 WAF's ModSec/Shadow Daemon and web-based honeypot SNARE/TANNER. I wanted to find out if there are any benefits of placing WAF ...
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1answer
61 views

Does embedding (concatenating) a user ID in a session token for logging have any security implications?

Assuming there's a user with ID 123456 logging into a web application where the randomly generated session identifier to be stored in the cookie looks like this 123456zXRL9DWpPtaAhkPzhemQZE5P5F (that ...
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1answer
800 views

Is it normal for my IPv6 to change?

My IPv6 is changing a lot, exactly three times in last three days (I saw on Microsoft's last activity), and all accounts that I keep login on my browser have disconnected. The actual IP is listed by ...
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34 views

How much VirtualBox device/ios emulator/blueStacks informatin can be logged/tracked by servers/ apps?

This question is intended to know if we can be tricked by Virtual devices emulators. How much logging information can servers/apps request to tell the difference? In the other word, Can we hide our ...
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1answer
63 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
284 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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105 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
622 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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1answer
250 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 ...
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4answers
11k 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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2answers
608 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 ...
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2answers
185 views

Fortigate Creating Millions of DNS events to standard domains [closed]

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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0answers
38 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
58 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 ...
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1answer
31 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
13k 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
59 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 "...
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2answers
61 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 ...

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