Tag: file integrity

Authentication Leave a comment

File Integrity of Password Files

Authentication Security Password files on Linux are used to store user details, like your unique user ID and name. It defines who you are on the system, your access to files, and the permissions you have. Proper password management, together with file integrity of your password files, is important. It keeps your system and user accounts safe.   Password Files For most Linux distributions there are two related files available: /etc/passwd and /etc/shadow. The first file defines what local users […]

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(last updated at ) Hardening Leave a comment

Security Defenses to Fortify your Linux Systems

How to Fortify your Linux Systems Create a Linux security fortress; implementing security defenses using towers, bridges, and guards. Still many companies have difficulties implementing basic security measures. Even after years of websites being defaced, and customer records stolen, the same mistakes are made over and over again. While this all might sound like an unsolvable situation, information security is getting attention from more people. If you are responsible for the system management of Linux systems, ignoring security is no […]

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Accounting, Auditing, Kernel Integrity, System Integrity Leave a comment

Linux System Integrity Explained: Ensure Data, Logging and Kernel Integrity

Linux System Integrity Explained From Data and Logging, up to Kernel Integrity Systems exist for one primary goal, which is processing data. Information security helps protecting this valuable data, by ensuring its availability, integrity, and confidentiality. In other words, data should be available when we need it. Then it should be properly transmitted and stored, without errors. Our last goal ensures that it is only available to those with a need to know. Many open source software components are available […]

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Auditing, Intrusion Detection, Linux

Monitoring Linux File access, Changes and Data Modifications

Monitoring File access, Changes and Data Modifications   Linux has several solutions to monitor what happens with your data. From changing contents to who accessed particular information, and at what time. For our auditing toolkit Lynis, we researched and tested several solutions over the last few years. In this article we have a look at these solutions to monitor file access, changes and modifications to the data and beyond. What is Data? Data is a collection of bits, ordered in […]

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(last updated at ) File Integrity, Monitoring Leave a comment

Monitor for File System Changes on Linux

Monitor for File System Changes The most important areas with information security are preventing some events from occurring and detecting it if something still happens. Unfortunately most companies forget to put enough effort in detection unauthorized activities. In this article we have a special look at monitoring your file system, to detect changes to your critical system files and their configuration files. Method 1: File Integrity tools The first method is monitoring file changes with the help of specific tools. […]

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