Lightweight Directory Access Protocol (LDAP) are attacks that make use of a directory- / filesharing protocol typically used in intranets. The devices on the network communicate with each other making queries for access to files and directories.
When these requests aren't being well validated and sanitized then an intruder could change the query and trick the other party to give access to the hacker.
Links to malicious sources can be hidden in many ways; messages, e-mails, websites etc. The danger exists in the user trusting the link before realizing that it leads to a malicious source. This can result in logging-in to cloned malicious websites, downloading malicious sources or loosing control of the communication session without realising the breach has happened.
Prevention typically exists of checking an external source thoroughly before trying to access it and verify that it came / comes from a trusted sender who's account is not being compromised.
What is Linux? Linux is a computer-operating system. Like other operating systems Linux consists of various software components that manage computer hardware resources and enable you to do tasks such as surfing the web or editing a file in a text editor.
Linux is a free and open source software, which means that you can use, copy, study, and change the software in any way. It is distributed with the source code so users can view and modify it. This is in contrast to Microsoft Windows, a proprietary operating system.
Some of the more popular Linux distributions are Debian, Ubuntu, Fedora, openSUSE, Red Hat Enterprise Linux and SUSE Linux Enterprise Server.
Today, Linux runs almost every computing platform available: mobile phones, tablets, servers, desktops, mainframes, etc. Android, a widely used operating system for mobile phones and tablets is based on the Linux kernel.
Security: Linux always had a good reputation as where security was concerned, but not very long ago we have seen a surge in Linux-based malware. A few years ago, there was a spike in Linux malware targeting routers and other Linux-based peripherals, for example: Mirai (and all its variants) and Moose. Nowadays (2021) things seemed to have calmed down, but how do we really know for sure if we don't exactly know what's out there but we just haven't discovered it (yet)? Many Linux system administrators lack the knowledge to counter threats facing their infrastructures, one of the reasons might be that resources for in-depth knowledge are not so easy to find as for other operating systems like Microsoft Windows and only a small percentage of users install security products on Linux systems.
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