This depends on the Unix/Linux system release; vendors may differ in how they log information. Typically, in a Linux distro you can find sshd authorization errors in auth.log. Other systems use syslog or syslog.log, depending on how they are configured. Check your system information to see what the exact log file is called in your environment.
It depends how long the company is required to keep them. Countries have different laws regarding the retention of personal information.
status bar
It contains short messages (Apex)
musle
/var/log/dmesg is the file which contains kernel initializaion messages. By typing dmesg command in the shell prompt we can see
event viewer
This folder is called the Inbox, and contains both read and unread messages, which can be sorted to various sub-folders.
Describe the information to be given when transferring calls or leaving messages
Event Viewer ~Chute~
Voicemail, Instant messages, Email messages, and Data on handheld devices
Examples of electronically stored information include emails, documents, databases, images, videos, and audio files. Additionally, other examples could be text messages, social media posts, and instant messaging chats.
Yes, there are people who can capture information from emails and instant messages on the internet and they are known as crackers.