A security log is used to track security-related information on a computer system. Examples include:

• Windows Security Log
  Windows Security Log
  The Security Log, in Microsoft Windows, is a log that contains records of login/logout activity or other security-related events specified by the system's audit policy. Auditing allows administrators to configure Windows to record operating system activity in the Security Log. The Security Log is...
  
  
• Internet Connection Firewall security log

According to Stefan Axelsson, "Most UNIX installations do not run any form of security logging software, mainly because the security logging facilities are expensive in terms of disk storage, processing time, and the cost associated with analyzing the audit trail, either manually or by special software."

See also

• Audit trail
  Audit trail
  Audit trail is a sequence of steps supported by proof documenting the real processing of a transaction flow through an organization, a process or a system.....
  
  
• Server log
  Server log
  A server log is a log file automatically created and maintained by a server of activity performed by it.A typical example is a web server log which maintains a history of page requests. The W3C maintains a standard format for web server log files, but other proprietary formats exist...
  
  
• Log management and intelligence
  Log management and intelligence
  Log management comprises an approach to dealing with large volumes of computer-generated log messages...
  
  
• Web log analysis software
  Web log analysis software
  Web log analysis software is a simple kind of Web analytics software that parses a log file from a web server, and based on the values contained in the log file, derives indicators about who, when, and how a web server is visited...
  
  
• Web counter
  Web counter
  A web counter or hit counter is a computer software program that indicates the number of visitors, or hits, a particular webpage has received...
  
  
• Data logging
• Common Log Format
  Common Log Format
  The Common Log Format is a standardised text file format used by web servers when generating log files. Because the format is standardised, the files may be analysed by a variety of analysis programs....
  
  
• Syslog
  Syslog
  Syslog is a standard for computer data logging. It allows separation of the software that generates messages from the system that stores them and the software that reports and analyzes them...