Why is the Security light on in a 2001 Chevy Blazer that doesn't even have a security system?
The 2001 Chevy Blazer does have an ignition security system that is controlled by the computer in the vehicle. The light might come on because of an error that is coming up in the computer due to a key problem or an ignition problem. This is a common issue with the 2000 and 2001 Blazer.
System security is OS level security like you have username password to logon on your system. Database security is db level security governed by your database software.like you have different schemas that have different passwords.You can decide grants and permissions for various db objects based on these db level users.
Where computer security deals with the processes applied to computer system(s), information security concerns all of the aspects regarding the system of policies and/or procedures for identifying, controlling, and protecting information from unauthorized disclosure. While often synonymous, information security is actually a superset of computer security, encompassing the fields of data security, transmission security, network security, physical security, personal security, and personnel security,
All in all there are only TWO types of Security measures -- Physical Security and Digital Security. These two have its subcategories composed of the following. Physical Security: 1. Outer Perimeter Security 2. Natural Access Control 3. Territorial Reinforcement 4. Inner Perimeter Security Digital Security Systems: 1. Monitored System 2. Unmonitored System 3. Wireless Alarm System 4. Electric Current Home Alarm