Computer Security Flashcards
the protection of computer systems and information from
harm, theft, and unauthorized use. It is the process of
preventing and detecting unauthorized use of your computer
system. There are various types of computer security which is
widely used to protect the valuable information of an
organization.
Computer Security
is securing information from
unauthorized access, modification & deletion
Information Security
is securing an application by building
security features to prevent from Cyber Threats such as SQL
injection, DoS attacks, data breaches and etc.
Application Security
means securing a standalone machine
by keeping it updated and patched
Computer Security
is by securing both the software and
hardware technology
Network Security
is defined as protecting computer systems,
which communicate over the computer networks
Cybersecurity
the physical part of the computer, like the system
memory and disk drive.
Hardware
permanent software that is etched into a
hardware device’s nonvolatile memory and is mostly invisible to
the user.
Firmware
the programming that offers services, like
operating system, word processor, internet browser to the user.
Software
Computer security is mainly concerned with three main areas:
The CIA Triad
is the concealment of information or resources. Also, there is
a need to keep information secret from other third parties that
want to have access to it, so just the right people can access
it.
Confidentiality
is the trustworthiness of data in the systems or resources by
the point of view of preventing unauthorized and improper
changes.
Integrity
refers to the ability to access data of a resource when it is
needed, as such the information has value only if the
authorized people can access at right time. Denying
access to data nowadays has become a common attack.
Imagine a downtime of a live server how costly it can be.
Availability
5 main technical controls
Firewalls
Secure Configuration
User Access Control
Malware Protection
Patch Management
can restrict network traffic and protect against
threats.
Firewalls
