CBSE Class 8 Computer Science - Introduction to Computer Security. Learning the important concepts is very important for every student to get better marks in examinations. The concepts should be clear which will help in faster learning. The attached concepts made as per NCERT and CBSE pattern will help the student to understand the chapter and score better marks in the examinations
.Introduction to Computer Security
What is Computer Security?
Computer Security is the protection of computing systems and the data that they store or access. It is the body of technologies, processes and practices designed to protect networks, computers, programs and data from attack, damage or unauthorized access.
Elements of cyber security include:
· Application security
· Information security
· Network security
· Disaster recovery
· End-user education.
· Protecting personal and sensitive information
A hacked computer can be used to...
a. Record keystrokes and steal passwords.
b. Send spam and phishing emails.
c. Harvest and sell email addresses and passwords.
d. Access restricted or personal information on your computer or other systems that you have access to.
e. Illegally distribute music, movies and software.
f. Distribute child pornography.
g. Infect other systems.
h. Hide programs that launch attacks on other computers.
i. Generate large volumes of traffic, slowing down the entire system.
Many cyber security threats are largely avoidable.
Some key steps that everyone can take include:
· Use good, cryptic passwords that can't be easily guessed - and keep your passwords secret
· Make sure your computer's operating system and applications are protected with all necessary security "patches" and updates
· Make sure your computer is protected with up-to-date antivirus and anti-spyware software
· Don't click on unknown or unsolicited links or attachments, and don't download unknown files or programs onto your computer
· Remember that information and passwords sent via standard, unencrypted wireless are especially easy for hackers to intercept
· To help reduce the risk, look for "https" in the URL before you enter any sensitive information or a password. (The "s" stands for "secure".)
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