Компьютерные сети, Интернет и кибербезопасность

1.

Computer Networks and
Cybersecurity
Prepared by:

2.

What is a Network
01
Connection of
computers and
devices
02
Allows data
exchange
03
Used in schools,
offices, and homes
04
Shares resources:
internet, printers,
and files

3.

Types of Networks
LAN — Local Area Network
LAN is a local network that connects computers
within one building, such as a school, office, or
home. It allows users to quickly share files, access a
common internet connection, and use connected
devices like printers.

4.

Types of Networks
WAN — Wide Area Network
WAN is a global network that connects computers
and local networks across cities and countries.
Thanks to WAN, users can share information over
long distances, work remotely, and access Internet
resources.

5.

Types of Networks
Internet
The Internet is the largest global network in the
world, connecting billions of computers and devices.
It allows people to search for information,
communicate, study, play, and work. The Internet
has become an essential part of modern life and the
foundation of the digital society.

6.

Types of Networks
Wi-Fi — Wireless Network
Wi-Fi is a technology that allows devices to connect
to a network without cables. With it, you can access
the Internet through a router using laptops, phones,
and tablets. Wireless networks are convenient but
must be password-protected to prevent
unauthorized access.

7.

Internet Threats
There are many dangers on the Internet:
viruses, malware, phishing, data theft, and
cyberbullying. Attackers can hack accounts,
trick users into giving personal information,
or install malicious software. That’s why it’s
important to stay alert and cautious while
using the Internet.

8.

Cybersecurity
Cybersecurity is the protection of
computers, networks, and data from
hackers and malicious software. It helps
prevent the theft of personal information
and financial loss. To stay safe, it is
important to use antivirus programs,
strong passwords, and regularly update
your software.

9.

Conclusion
Computer networks and the Internet have
become an important part of our lives. They
offer great opportunities for communication,
learning, and work, but they also require
responsible and safe use. By following
cybersecurity rules, everyone can protect
themselves and their data in the digital world.

10.

Thank you for
your attention