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WORMS
A worm is a self-propagating program that works without human intervention. It is a kind
of malware that uses a computer network to send copies of itself to another computer on
the same network.
Worms do not require human action to activate or spread once they are inside a network.
They are designed to propagate automatically without user interaction, unlike viruses,
which often require user actions such as opening a file.
How Do Worms Work?
They can be sent through e-mails and once we open Just as rust weakens and
these links, they provide a link to malicious files damages a bridge, a virus
and download automatically. Once installed, they weakens and damages the
replicate themselves without the knowledge of the functions of a computer.
user.
Symptoms of Worms
The memory of the computer gets occupied and storage capacity lowers.
Programs start crashing and do not run properly.
Files get deleted and replaced automatically on the computer.
Effects of Worms
They cause severe harm to the network by blocking it and reducing its speed.
They can change the content of the files and also delete them.
They can sometimes insert additional malicious software into the computer.
They steal data and also gain control over your computer.
Tick ( ) if you know this.
▶ A malware that can spread itself from one computer to another
▶ A worm that uses a network to send copies of itself to another computer on the
same network
TROJAN HORSE
Trojan horse or Horse conceals itself inside the software that seems legitimate. It has
the ability to cause serious damage when they enter the computer. Once installed,
they allow unauthorised access to the computer making it easier for it to be remotely
controlled by someone else. This may lead to loss of personal data and confidential
information.
E-mail and Malware Safety 95

