Page 65 - KEC Khaitan C5 Flipbook
P. 65
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.
uiz Bee Which type of malware spreads on its own?
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How Do Trojan Horses Work?
They are received as an e-mail attachment from someone we know and appear legitimate.
Once you click the attachment, download and install it, the malware also gets installed
into the computer.
Effects of Trojan Horse
Like viruses and worms, they may Where does the Trojan Horse get its name
destroy the data and affect the from?
performance of the computer.
RANSOMWARE
Ransom is the money demanded to release the hostage kidnapped for the purpose.
Similarly, ransomware is malicious software used to access the data of the host system
illegally by encrypting it. The victim of the host system has to pay a huge amount of money
to the attacker to get back access to data.
HOW CAN WE PROTECT OUR COMPUTERS?
Install an antivirus program and ensure that it is updated timely.
Never allow any CD, DVD or pen drive brought from an untrusted source to be used directly
on the computer without scanning for viruses.
Never open e-mail attachments received from strangers.
Make sure the software on your computer is updated, including the operating system
and browsers.
Use the original operating system.
Do not download music, program or games from unknown sources on the Internet.
E-mail and Malware Safety 63

