Question 26 - Sample Paper 2 by Teachoo - Teachoo Sample Paper

Raj downloaded a free game from an unknown website and installed it on his laptop. After playing the game for a while, he noticed that his laptop was running slower than usual and some pop-up ads were appearing on his screen. He also found out that some of his personal files were deleted and some of his online accounts were hacked.

Identify and explain the cybercrime that Raj was a victim of. How could he have prevented it?

Answer:

Answer by student

The cybercrime that Raj was a victim of is malware infection . Malware is a malicious software that can harm the computer system or the user’s data . Malware can be in the form of viruses, trojans, adware, spyware, ransomware, etc. In Raj’s case, the free game he downloaded was probably infected with malware that slowed down his laptop, displayed pop-up ads, deleted his files and hacked his accounts.

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He could have prevented it by following some cyber safety measures, such as:

• Not downloading or installing software from unknown or untrusted sources

• Using a reliable antivirus software and keeping it updated

• Scanning the downloaded files before opening them

• Not clicking on suspicious links or pop-up ads

• Using strong passwords and changing them regularly

• Not sharing his personal or financial information online

Detailed answer by teachoo

• The cybercrime that Raj was a victim of is malware infection . Malware is a malicious software that can harm the computer system or the user’s data. Malware can be in the form of viruses , which are programs that can replicate themselves and infect other files; trojans , which are programs that disguise themselves as legitimate software but perform harmful actions; adware , which are programs that display unwanted advertisements on the user’s screen; spyware , which are programs that monitor and steal the user’s personal or financial information; ransomware , which are programs that encrypt the user’s data and demand a ransom for decryption; etc.
• In Raj’s case, the free game he downloaded was probably infected with malware that performed various malicious actions on his laptop, such as:
• Slowing down his laptop by consuming a lot of memory or CPU resources
• Displaying pop-up ads that could be annoying or misleading
• Deleting his personal files that could be important or sensitive
• Hacking his online accounts that could compromise his identity or security
• He could have prevented it by following some cyber safety measures , such as:
• Not downloading or installing software from unknown or untrusted sources, as they could contain malware or other harmful content. He should always check the reputation and reviews of the website and the software before downloading it.
• Using a reliable antivirus software and keeping it updated, as it can detect and remove malware from the computer system. He should also scan the downloaded files before opening them to ensure they are safe.
• Not clicking on suspicious links or pop-up ads, as they could redirect him to malicious websites or download more malware on his laptop. He should always verify the source and destination of the links and ads before clicking on them.
• Using strong passwords and changing them regularly, as they can protect his online accounts from being hacked. He should also use different passwords for different accounts and not share them with anyone.
• Not sharing his personal or financial information online, as they could be stolen by hackers or spyware. He should always use secure websites (with HTTPS) and encryption methods (such as SSL) when entering or transmitting such information.

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