Which of the following is an example of bomb virus?

Another famous time bomb example happened in 1998: the CIH virus, otherwise known as Chernobyl. Its trigger time was April 26, the date of the infamous Chernobyl nuclear disaster. Many consider the CIH virus the most destructive malware attack of its time.

What is the difference between a virus and a bomb?

A virus is only one of several types of malicious logic that can harm your computer or your entire network. Unauthorized diskettes brought in from home are a common source of viruses. … A logic bomb is a program normally hidden deep in the main computer and set to activate at some point in the future, destroying data.

What is logic bomb malware?

A Logic Bomb is a piece of often-malicious code that is intentionally inserted into software. It is activated upon the host network only when certain conditions are met. Logic bombs execute their functions, or launch their payload, once a certain condition is met such as upon the termination of an employee.

What is a software bomb?

Unlike viruses or Trojans that work their way in from the outside, software bombs are planted by someone with access to internal software. … Bombs typically are designed to delete files, though the only real limitations on their malicious capabilities are tied to their size.

What does Time Bomb mean?

1 : a bomb so made as to explode at a predetermined time. 2 : something with a potentially dangerous or detrimental delayed reaction. Synonyms Example Sentences Learn More About time bomb.

What is logic bomb explain with example?

A logic bomb is a piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met. For example, a programmer may hide a piece of code that starts deleting files (such as a salary database trigger), should they ever be terminated from the company.

What are two common spam indicators?

What are two common indicators of spam mail? (Choose two.) The email has keywords in it.The email has misspelled words or punctuation errors or both.

Are logic bombs illegal?

From 1980 to 1985, some software developers imbedded logic bomb into their software, set to destroy the software itself if the license was not renewed. Of course, today this practice is illegal, but people are still using logic bombs in other contexts to achieve their ends.

What does stealth virus do?

When performing such tasks, antivirus programs detect the malware, but the stealth virus is designed to actively remain hidden from antivirus programs. It accomplishes this by temporarily moving itself away from the infected file and copying itself to another drive and replacing itself with a clean file.

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What is trap door virus?

A trap door is kind of a secret entry point into a program that allows anyone gain access to any system without going through the usual security access procedures. … Programmers use Trap door legally to debug and test programs. Trap doors turns to threats when any dishonest programmers to gain illegal access.

How does virus worms and logic bomb differs from each other in terms of impact or damage?

A computer worm spreads like a virus but is an independent program rather than hidden inside another program. A logic bomb is a program normally hidden deep in the main computer and set to activate at some point in the future, destroying data.

What is polymorphic virus?

Polymorphic viruses are complex file infectors that can create modified versions of itself to avoid detection yet retain the same basic routines after every infection. To vary their physical file makeup during each infection, polymorphic viruses encrypt their codes and use different encryption keys every time.

What is Trojan cyber security?

A Trojan horse, or Trojan, is a type of malicious code or software that looks legitimate but can take control of your computer. A Trojan is designed to damage, disrupt, steal, or in general inflict some other harmful action on your data or network.

How do I know if my computer has malware?

7 Signs You Have Malware and How to Get Rid of It

  1. Popup Ads Start Popping Up Everywhere. …
  2. Your Browser Keeps Getting Redirected. …
  3. An Unknown App Sends Scary Warnings. …
  4. Mysterious Posts Appear on Your Social Media. …
  5. You Get Ransom Demands. …
  6. Your System Tools Are Disabled. …
  7. Everything Seems Perfectly Normal. …
  8. So, You’ve Got Malware.

How does a multipartite virus work?

A multipartite virus is defined as a virus that infects your boot sector as well as files. The area of the hard drive that is accessed when the computer is first turned on. Can infect floppy disks.

What’s the word to stop a bomb?

Defuse is a World War II relic, and in its original meaning it is merely a sum of its parts: de- and fuse. It means to remove the fuse from (a mine, a bomb, etc.). Its figurative meaning developed quickly after, and is now the meaning most of us are most likely to encounter: to make less harmful, potent, or tense.

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How do you defuse a bomb?

Is Ticking Time Bomb a metaphor?

However, the “ticking bomb” metaphor is used to justify torture in certain extreme situations. The concept of the “ticking bomb” was first conceptualised in a fiction novel written by Jean Larteguy in 1960 (Kovarovic 2010: 254). … The use of torture by states is by no means a recent phenomenon.

What is rootkit virus?

A rootkit allows someone to maintain command and control over a computer without the computer user/owner knowing about it. Once a rootkit has been installed, the controller of the rootkit has the ability to remotely execute files and change system configurations on the host machine.

What is macro malware?

Macro malware hides in Microsoft Office files and is delivered as email attachments or inside ZIP files. These files use names that are intended to entice or scare people into opening them. They often look like invoices, receipts, legal documents, and more.

What is Comp virus?

A computer virus is a malicious piece of computer code designed to spread from device to device. A subset of malware, these self-copying threats are usually designed to damage a device or steal data. Think of a biological virus – the kind that makes you sick.

How do you spot a 2021 phishing email?

Here are 10 signs to look for when determining whether an email is legitimate or a scam:

  1. COVID-19 Vaccine Information.
  2. Unexpected Attachments.
  3. Inconsistent URLs.
  4. Action Required: Requests to Update Information.
  5. Misspellings and Poor Grammar.
  6. Something’s “Off”
  7. W-2 Form Request.
  8. An Email from the CEO.

How can you tell if someone is phishing on your account?

6 sure signs someone is phishing you—besides email

  1. Your software or app itself is phishing. …
  2. You’ve received a mysterious text or call. …
  3. You’ve “won” something. …
  4. Your social media accounts are being weaponized. …
  5. Your URL doesn’t look right. …
  6. You’ve been warned or given an ultimatum.

Can opening a spam email give you a virus?

Can I get a virus by reading my email messages? Most viruses, Trojan horses, and worms are activated when you open an attachment or click a link contained in an email message. If your email client allows scripting, then it is possible to get a virus by simply opening a message.

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What does the macro virus do?

Macro viruses work by embedding malicious code into data files, such as documents and spreadsheets. This code is activated as soon as these files are opened or when macros are enabled, proceeding to infect other files on your device. Microsoft Word documents are common carriers of macro viruses.

Are there uses for a logic bomb that are not malicious?

The type of action carried out in a logic bomb does have a non-destructive use: It makes restricted, free software trials possible. After a certain time period, a piece of code embedded in the software’s code causes the free software to disappear or become crippled so the user needs to pay to continue to use it.

What do botnets steal?

Botnets can be used to perform Distributed Denial-of-Service (DDoS) attacks, steal data, send spam, and allow the attacker to access the device and its connection. The owner can control the botnet using command and control (C&C) software. The word botnet is a portmanteau of the words robot and network.

Who invented stealth virus?

By using techniques to hide its existence, it was also the first stealth virus. Created by two brothers from Pakistan, Basit Farooq Alvi and Amjad Farooq Alvi, Brain infected the boot sector of a floppy disk. But why was it written?

Which type of virus is backdoor?

A backdoor is a malware type that negates normal authentication procedures to access a system. As a result, remote access is granted to resources within an application, such as databases and file servers, giving perpetrators the ability to remotely issue system commands and update malware.

What is parasitic virus?

A Parasitic Virus, also known as a file virus, is spread by attaching itself to executable programs. When a program infected with a parasitic virus is opened, the virus code runs. To hide, the virus passes control back to the original program.