- What is a program that appears to be a legitimate application?
- What is the most common security policy failure?
- Can a virus execute itself?
- Can a virus spread through a network?
- What are the 4 types of malware?
- Is virus living thing or nonliving thing?
- What viruses infect humans?
- Which of the following is a common symptom of spyware?
- What is most malware written in?
- What is virus worm and Trojan horse?
- What’s the difference between a virus and a worm?
- What is the most dangerous type of malware?
- How do you detect malware?
- What is the greatest threat to theft of data?
- When a cryptographic system is used to protect?
- Is a Trojan a virus?
- What are the 5 types of viruses?
- What is the greatest threat to the confidentiality of data in most secure organizations?
What is a program that appears to be a legitimate application?
What is a program that appears to be legitimate application, utility, game, or screensaver and that performs malicious activities surreptitiously.
What is the most common security policy failure?
Ignorance is the most common cause of security failures.
Can a virus execute itself?
A computer virus is a small program written to alter the way a computer operates, without the permission or knowledge of the user. A virus must meet two criteria: It must execute itself. It will often place its own code in the path of execution of another program.
Can a virus spread through a network?
Yes, viruses can spread and infect computers simply from being on the same network. These viruses are called “Worms”. They are fully automated, meaning they don’t need any input from a user to activate, and they often spread without your knowledge.
What are the 4 types of malware?
The 5 most common malware types are viruses, worms, Trojan Horses, spyware, and ransomware.Virus. Viruses are designed to damage its target computer by corrupting data, reformatting your hard disk, or completely shutting down your system. … Worm. … Trojan Horse. … Spyware. … Ransomware.
Is virus living thing or nonliving thing?
Viruses are not living things. Viruses are complicated assemblies of molecules, including proteins, nucleic acids, lipids, and carbohydrates, but on their own they can do nothing until they enter a living cell. Without cells, viruses would not be able to multiply. Therefore, viruses are not living things.
What viruses infect humans?
These include:smallpox.the common cold and different types of flu.measles, mumps, rubella, chicken pox, and shingles.hepatitis.herpes and cold sores.polio.rabies.Ebola and Hanta fever.More items…•
Which of the following is a common symptom of spyware?
Common Symptoms of Spyware Difficulty logging into secure web sites like ICON and MyUI. Random advertisements that pop up on your computer. Unusual slowness of your system. Unusual instability in your system (computer crashes more than usual)
What is most malware written in?
Most malware is written in a Middle Level language and once the code is completed, it is compiled all the way down so it can be read by the hardware and/or operating system. At this level, the code is not “Human Readable” or easily read by human eyes.
What is virus worm and Trojan horse?
A worm is similar to a virus by its design, and is considered to be a sub-class of a virus. Worms spread from computer to computer, but unlike a virus, it has the capability to travel without any help from a person. … A Trojan horse is not a virus. It is a destructive program that looks as a genuine application.
What’s the difference between a virus and a worm?
The primary difference between a virus and a worm is that viruses must be triggered by the activation of their host; whereas worms are stand-alone malicious programs that can self-replicate and propagate independently as soon as they have breached the system.
What is the most dangerous type of malware?
Ranking of the 12 most harmful types of malware#9 Worms: … #8 Phishing: … #7 KeyLogger: … #6 Backdoor: … #5 Exploit: … #4 APT: … #3 DDos: … #2 Botnets: It consists of a network of devices infected with other types of malware and that can be controlled by the attacker remotely.More items…•
How do you detect malware?
You can also head to Settings > Update & Security > Windows Security > Open Windows Security. To perform an anti-malware scan, click “Virus & threat protection.” Click “Quick Scan” to scan your system for malware. Windows Security will perform a scan and give you the results.
What is the greatest threat to theft of data?
The single greatest threat to security comes from physical theft or loss of devices such as smartphones and laptops.
When a cryptographic system is used to protect?
Two. When a cryptographic system is used to protect the confidentiality of data, what is actually protected? Unauthorized users are prevented from viewing or accessing the resource. A receiver wants to verify the integrity of a message received from a sender.
Is a Trojan a virus?
Trojanized apps on Android smartphones As with computers, the Trojan presents itself as a legitimate program, although it’s actually a fake version of the app full of malware. Such Trojans usually lurk on unofficial and pirate app markets, enticing users to download them.
What are the 5 types of viruses?
What are the types of virus?Boot Sector Virus.Direct Action Virus.Resident Virus.Multipartite Virus.Polymorphic Virus.Overwrite Virus.Spacefiller Virus.
What is the greatest threat to the confidentiality of data in most secure organizations?
What is the greatest threat to the confidentiality of data in most secure organizations? Threatens confidentiality of data (getting in wrong hands) because data can be copied and become portable.