Most Important Computer QUESTIONS
What are the
various ways you can prevent computer threats?
Tips to protect your computer
·
Use a firewall. ...
·
Keep all software up
to date. ...
·
Use antivirus software
and keep it current. ...
·
Make sure your
passwords are well-chosen and protected. ...
·
Don't open suspicious
attachments or click unusual links in messages. ...
·
Browse the web safely.
...
·
Stay away from pirated
material.
How can
security attacks be prevented?
Putting your network behind a firewall is
one of the most effective ways to defend yourself from any cyber-attack. A
firewall system will block any brute force attacks made on your network and/or
systems before it can do any damage, something we can help you with.
What is
security threats and its types?
Types of security
threats
In cyber security, it is more common to talk
about threats such as viruses, Trojan horses, and denial of service
attacks. Phishing emails is a social engineering threat that can cause,
e.g., loss of passwords, credit card numbers and other sensitive data.
What is virus
explain?
What is a computer virus? A computer virus is a
small software program that spreads from one computer to another and interferes
with computer operation. A computer virus might corrupt or delete data on a
computer, use an email program to spread the virus to other computers, or even
delete everything on the hard disk.
What does
Trojan horse virus do?
A Trojan horse (Trojan) is a type of malware that disguises
itself as legitimate code or software. Once inside the network, attackers
are able to carry out any action that a legitimate user could perform, such as
exporting files, modifying data, deleting files or otherwise altering the
contents of the device.
What is a Trojan horse virus example?
Here is one example of how a Trojan horse might be used
to infect a personal computer: The victim receives an official-looking
email with an attachment. The attachment contains malicious code
that is executed as soon as the victim clicks on the attachment.
What are the four 4 examples of Trojan horses
virus?
Types of Trojan
·
Backdoor Trojans. They
are one of the simplest but potentially most dangerous types of Trojan. ...
·
Exploit. ...
·
Rootkit. ...
·
Dropper/downloader
Trojans. ...
·
Banking Trojans. ...
·
DDoS Trojans. ...
·
Fake antivirus
Trojans. ...
·
Trojan-Game Thief.
Is Trojan virus harmful?
The effects of Trojans can be highly dangerous. Like
viruses, they can destroy files or information on hard disks. They can also
capture and resend confidential data to an external address or open
communication ports, allowing an intruder to control the infected computer
remotely.
What causes Trojan virus?
Many users install trojans from file-sharing
websites and fake email attachments. You can also get attacked from spoofed
chat messages, infected websites, hacked networks and more.
Why is it called a Trojan virus?
In computing, a Trojan horse is any malware that misleads
users of its true intent. The term is derived from the Ancient Greek
story of the deceptive Trojan horse that led to the fall of the city of Troy
Denial of service attack
A Denial-of-Service (DoS) attack is an attack
meant to shut down a machine or network, making it inaccessible to its intended
users. DoS attacks accomplish this by flooding the target with traffic, or
sending it information that triggers a crash.
How does a denial of service attack happen?
By saturating a targeted server with an overwhelming
amount of packets, a malicious actor is able to oversaturate server capacity,
resulting in denial-of-service. In order for most DoS flood attacks to be
successful, the malicious actor must have more available bandwidth than the
target.
What is DDoS attack and its types?
A DDoS attack is launched from numerous compromised
devices, often distributed globally in what is referred to as a botnet. It is
distinct from other denial of service (DoS) attacks, in that it uses a single
Internet-connected device (one network connection) to flood a target with
malicious traffic.
What are the 4 types of threats?
Threats can be classified into four different
categories; direct, indirect, veiled, conditional.
What is called threat?
/ (θrɛt) / noun. a declaration of the intention to inflict harm, pain, or misery. An indication of imminent harm, danger, or pain. a person or thing that is regarded as dangerous or likely to inflict pain or misery.
What are threats and examples?
Threats refer to factors that have the potential
to harm an organization. For example, a drought is a threat to a
wheat-producing company, as it may destroy or reduce the crop yield. Other
common threats include things like rising costs for materials, increasing
competition, tight labor supply.
Types of cyber security
Cyber security can be categorized into five
distinct types:
·
Critical
infrastructure security.
·
Application security.
·
Network security.
·
Cloud security.
·
Internet of Things
(IoT) security.
What are the 7 layers of cyber security?
The Seven Layers of Cybersecurity
·
Mission-Critical
Assets. This is data that is absolutely critical to protect. ...
·
Data Security. ...
·
Endpoint Security. ...
·
Application Security.
...
·
Network Security. ...
·
Perimeter Security.
...
·
The Human Layer.
What is cyber security and its types?
Cyber security is the practice of defending
computers, servers, mobile devices, electronic systems, networks, and data from
malicious attacks. It's also known as information technology security or
electronic information security.
Why is cyber security?
One single security breach can lead to exposing the
personal information of millions of people. These breaches have a strong
financial impact on the companies and also loss of the trust of customers.
Hence, cyber security is very essential to protect businesses and
individuals from spammers and cyber criminals
Why is it called cyber?
What does cyber mean? Prior to the advent of the
internet, cyber was used in the formation of words relating to
computers, computer networks, or virtual reality. This usage can be traced
to the word cybernetics, which was ushered into English in the 1940s by the
scientist Norbert Wiener.
Who created cyber security?
In the mid-1980s, German cyber security expert Bernd
Fix realized that his device had been infected by the Vienna virus. In
response, he coded a piece of antivirus software that located and removed the
Vienna malware. This was one of the first examples of modern antivirus software
as we know it today.
