What are the three main threats to network?

Asked by: Meggie Kling  |  Last update: October 3, 2025
Score: 4.8/5 (42 votes)

What are the 3 threats to information security?
  • 1 - Malware. Malicious software is one of the most common threats to information security and is an umbrella term for viruses, worms, ransomware, and trojans etc. ...
  • 2 - Phishing. ...
  • 3 - Internal threats.

What are the 3 main Internet threats?

Malware. Ransomware. Distributed denial of service (DDoS) attacks.

What are the 3 major security threats of a wireless network?

The Most Common WiFi Security Threats and How to Prevent Them
  • Password attacks. One of the most common ways cybercriminals gain access to WiFi networks is through password attacks. ...
  • Man-in-the-middle attacks. ...
  • Rogue access points. ...
  • Eavesdropping. ...
  • Denial-of-service attacks.

What are the three 3 types of network service vulnerabilities?

3 types of network vulnerabilities
  • Outdated software. If your software is outdated, your network may not have the updated security protocols to prevent cyberattacks. ...
  • Working outside of the company network. ...
  • Stolen usernames and passwords.

What are the 3 elements of network security?

How Does Network Security Work?
  • Confidentiality – protecting assets from unauthorized entities.
  • Integrity – ensuring the modification of assets is handled in a specified and authorized manner.
  • Availability – maintaining a state of the system in which authorized users have continuous access to said assets.

Network Security: Threats - GCSE Computer Science

30 related questions found

What are the three types of threats?

A threat can be spoken, written, or symbolic.

What are the 3 basic elements of a network?

Basic elements of a computer network include hardware, software, and protocols. The interrelationship of these basic elements constitutes the infrastructure of the network. A network infrastructure is the topology in which the nodes of a local area network (LAN) or a wide area network (WAN) are connected to each other.

What are 3 network security threats?

Common network security threats include malicious software (malware), phishing schemes, Distributed Denial of Service (DDoS). Many network security issues create the additional risk of regulatory non-compliance.

What are the three main vulnerabilities?

The triple vulnerability model (Barlow, 2000, 2002) posits that three vulnerabilities contribute to the etiology of emotional disorders: (1) general biological vulnerability (i.e., dimensions of temperament such as neuroticism and extraversion); (2) general psychological vulnerability (i.e., perceived control over life ...

What are Layer 3 security threats?

Layer 3 DDoS attacks primarily target network infrastructure, such as routers, firewalls, and load balancers. By overwhelming these devices with an excessive amount of network traffic, the attackers aim to disrupt the functioning of the target network and cause a denial of service.

What are the three 3 basic network security measures?

Types of Network Security Protections
  • Firewalls control incoming and outgoing traffic on networks, with predetermined security rules. ...
  • Network segmentation defines boundaries between network segments where assets within the group have a common function, risk or role within an organization. ...
  • Zero Trust.

What are 3 common computer security threats?

Types of Computer Security Threats and How to Avoid Them
  • Computer Viruses. Perhaps the most well-known computer security threat, a computer virus is a program written to alter the way a computer operates, without the permission or knowledge of the user. ...
  • Spyware Threats. ...
  • Hackers and Predators. ...
  • Phishing.

What are the three types of network security?

Network security has a threefold protection approach: technical, physical, and administrative protection. Technical security measures are focused on protecting data through encryption and other technologies. Physical security of networks involves securing network hardware and infrastructure.

What are the 3 C's of Internet safety?

Areas for online risks can be categorised into the 3 C's - Content, Contact and Conduct, and can be commercial, aggressive or sexual in nature as shown in the table below. Where they are going and what they see? - this will help you talk about content risk.

What are three main threats to data security?

In the past decade, social engineering, ransomware and advanced persistent threats (APTs) are on the rise. These are threats that are difficult to defend against and can cause catastrophic damage to an organization's data.

What are the three 3 major Internet privacy issues?

Internet Privacy Issues: Tracking, Hacking and Trading - Global Brands Magazine.

What are the three 3 categories of threats to security?

The three most general categories are natural threats (such as earthquakes), physical security threats (such as power outages damaging equipment), and human threats (blackhat attackers who can be internal or external.)

What are the three types of vulnerability?

TYPES OF VULNERABILITY

Karis(2016) said physical, economic, social and attitudinal vulnerability are used to describe how communities are at-risk for disaster.

What are the three types of risk in cyber security?

Top 10 Cyber Security Risks
  • Malware. Malware, short for “malicious software”, simply means the intention of programs created to destroy or break computer systems. ...
  • Phishing. ...
  • Man-in-the-Middle Attacks (MitM) ...
  • Denial-of-Service Attacks (DoS) ...
  • Zero-Day Exploits. ...
  • Insider Threats. ...
  • Credential Theft. ...
  • AI-Driven Threat Detection.

What is the biggest threat to network security?

Top 7 Network Security Risks (And How to Mitigate Them)
  • Encryption.
  • Ransomware.
  • DDoS Attacks.
  • Insider Threats.
  • Cloud Security.
  • SQL Injection.
  • Man-in-the-Middle Attacks.

What are the network layer threats?

The network layer is a critical component of the networking architecture that operates at the third layer of the Open Systems Interconnection (OSI) model. It serves as an intermediary between the data link layer (Layer 2) and the transport layer (Layer 4) in the OSI model.

What are three online security threats?

Threats
  • Cryptomining.
  • Malicious insiders.
  • Phishing.
  • Quishing.

What are the 3 main types of networks explain?

LAN (Local Area Network) MAN (Metropolitan Area Network) WAN (Wide Area Network)

What are the 3 main functions of a network?

Functions of Networking Concepts
  • Communication: The primary function of computer networks is to enable communication between devices. ...
  • Resource Sharing: Computer networks enable the sharing of resources among connected devices. ...
  • Data Transfer: ...
  • Information Access: ...
  • Collaboration: ...
  • Centralized Management:

What are the 3 essential networking basics?

The foundations of networking: switches, routers, and wireless access points. Switches, routers, and wireless access points are the essential networking basics. Through them, devices connected to your network can communicate with one another and with other networks, like the Internet.