cyber security

Description

Mind Map on cyber security, created by Fletcher WALBY on 18/06/2020.
Fletcher WALBY
Mind Map by Fletcher WALBY, updated more than 1 year ago
Fletcher WALBY
Created by Fletcher WALBY almost 4 years ago
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Resource summary

cyber security
  1. key terms
    1. cyber security
      1. refers to the range of measures that can be taken to protect computer systems, networks and data from unauthorised access or cyberattack.
      2. threat
        1. Internal Threat = caused by an incident inside an organisation
          1. External Threat = caused outside the organisation
            1. A threat is an incident or an action which is deliberate or unintended that results in disruption, down time or data loss.
            2. attack
              1. An attack is a deliberate action, targeting an organisation’s digital system or data.
              2. Unauthorised Access
                1. This refers to someone gaining entry without permission to an organisation’s system, software or data. This achieved by exploiting a security vulnerability
              3. types of threat
                1. Trojan Horse:
                  1. Users are tricked into downloading it to their computer. Once installed the Trojan works undercover to carry out a predetermined task.
                  2. Rootkit:
                    1. Designed to remotely access and control a computer system without being detected by security software or the user.
                    2. Ransomware
                      1. Encrypts files stored on a computer to extort/demand or steal money from organisations.
                      2. Spyware:
                        1. Is secretly installed to collect information from someone else's computer
                        2. Keyloggers:
                          1. spyware that records every keystroke made on a computer to steal personal information
                          2. Adware:
                            1. Automatically shows adverts such as popups. Most adware is harmless but some contain spyware such as keyloggers
                            2. Botnet
                              1. Bots take control of a computer system, without the user’s knowledge. A botnet is a large collection of malware-infected devices (zombies).
                                1. An attacker (‘bot herder’) chooses when to ‘wake’ the zombies to perform an attack.
                              2. Distributed Denial-of-Service attack (DDoS attack)
                                1. flooding a website with useless traffic to inundate and overwhelm the network
                              3. Hackers
                                1. a hacker is someone who seeks out and exploits these vulnerabilities.
                                  1. black hat hacker
                                    1. is someone who tries to inflict damage by compromising security systems
                                    2. GREY HAT HACKER:
                                      1. is someone who does it for fun and not with malicious intent
                                      2. WHITE HAT HACKER:
                                        1. is someone who works with organizations to strengthen the security of a system
                                      3. social engineering
                                        1. is a set of methods used by cybercriminals to deceive individuals into handing over information that they can use for fraudulent purposes
                                          1. Shoulder Surfing/Shouldering
                                            1. It involves the attacker watching the victim while they provide sensitive information
                                            2. Phishing
                                              1. is an attack in which the victim receives an email disguised to look as if it has come from a reputable source, in order to trick them into giving up valuable data. The email usually provides a link to another website where the information can be inputted.
                                              2. Pharming
                                                1. is when a victim redirects the user from a genuine website to a fake one.
                                                2. Blagging/Pretexting
                                                  1. is an attack in which the perpetrator invents a scenario in order to convince the victim to give them data or money.
                                                    1. Blagging and Pretexting does not just happen by email but on the phone too
                                                    2. Tailgating/Piggybacking
                                                      1. Trying to gain access to a secure room or building.
                                                      2. Baiting
                                                        1. Cyber criminals make a promise of goods to get the information that they need.
                                                        2. Quid Pro Quo
                                                          1. Cyber criminals make a promise of a service to get the information that they need.
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