Fichas
Cyber Security
Fichas del conjunto (23)
- 1What are the Internal Threats to Digital Systems and Data Security?Accidental sharing of data
Use of USBs
Downloads from the Internet
Accessing confidential information
Intentional stealing/ leaking of data
Visiting questionable websites - 2Why are systems attacked?Fun/Challenge
Financial gain
Personal attack
Industrial espionage
Data Theft
Disruption - 3What are the external threats to digital systems and data security?Brute-force attacks
Denial of Service
Botnet
Pharming
Shoulder surfing
Pharming
Man in the middle attacks
Phishing
Malware - 4What are the 6 types of malware?Virus
Trojan Horse
Rootkit
Worms
Spyware
Ransomware - 5What is a Brute force attack?Trying all possible password/PIN/ key combinations
- 6What is a Denial of service (Dos) attack?Servers and devices are flooded with too many requests or packets causing them to crash or become unstable.
- 7What is a Botnet (robot network)?A hacker will infect a zombie device which they anonymously control to send spam, for Dos attacks or to mine cryptocurrency.
- 8What is shoulder surfing?Looking over someone's shoulder when they enter a password or PIN.
- 9What is Pharming?Install malicious code onto your computer designed to redirect website traffic intended for one site, to a fake, official looking website.
- 10What is a Man-in-the-middle attack (MITM)?Intercepts communication between the user and server to eavesdrop or alter information.
- 11What is Phishing?Redirect a user to a fake website where they trick the reader into divulging confidential information such as passwords that can be used fraudulently
- 12What is a Virus?Infects a host file and replicates itself on other computers. It causes damage to/ deletes software or data.
- 13What is a Trojan?Code that is hidden inside an attractive program or utility that a user may want to download or install. It carries out malicious activity such as installing spyware or a rootkit.
- 14What is Spyware?Hidden software that records keystrokes, passwords and other sensitive information to send to a 3rd party.
- 15What is Worms?A program that will replicate itself and use up system or network resources.
- 16What is Rootkit?Allows hackers to run any programs or see any files available on a computer.
- 17What is Ransomware?Holds a computer hostage by encrypting all data on the hard drive. The only way to read the data is to pay a ransom fee for the password that will decrypt the file.
- 18What are the impacts of a security breach?Reduction in productivity
Financial loss
Data loss
Downtime
Legal action
Damage to public image - 19What are the 5 methods of user access restriction?Physical security
Passwords
Biometrics
Levels of permitted access
Two-factor authentication - 20What is Two-factor authentication?Asks questions based on
'who you are' (biometrics)
'what you have' (ID card)
'what you know' (PIN)
The user must have 2 of these things to be authorised. - 21What is device hardening?The practice of making a device harder to attack.
e.g software patches, tightly configuring user access levels, disabling unused network ports and non essential services, - 22What is ethical hacking?Cyber security professionals can be employed by companies to try and break into their systems.
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Información
- Descripción
- GCSE IT Fichas sobre Cyber Security, creado por Caitlin McCrimmon el 07/01/2023.
- Creado por
- Caitlin McCrimmon
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