Malicious Code, Pharming, Weak and Default Passwords (AQA GCSE Computer Science): Flashcards
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Cyber security definition
Cyber security definition
Protecting networks, devices & info from attacks & unauthorised access
Malicious code (malware) definition
Malicious code (malware) definition
Harmful software installed without permission to damage, disrupt or steal data
Three main types of malware
Three main types of malware
Computer viruses, Trojans, spyware
Pharming definition
Pharming definition
Attack redirecting users from real to fake websites
Pharming malware method
Pharming malware method
Malware changes IP settings to redirect to fake sites
Pharming DNS server attack method
Pharming DNS server attack method
Infecting DNS servers to redirect many users to fake sites
DNS server definition
DNS server definition
System that translates domain names to IP addresses
Examples of weak passwords
Examples of weak passwords
Dictionary words, keyboard patterns, birth dates, pet names
Brute force attack definition
Brute force attack definition
Systematically trying thousands of password combinations
Dictionary attack definition
Dictionary attack definition
Using lists of common passwords & dictionary words to crack passwords
Default password problem
Default password problem
Users don't change them; listed in manuals; hackers know them
Strong password characteristics
Strong password characteristics
Long with uppercase, lowercase, numbers & symbols