Internet Security (AQA A-Level Computer Science): Flashcards
📚Flashcards
Practise the cards
10 cards from this deck
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Practise the cards
10 cards from this deck
Firewall function
Firewall function
Protects network from unauthorised access
Stateful inspection
Stateful inspection
Examines packet content & context, not just headers
Proxy server
Proxy server
Acts on behalf of computer; no direct internet connection
Symmetric encryption key
Symmetric encryption key
Same key for encryption & decryption
Asymmetric encryption keys
Asymmetric encryption keys
Two related keys: public & private
Digital certificate
Digital certificate
Ensures message from trusted source via Certification Authority
Digital signature uses
Digital signature uses
Hashing & public/private key encryption
Trojan characteristic
Trojan characteristic
Hidden in file; doesn't replicate
Virus defining feature
Virus defining feature
Replicates itself & spreads
Worm unique feature
Worm unique feature
Spreads independently without attaching to files