1.4 network security Flashcards
malware
a broad term that covers all software written to facilitate loss of data, encryption of data, fraud and identity theft
social engineering
most vulnerabilities are caused by humans - not locking computers, using unsecure passwords
phishing
sending emails purporting to be from reputable companies to entice people into revealing personal information
brute-force attack
a trial-and-error method of attempting to guess passwords. Automated software is used to generate a large number of guesses
denial-of-service
flooding a server with so much traffic that it cannot process legitimate requests
data interception and theft
stealing computer-based information
SQL injection
a hacking technique used to view or change data in a database by inserting SQL code into a form instead of data
penetration testing
designed to test the security of a system and identify vulnerbailities
anti-malware software
protects against many types of malware
firewall
network software or hardware designed to prevent external users from gaining unauthorised access to a computer system
user access level
-the degree of system access that a specific type of user is allowed
-on a network, most users will access, whereas a system administrator or network technician will be allowed much greater access with fewer restrictions
password
a secret word or phrase used to gain access to a computer, program, interface or system
physical security
any form of physical security intended to protect data and systems e.g. alarms, locks, security patrols etc.
