Viruses are a form of malware. A virus is a program that is installed on a computer without your knowledge or permission with the purpose of doing harm.
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Phishing
Phishing is an attempt to steal information through use of a fake email or website pretending to be legitimate company or organisation.
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Brute force attack
Refers to an attack that goes through different passwords or letters until access to an account is eventually gained.
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Denial of service attack
An attempt to prevent legitimate users from accessing a website by flooding a network with useless spam or traffic.
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Data interception attack
Gaining unauthorised access by shouldering a user entering a PIN or password, accessing paper documents thrown away into rubbish bins or accessing data on a computer left logged on by users who have left the room.
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SQL injection
A technique that exploits security weaknesses in a website. It achieves this by inserting malicious SQL code into database field on a website
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Poor network policy
Some security problems can be attributed to poor network policy. Employees should be given strict guidelines about what is and is not acceptable behaviour in a relation to information technology.
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Penetration testing
Used to find any security weaknesses in a system.
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Internal penetration test
An internal penetration test puts the tester in the position of an employee with standard access rights to determine how much damage they could choose to cause.
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External penetration test
An external penetration test could target email servers, web servers or firewalls - the objective is to find whether a hacker could get in.
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Network forensics
Capturing, storing and analysing network events. Used by network managers to keep a network secure.
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Network policies
An Acceptable Use Policy makes it clear to all network users what is acceptable and what is not.
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Anti-malware software
Protects a computer in 3 ways: 1. Prevents harmful software from being installed. 2. Prevents important files from being changed or deleted. 3. If a virus is installed, the software will detect during scan.
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Firewalls
Designed to prevent unauthorised access to or from a private network or intranet. All messages entering or leaving pass through the firewall and those which do not meet specified security criteria are blocked.
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User access levels
Set for disks, folders and files so users can only access what they need to.
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Password
The easiest way to stop unauthorised access to a computer or certain files.
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1.6 System security
1.6 System security
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Other cards in this set
Card 2
Front
Phishing
Back
Phishing is an attempt to steal information through use of a fake email or website pretending to be legitimate company or organisation.
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