ISYS104 W11 L1.docx

O can lead to 2 types of losses initial loss of

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o Can lead to 2 types of losses: Initial loss of capability – service is unavailable, loss of data Secondary loss due to recovery procedures - restoring data from backup could loss data if not done correctly (this can be avoided) 6) What are the different types of security threats? (Note: W12 Content) - The five types of threats are: o Unauthorised data disclosure o Incorrect data modification o Faulty service – Service is received but it is not working correctly o Denial of service – Server is trying to be accessed but it won’t allow access or it crashes o Loss of infrastructure - Each of these types are caused by the 3 sources above - Unauthorised Data Disclosure: 1. Human Error: o Accidently post private info on public profile
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o Restricted information on searchable websites 2. Malicious Activity: o Pretexting – Pretending to be someone else via phone call o Phishing – Pretending to be someone else via email o Spoofing – changing IP address or email sender details (masking real details) o Sniffing – driving around to find unprotected networks o Network tap – breaking into networks 3. Natural Disaster: o
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