Notes on Network and Security and for unit 040

Hello, I have written some notes about security that relate to networks.
Contents include:

• Common types of physical threats
• Common types of electrical threats and consequences
• Methods of providing physical access, security and electronic access to ICT systems.
• Security vulnerabilities associated with remote access technologies
• Cryptographic algorithms
• Methods of attacking password protected systems
• Operation of Public Key Infrastructure (PKI)
• Concepts of the Key Management and Certificate lifecycles
• and more

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