Network Security
Network security protects devices, accounts, and data
Network security protects devices, accounts, and data from unauthorised access or cyberattacks. It makes sure only trusted users can access systems.
Usernames
Usernames
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Unique name to log in
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Helps identify authorised users
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Used with passwords for security
Passwords
Passwords
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Secret code to protect accounts
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Must be strong to stop unauthorised access
- Tips for Strong Passwords:
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8–12 characters
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Use UPPER and lower case
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Add numbers (e.g., 3, 9)
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Use symbols (e.g., @, !)
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Don’t use easy words or reuse passwords
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Two-factor Authentication
Two-factor Authentication
- Adds extra login step for safety
- Needs password plus something else:
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A code sent to your phone
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A prompt in an app
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A fingerprint or face scan
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A combination of a strong unique username, a strong unguessable password, and two-factor authentication will provide a high level of security for a network.