network security

network security

1. firewalls

   • firewalls protect (a network or system) from unauthorized access with a firewall. "a firewalled network"
   • They let data out and in only if there are ports to go through

2. physical security

   • This is the protection of information and information systems from the elements is as important as protecting them from unauthorised people - of physical access, which should be restricted to authorised personnel. IT equipment is tempting to thieves, and can be damaged by accidents or sabotage
   • if you didn't have the physical security then you can be easily hacked.

3. user access levels

   • when different people has different access studenmts have the bottom level staff have the bottom and the seconf level and the technitians have all the levels

4. passwords

   • Are used to protect your settings and data
   • not having a password can lead you into a series of problems like data lost like photos passwords for accounts etc

5. encryption

   • they can code personal details or information so that hackers can't intercept
   • if you didn't have this then your personal data can be used and lots of things can go because you have lost control with your data.