network security

network security

1. a firewall is a system designed to prevemt unauthorized access to or from a private network.

   • firewall
     • controls sending and receiving data packet
       • makes it harder for users without permission to access your network.

2. Types of malware that anti-malware software typically protect systems from include viruses, Trojan horses, worms, spyware and keylogger programs, ransomware, rootkits, bootkits and even adware. Anti-malware tools are often included with internet security suites for comprehensive protection of computer systems.

   • anti malware software
     • scans the network for malware.
       • stopping the malware from spreading.

3. sometime abbreviated as PWD (not to be confused with the linux pwd command.

   • password
     • should be strong and changed regularly.

4. the transation of data into a secret code

   • encryption
     • scrambles the data packets being sent and received on the network.
       • so that only users with the key can access information.