Network Security

Network Security

1. Anti-Virus

   • Anti-virus software is a program or set of programs that are designed to prevent, search for, detect, and remove software viruses, and other malicious software like worms, trojans, adware, and more.
   • (of software) designed to detect and destroy computer viruses.
   • Scan specific files or directories for any malware or known malicious patterns
     • Allow you to initiate a scan of a specific file or of your computer, or of a CD or flash drive at any time.

2. Fire Wall

   • protect (a network or system) from unauthorized access with a firewall.
   • A firewall is a network security system, either hardware- or software-based, that uses rules to control incoming and outgoing network traffic.
   • A firewall acts as a barrier between a trusted network and and an untrusted network. A firewall controls access to the resources of a network through a positive control model. This means that the only traffic allowed onto the network is defined in the firewall policy; all other traffic is denied.

3. Encryption

   • the process of converting information or data into a code, especially to prevent unauthorized access.
     • Encryption secures online information, protects Untied Kingdom infrastructure from countless daily attacks and is a vital component of our national defenses.

4. Password

   • A password is a string of characters used to verify the identity of a user during the authentication process. Passwords are typically used in conjuncture with a username
     • A password is a string of characters used to verify the identity of a user during the authentication process.
   • Other terms that can be used interchangeably are passphrase for when the password uses more than one word, and passcode and passkey for when the password uses only numbers instead of a mix of characters, such as a personal identification number.
   • Passwords can vary in length and can contain letters, numbers and special characters.

5. Network security is protection of the access to files and directories in a computer network against hacking, misuse and unauthorized changes to the system. An example of network security is an anti virus system.

   • Protection Software's
     • McAfee
     • BullDog
     • Norton