Network security

Network security

1. Network Threats

   • Malware -  Malicious software used to cause harm to a computer, server or network
   • Phishing - Attepmting to obtain infomation such as usernames, passwords, and credit card details by disguising as a trust worthy entity
   • Human error - an action not desired by a set of rules. Blagging - Targeting an internal victim to retreive infomation
   • Brute Force - Trail and error method used to obtrain certain infomation DoS attack - Hackers prevent legitimate users from accesing the service Data interception/Theft - Stealing of computer based infomation from an unknowing victim to comprimise privacy
   • Poor network policies - If you do not have good and strong network policies then you have a hightened chance of getting your data stolen, which can bring in legal issues

2. Identifying and Preventing Vulnerabilities

   • Network Forensics - A branch of digital forensics montering computer networks for legal reasons, and to deal with dynamic and volitile infomation
   • Penentration testing - testing a computer system, network or application to find vunerabilities

3. Preventing Vulnerabilities

   • Anti-Malware Software - protects your computer against viruses, rootkits, ransomware and spyware Firewall - A fire wall moniters and controls incoming and outgoing network traffic Password Protection - Allows only those with an authorized password to gain access to certain information. User Access Levels - Allows an administrator to set up a heirarchy of users Encryption - Encodes messages or infomation so they cannot be accessed by external threats, and therefore protecting data.