LO1 - Information flow

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Log Review

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Describe the test and purpose of the test Log analysis is the term used for analysis of computer-generated records for helping organizations, businesses or networks in proactively and reactively mitigating different risks.  Log analysis helps in reducing problem diagnosis, resolution time and in effective management of applications and infrastructure. Checking all the log to find if there ordinary problem Discuss how it works Logs are usually created by network devices, applications, operating systems, and programmable or smart devices. They comprise of several messages that are chronologically arranged and stored on a disk, in files, or in an application like a log collector. Provide example Discuss the solution of there is vulnerability after a test If there is 
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Network security devices

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Network security devices 1.     Firewall 2.     Network router 3.     Virtual private network gateways 4.     Network access control (NAC) 5.     Proxy server 6.     Spam filter 7.     Anti virus 8.     Secure modems 9.     Intrusion detection system(IDS) 10.   Intrusion prevention system (IPS) 11.   Wireless intrusion prevention and detection system (WIDPS) 12.   Unified threat management (UTM) Explain 3 1.     Virtual private network gateways VPN is a programming that creates encrypted and safe connection over the public internet. It usually used the internet to connect remote user or sites together.   VPN is using protocol tunnel to encrypting data at the sending and decrypting it at the receiving. Virtual private network (VPN) tunnel creates point to point connection so that...
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Security breaches

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Phishing      - Email or phone calls that seem official to gain access or personal information is called phishing    -They frequently take the guise of known, credible entities – such as a person’s bank    To prevent phishing is by deploying a web filter to block any malicious website and keep all the system with a latest security updates           Ransom ware -         -   Hacker gains control of the company system and locks it from use -         - A ransom ware note is left within the virus -          - The company or user is extorted to pay money To prevent ransom ware is by backup your system and install anti malware software       
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