WHAT IS NETWORK SECURITY?
Network security is a measures that are taken to protect the data and functioning of a network from any suspicious accessibility through software or hardware strategies in a time of hackers and cyber attacks.
A system network has many layers and portions and network security can be breached from any level of system. A conscious effort is required to protect the network from leaking at every layer. These network security preventive measures can be manual or automatic. A manual network security requires a 24/7 physical and administrative check on the system. It may require the persons working in shifts to ensure the data protection from stealing.
An automatic network security check detect and alarm any intervention in network from hardware and software. It works more efficiently and also control many cyber attacks.
AIM OF NETWORK SECURITY AND INTERNET
1. Security of Network. The aim of Network security measures is to secure the computer system/storage media containing official files, programs, oracle databases and its precious data from unauthorized disclosure.
Network security should be viewed as taking several steps, each of which gives some level of security, but when used in conjunction with each other as a 'team' can be extremely effective.
- STEPS NEEDED TO BE TAKEN TO ENSURE NETWORK SECURITY
f. Do NOT connect any personal hardware to network computer.
g. If file sharing is required, contact IT & MIS department. Files will be shared inter departmental through restricted folder.
h. Password protection of word/excel files is not allowed, if password is applied to any important official files/working, it is required to intimate MIS Department with list of such files and password.
j. Notify all suspicious or unusual computer problems to IT & MIS department immediately and follow their instructions.
k. To ensure the computers remain free of viruses USB Drive/CD/DVD is not allowed to be used.
l. Playing of computer games in office is strictly not allowed.
m. In order to increase the lifespan of computers, printers and other computer accessories, it is required that computer and printer should be properly shutdown after working hours/idle time.
n. Service of computer/printer is responsibility of IT & MIS staff, however cleanliness of computer, monitor, keyboard and printer are required to be carry out regularly by the concerned staff operating computer on daily basis.
o. Violation of the computer security measures notified above can lead to withdrawal of the system and appropriate disciplinary action.
2. Internet Security Measures.
Along With the convenience and easy access to information through internet, many potential risks involved while browsing the internet. Computer system connected to the internet is likely to be attacked by computer hackers and hostile agencies. Therefore, all efforts must be made to secure the system and information. The following measures should be strictly adhered to:
a. Do not download software/any executable file from the internet. Simply visiting a compromised website can infect computer with virus, worm, Trojan horse and spyware etc which can be harmful for important data and costly IT infrastructure.
b. Do NOT open unsolicited e-mail/spam e-mail contains file attachments that are commonly used to spread threats (virus, worm and trojan horse etc.) such as .vbs, .bat, .exe, .pif and .scr files.
c. Confidential information/official letters must not be sent through the Internet without prior permission by the Administrator.
d. The use of the internet for a private purpose, personal e-mails, games and group chatting is not allowed on official connections.
e. Any misuse or cause to damage by the user is traceable by IT Department, in case of any such event strict disciplinary action may be taken against the user.