As information infrastructure and Internet became
more complex and larger, it also became critical to maintain systems up
and running all the time with respect to security. Though the system
administration tasks became easier in recent years, system
administrators need to be more updated on the systems and network
Security they are managing. In recent years, all systems are exposed to
Internet; there is increased challenge on System Administration/Network
Administration for maintaining and protecting from the attackers.
System Administrators are primarily responsible for
keeping systems/computers/network devices to work smoothly and securely
in any organization. Further they are also responsible for the
continuous operations of the networks and computers to the end users for
their business needs. It is very important to the System
Administrator’s to keep the information as much securing the system and
network devices in the organization.
By following simple practices/standards during their administrative
functions, they can maintain the security of IT devices. The practices
for security also help in reporting security incidents at an early stage
and take corrective measures so that they can safe guard the business.
As part of Awareness, ISEA Phase-II introduces best practices and
guidelines for systems and network devices.
If the System
Administrators are more cautious and follow good practices during
routine administrative tasks. It would be easy to maintain and secure IT
systems and networks in the organization. The system admin should have
their own policy as per the organization policy:
- Because to maintain system intact as per the organization policy
- To give seamless support to the end users
- Every organization must have an overall policy that establishes the direction of the organization and its security mission as well as roles and responsibilities.
- There can also be system specific rules to address the policies for individual systems, network and application security.
- These policies should be included in the employee handbook and uploaded on a company intranet site.
Before keeping the
system and network devices in the work place or in the existing network,
it is very important to follow some of the best system/network
practices
- Harden the Operating System before keeping into the network
- Harden the Integrated OS and its application’s installed
- Have all the network architecture in one place
- Harden the network by using the vulnerability Assessment process for any open ports and any vulnerable applications
- Harden the Servers by running least services which is actually required
- Always have an knowledge update on the security loopholes of the systems and networks
- Always provide the physical security to the internetworking devices attached to the network
- Always Document the systems/Networks configuration’s and whenever any changes happen
- Monitor Your Systems Periodically by downloading the system/network logs
- System Administrator and Network Admin need to educate users and help-desk personnel about basic security issues and practices to follow
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