Basics of Network Security

Basics of Network Security

Security can be combination of technology, devices, applications, processes and peoples. Network security is a set of policies or measures to keep the network secure from attacks, threats. Network Security combines several layers of defenses at the network. It helps to protect the information and reputation of every organization. 

Security Solutions now a days;

There are the some common types of network security devices that can help in securing the network against attacks and cyber threats at smaller to large organizations such as;

• Firewall
• IDS (Intrusion Detection System)
• IPS (Intrusion Prevention System)
• UTM (Unified Threat Management)
• Proxy Server
• Web Filter
• Network Load Balancer (NLB)
• Spam Filter
• DDoS Protector
• Ethernet Encryption Device
• SIEM (Security Information and Event Monitoring)

Some Application level security which can also play big role in larger networks are as below;

• Email Security
• Antivirus
• Data Leak Prevention (DLP) 
• SOAR (Security Orchestration, Automation and Response) 
• Vulnerability Assessment and Penetration Testing Tools
• Encryption tools
• Network Scanner
• Traffic Analyzer

Security is a measure priority now a days. 

An administrator needs to implement administrative, physical and technical controls. Everyone plays a role in securing one organization's information and system. It saves the reputation of the Organization.

The attacks are to breach Confidentiality, Integrity and Availability (CIA) of an organization's assets.

CIA are the three pillars of Information Security domain. We will cover this later. 

 

-DR