Difference Between Network Firewall and Web Application Firewall
A Network Firewall acts as a security barrier between a trusted network, such as the local network (LAN), and an untrusted network, such as the Internet. A >Web Application Firewall (WAF) monitors and allows or blocks data packets as they travel to and from a Web application. More ...
Multi-Layered Approach to Cyber Security
A multi-layered approach can be tailored to different levels of security. Not every asset needs to be completely secure; instead, only the most business critical assets, such as proprietary and confidential information, need be protected by the most restricted settings. More ...
Public Key Infrastructure
PKI (Public Key Infrastructure) uses a public and private key pair obtained and shared through a trusted authority. Public and private keys are used to lock (encrypt) and unlock (decrypt) data. Certificates are the cornerstones of the PKI. More ...
Understanding the Different Classes of Firewalls
A firewall is able to achieve its functions through the capabilities it is able to provide. These are the capabilities determine the type of firewall to needed to meet a certain and specific set of security needs. More ...
How a Firewall Provides Network Security
A firewall provides security by controlling access between a network and an untrusted network. A firewall can be a hardware device, software, or combination of hardware and software. More ...
How to Stop Hackers from Invading Your Network
Large corporations, banks, financial institutions, security establishments are particularly favorite targets for hackers. However, this menace can be prevented to a great extent if proper security measures are taken. More ...
Top Ways to Prevent Data Loss
Data loss is crippling for any business, especially in the age of big data where companies rely on digital information to refine their marketing, contact prospects, and process transactions. The first goal should be to prevent data loss from occurring in the first place. More ...
Security Issues with Wireless LANs
Wireless LAN (WLAN) security threats include war dialing, war driving, war chalking, WEP and WPA security cracking, and rogue access points. This artilce discuses approaches to WLAN Security. More ...
What is a SQL Injection Attack?
SQL injection can be used by an attacker to inject code into a website in order to access and manipulate the database behind the site. More ...
Avoid Hacks by Rogue Wireless Devices
Watch out for hacking from unauthorized routers and wireless clients that are attached to your network. By using NetStumbler or your client manager software, you can test for access points (APs) and ad-hoc devices that don't belong on your network. More ...
Network Security Model - Defining an Enterprise Security Strategy
These are the five primary security groups that should be considered with any enterprise security model. These include security policy, perimeter, network, transaction and monitoring security. These are all part of any effective company security strategy. More ...
Data Encryption
There are two kinds of key encryption: private key and public key. In private key encryption a single key is used. Public key encryption uses two keys. One key, called the private key can only be used to decrypt a document. The other key, called the public key, can only encrypt a document. More ...
What Roles Do Firewalls and Proxy Servers Play in Network Security?
A firewall can detect specific application protocol content and filter out any applications that exhibits certain characteristics. A proxy server sits between hosts and server that filters requests by checking IP Addresses, Protocol and application content. More ...
