Detecting Network Sniffers
A packet sniffer is a program or device that eavesdrops on network traffic and gathers data from packets. Malicious intruders may install packet sniffers in order to retrieve usernames and passwords. More ...
Cyber Security Tips for Small and Medium Business (SMB)
When it comes to small or medium enterprise the impact of security threat is even more severe. Cyber criminals love to target small business largely due to the fact that SMBs cannot afford to implement strong security protocols. More ...
Use of Taps and Span Ports in Cyber Intelligence Applications
SPAN stands for Switched Port Analyzer, a dedicated port on a switch that takes a mirrored copy of network traffic from within the switch and sends it to, typically, a monitoring device, or other tool for troubleshooting or traffic analysis. 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 ...
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 ...
Denial of Service Attack (DoS) Detection and Mitigation
A Denial of Service Attack is when a hacker attempts to consume such a large amount of a server's resources that it's services will be unavailable to its intended users. For example a DoS attack against a web server attempts to prevent it from serving web pages to
legitimate Internet clients. More ...
What is a Botnet Attack and How to Identify It?
Attacks against networks are increasing because attackers find many networks are not properly patched and secured behind a firewall. Once attackers have compromised a machine, they simply install a bot on it to establish communication. The botnet is then controlled by the attacker. More ...
How to Secure Your Wireless Network
If you use a wireless network, chances are good it is not secure. If you don't make some important configuration changes on your wireless router after installing it, your wireless network is wide open to hackers, curious neighbors and people who would rather use your broadband internet service instead of buying their own. More ...
What Is Penetration Testing?
Penetration testing is one of the hottest up and coming skills any IT professional needs to have. Companies are actively looking for penetration testers and professionals with a background in IT security and the ability to do penetration testing. More ...
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 ...
NMAP (Network Mapper) Port Scanner
When hackers attempt to gain unauthorized access to a computer on the Internet the first things they do is look for open ports. NMAP is a free and open source port scanner that hackers can use to automate the process of finding open ports to attack. More ...
Network Security Across the Enterprise
Today's business networks consist of numerous remote access connections from employees and outsourcing firms. Often, the security risks from connections outside the network are overlooked. The proper security solution for your organization will neutralize virtually all of these threats to your network. More ...
How to Use the Open Source Intrusion Detection System SNORT
In terms of raw power and features, SNORT, the most commonly used Open Source Intrusion Detection System, (IDS) has begun to eclipse many expensive proprietary IDSes. In terms of documentation or ease of use, however, SNORT can seem overwhelming. More ...
