Handling Rogue Access Points
A Rogue access point is any wireless access points that exist on your network without the consent of the business. If an insider were to use a laptop to act as an access point, regardless of the intent, it poses a security risk. More ...
Network Security by Filtering
Filtering allows network administrators to control which packets are permitted or denied in or out of a network. It can be used to control how much bandwidth can be used by parts of a network, but is more often used to provide security for a network. More ...
How to Tell if Someone is Lurking on Your Wireless Network
Have you ever wondered if someone else is on your wireless network, with out your knowledge, watching every site you visit or stealing account information? More ...
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 ...
Firewall Rules
The purpose of a network firewall is to protect computer and IT resources from malicious sources while allowing internal network users to access the Internet. For this purpose it uses an Access Control List (ACL). More ...
How Snort's Stealth TCP Port Scanning Works
Snort is an open source network intrusion detection system, capable of performing real-time traffic analysis and packet logging on IP networks. It can perform protocol analysis, content searching and matching, and can be used to detect a variety of attacks and probes. More ...
What is a Password Hash and Salt?
Never store a user's password as plain-text. A Hashing algorithm is similar to encryption. To increase the security of a hashed password, a random value called salt is added to the hash. More ...
Design a Network Security Policy
A security policy is a statement of what your systems' users are and are not allowed to do. Make sure that the policy is consistent and clearly-written. More ...
Digital Signatures and Certificates
The construction of the Digital Signature entails applying a hash function to the message by concatenation of the message with a known secret key and then applying a mathematical function which will produce a fixed length output known as the digest. More ...
Network Security
Network security starts with physical security. Network components such as servers, hubs, and routers should be located in a secure equipment room. Part of physical security is protecting your cable plant from damage and electronic eavesdropping. 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 ...
The Role of Security Penetration Testers
An ethical hacker is a person who performs most of the same activities a hacker does but with the owner or company's permission. Ethical hackers are usually contracted to perform penetration tests or security tests. More ...
Designing Physical Network Security
Network security covers a multitude of issues. The first issue to address is physical access to your network. More ...
