Menu
Computer Network Security

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 ...

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 ...

Network User Authentication
Some switches require users to authenticate themselves before gaining access to the rest of the network. Network Access Control (NAC) checks the characteristics of the device seeking admission to the network. 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 ...

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 ...

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 ...

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 ...

Essentials of Endpoint Device Backup
With the proliferation of data on laptops and mobile devices, organizations need to maintain control of how data is being accessed, shared, and distributed. Endpoint backup solutions should encrypt data in transit and in store to prevent unauthorized viewing of sensitive corporate data. 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 ...

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 ...

Are You Meeting ISO 27000 Standards for Information Security Management?
The ISO 27000 standard developed by The (IEC) and (ISO) is an internationally accepted industry standard for Information Security Management (ISM). 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 ...

What is Penetration Testing?
This book serves as an introduction to the steps required to complete a penetration test or perform an ethical hack. You learn how to properly utilize and interpret the results of modern day hacking tools; which are required to complete a penetration test. More ...


Learn more at amazon.com

Custom Search