Category: Network Security

Read about how security administrators protect their networks .

PenTest Edition: Assessing WEP, WPS, WPA, and WPA2 Wi-Fi Networks with the “Fern Wi-Fi Cracker” Tool

Here's a fun assessment you can perform on your home network. I'm running Kali Linux 2018.1 in a virtual machine using VMware Workstation Player. My wireless network adapter is an Alfa AWUS036NHA with a 9dBi omni-directional antenna. Penetration testers may use the Fern Wi-Fi cracker as a security auditing tool to test the security of ...

Identifying Network-Related Symptoms of Cyberattacks

Let's assume you have the architecture of your network already established, but you'd like to able to detect any signs of malicious traffic traversing in and out of your network. One of the things your might want to consider is placing sensors in strategic locations of your network. Intrusion Detection Systems (IDSs) and Intrusion Prevention ...

DoS and DDoS Attacks: How They’re Executed, Detected, and Prevented

A DoS and a DDoS...What's the difference? A "Denial of Service," or "DoS" attack, is a category of advanced cyberattack in which a single malicious user denies legitimate users access to a service by blocking or exhausting the resources of a victim system. The DoS is commonly carried out through some form of flooding mechanism, ...

Breaking HTTPS with a Proxy

I have previously discussed other ways to decrpyt HTTPS traffic, such as sslstrip and key logging, but let's discuss another way. When you link to a Web site, you're hopefully using HTTPS and not HTTP. Our Web traffic used to be encrypted using Netscape's "Secure Sockets Layer version 3 (SSLv3)"; however, due to some inherent ...

Tips for Securing Your Network

Before I begin, let's address two obvious questions. Number one, what kind of network are we talking about here? I'm referring to a large or enterprise network. However, you can implement some of these security solutions on your home or SOHO network. Well, maybe you wouldn't want a network access enterprise server at your home. ...