A quick Saturday digest of cybersecurity news articles from other sources.Here’s chart of the top-level DNS domain names. Originally there were only COM, ORG, GOV, MIL and NET. Check out this comprehensive article on TLDs in Wikipedia
There are also 308 delegated ccTLDs. These ...
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In a local area network for a typical business network, the DNS resolvers that would be the first used by computers on the network would be placed behind a firewall inside the LAN, or in a DMZ. If necessary, DNS resolution would be passed up the hierarchy until a server is found that has the answer.
Back on April 13 I received another comment for my most frequently visited web page “New Insights for the CASP+ CAS-004 Exam.” The comment is so good that I had to publish it as a separate post.
By William Maclendon Howard
Passed on my first attempt three days ago……. somehow. Even after accidentally skipping the ...
Continue Reading →A quick Saturday digest of cybersecurity news articles from other sources.04/21/2023 12:30 PM EDT
Today, CISA released two community-drafted documents around Software Bill of Materials (SBOM): Types of SBOM documents and Minimum Requirements for Vulnerability Exploitability eXchange ...
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I recently read a couple of questions on Reddit about knowing if you are prepared for the certification exam. I wrote the following responses. The first question is from a tester who failed the 220-1101 exam for A+
Posted by u/Character_Writing825
I studied the material 3 months Finally took the exam today and I ...
Continue Reading →A quick Saturday digest of cybersecurity news articles from other sources.New research from Kaspersky focuses on the types of malicious services provided by cybercriminals on the dark web. They found that Google Play threats and Android phone infections are ...
Continue Reading →A quick Saturday digest of cybersecurity news articles from other sources.I finally figured it out. For those who are having a hard time trying to figure out the network, first/last host, broadcast, next subnet, and number of addresses in a subnet, ...
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By Bob Weiss and ChatGPT
Learning about networking protocols, and their importance and uses in the communications between two computers across some sort of network media, is at the center of many IT and cybersecurity certifications. The goal of this article is to provide a list of networking protocols that you need to know for your exam and for a future career in ...
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By Bob Weiss and Google Bard
Many of the certification classes that I teach are requiring a deeper understand of Linux, especially Linux commands at the terminal window. As a cybersecurity certification instructor, I know that understanding Linux commands in the terminal window is essential for anyone who wants to work in this field.
The command line is a powerful tool that can be used to perform a variety of tasks, from ...
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URL (%) Percent Encoding , Base64 Encoding, and SQL InjectionBy Bob Weiss
As we discussed in our first two articles, many of the cybersecurity certifications that I teach have content that involves the uses of encoding, code injection, directory transversal, and scripting. These concepts can be difficult to grasp, and the exam questions can be challenging to ...
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