Gary’s Blog

  • Tools in You Cybersecurity Toolkit
    Your cybersecurity toolkit contains various types of tools designed for different purposes. These can be broadly categorized as follows: Additionally, your toolkit includes general-purpose command-line/IP utilities such as netstat, ping, traceroute/tracert, ipconfig/ifconfig, and nslookup/dig for network diagnostics and information gathering, as well as tools like for cryptographic operations.
  • Passive Footprinting
    Another blog post for network security students In the world of cybersecurity, reconnaissance is key. Both attackers and defenders engage in information gathering to understand their target or environment. One crucial aspect of this is footprinting, the process of collecting information about an organization and its systems. Within footprinting, a distinction is often made between Read More
  • t-Tests
    A t-test is a fundamental statistical analysis, often employed in hypothesis testing, to determine if there is a statistically significant difference between the means of two groups. The sources indicate that it is a staple analysis frequently used in data analysis due to its utility and relative simplicity. There are primarily three types of t-tests: Read More
  • Type I and Type II Errors
    another post for students in data analytics In the world of data analysis, especially when we delve into hypothesis testing, our goal is to draw meaningful conclusions from data to answer specific questions. We formulate hypotheses and use statistical tests to determine whether there’s enough evidence to support them. However, the nature of statistical inference Read More
  • Confidence Intervals
    a post for students in data analytics In the realm of data analysis, we often work with samples to understand larger populations. But how confident can we be that our sample accurately reflects the whole? This is where confidence intervals come into play. A confidence interval provides a range of values that is likely to Read More
  • Z-scores
    One more post for data analysis students Ever wondered how a single data point stacks up against the rest? Or how to compare values from different datasets with varying scales? Enter the z-score, a fundamental concept in statistics that provides a standardized way to understand individual data points within a distribution. Sometimes referred to as Read More