Author: Ismail Altas

Your employees are innocent against any vichius cyber attack untill you educate them. In order to hold them responsible with their actions. Here is an internal document example to distribute and prepare your employees for some major phishing attack types and increase your company’s security posture. Introduction In today’s digital world, cyber threats like phishing […]

Using wireshark, let’s do some hands on practice of investigating internet / network trafic. Specifically investigating IPV4 and IPV 6 Header information. I have run my wireshark Version 4.4.2 and immediately I was welcomed with a nice simple panel. The window was divided into two and the one below showd me some continuing heartbeat lines. […]

Incidents will happen. Our role is to prevent it as best as we can but, soon or later a security incident hapens. It is just about time. A question of when not if. When it happens, our role is to keep business running smoothly. Necessary information for business continuity has to be kept in tact […]

Regular Expressions (Regex): A Detailed Explanation and Use Cases for Security Analysts Regular Expressions (Regex) are sequences of characters used for pattern matching within strings. They are a powerful tool for searching, extracting, and manipulating text data, commonly used in security operations for log analysis, detecting malicious patterns, and rule creation. Regex Basics Examples and […]

Wireshark and tcpdump are both powerful network protocol analyzers, but they have distinct characteristics and use cases. Here are the key differences and similarities between them: Differences User Interface Wireshark offers a graphical user interface (GUI), making it more user-friendly and visually intuitive1. tcpdump, on the other hand, is a command-line interface (CLI) tool, which can […]

With the recent series of phone company and internet provider hacks, hackers now have a lot of customer data at their disposal. Using this information in a targeted hack is possible. Although I cannot generalize this type of attack, as a security specialist, I have to consider any attack vectors possible. And this one might […]

The PASTA (Process for Attack Simulation and Threat Analysis) threat modeling framework does not explicitly define a specific set of security controls. Instead, it provides a comprehensive methodology for identifying and analyzing threats, which then informs the selection and implementation of appropriate security controls. However, based on the PASTA methodology, we can identify several categories […]

The Process for Attack Simulation and Threat Analysis (PASTA) is a comprehensive, risk-centric threat modeling framework that consists of seven stages. To illustrate this framework, let’s follow the story of TechGuard, a growing software company developing a new cloud-based financial management application. Stage 1: Define Objectives TechGuard’s leadership gathers to set clear business and security […]

SQL injection is a cybersecurity vulnerability where attackers insert malicious SQL code into application inputs to manipulate or access database information. Let’s explore the types of SQL injections and prevention methods, then illustrate these concepts through a story set in medieval Japan. Types of SQL Injection Prevention Methods The Tale of the Ninja and the […]