denizhalil

Cyber Security / Red Team

What Is Buffer Overflow Security: Causes and Prevention

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Buffer Overflow Security: Causes and Prevention

Introduction In the ever-evolving landscape of cybersecurity, buffer overflow attacks remain one of the most enduring and dangerous threats. These attacks exploit vulnerabilities in software to overwrite memory locations, potentially leading to arbitrary code execution, system crashes, or unauthorized access. Despite their long history, buffer overflow vulnerabilities continue to be prevalent, primarily due to programming errors and inadequate input validation. This article delves into

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Cryptology

What is PKI (Public Key Infrastructure)?

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What is Public Key Infrastructure PKI The Foundation of Digital Security

Introduction In the digital age, secure communication and data protection have become more critical than ever. Especially with transactions and data exchanges conducted over the internet, there are various risks related to security breaches and data violations. To manage these risks and ensure data security, the Public Key Infrastructure (PKI) system is one of the fundamental pillars of digital security. PKI enhances data

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Cyber Security / IT certificates / Network Security

Cisco Certifications: Roadmap to Enhancing Your Career

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Cisco Certifications: Roadmap to Enhancing Your Career

Introduction In today’s rapidly advancing technology landscape, the demand for network and communication systems experts is on the rise. Professionals looking to build a career in this field can gain a competitive edge and showcase their knowledge and skills by pursuing certifications. Cisco, a globally recognized and trusted brand, offers certifications that provide individuals with the necessary knowledge and competencies

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Cyber Security / Network Security

What is DNS Lookup? and Examples of the nslookup Command

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What is DNS Lookup and Examples of the nslookup Command

Introduction One of the fundamental building blocks of the internet is the Domain Name System (DNS), which plays a critical role in simplifying our access to websites. DNS translates domain names into IP addresses, facilitating communication between humans and computers. This technology, which we use daily, ensures seamless browsing on the internet. In this article, we will explore what DNS lookup is, how it works, and

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Programming

What is Programming?

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Introduction Programming refers to the process of giving instructions to a computer to perform specific tasks. These instructions are written in a language that the computer can understand and are fundamental to the operation of software applications, games, websites, and many other technological products. Programming is a cornerstone of modern technology and drives many of

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Phishing Attacks

The Primary Goal of Phishing Attacks and Protection Methods

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Phishing Attack Protection: Understanding Goals, Methods, and Prevention Strategies

Introduction In the world of cybersecurity, one of the most common and dangerous attack methods is phishing. These attacks rely on manipulation techniques used by fraudsters to steal people’s personal information. Often, phishing involves impersonating a trusted organization or individual to deceive victims and obtain sensitive data. This article will discuss the primary goal of phishing attacks, commonly used methods, and ways

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Phishing Attacks

What is Tailgating Attack and Protect Against Physical Threats

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What is Tailgating in Cybersecurity? Protecting Against Physical Security Threats

Introduction Cybersecurity is not limited to managing digital threats and risks; it also encompasses physical security. Tailgating is one of the physical security vulnerabilities that can pose significant risks, especially in high-security areas. Tailgating occurs when an unauthorized person gains entry into a secured area by following closely behind an authorized individual. This type of attack often exploits overlooked security

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Cyber Security

National Security Innovation Network (NSIN)

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Introduction: National security is one of the most critical responsibilities of any nation, ensuring the preservation of independence, integrity, and prosperity. However, the rapid advancement of technology and the diversification of threats have rendered traditional security strategies insufficient. In this context, innovation and adaptability have become integral components of modern defense strategies. The National Security Innovation Network (NSIN), initiated by the U.S. Department of Defense, is a

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Cyber Security / IT certificates

Beginner-Level Cybersecurity Certifications: Step in Your Career

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Introduction: Cybersecurity has rapidly become a growing and evolving field, driven by increasing threats in the digital world. For those looking to pursue a career in this domain, beginner-level certifications serve as a critical step in acquiring fundamental knowledge and skills. These certifications are recognized by employers and provide individuals with the expertise needed to establish confidence in their

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Cyber Security

What is an Advanced Persistent Threat (APT)?

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Introduction Advanced Persistent Threat (APT) is one of the most significant concerns in the world of cybersecurity. APT attacks are sophisticated, targeted attacks aimed at infiltrating and extracting data from a target organization’s systems over an extended period. In this article, we will explore what APTs are, their impact on cybersecurity, and examine notable examples of APT attacks throughout history. Learning Objectives By

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