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Showing posts from June, 2023

Unmasking the Threat: Understanding Social Engineering in Cyber Security

 In today's interconnected world, where technology permeates every aspect of our lives, the need for robust cybersecurity measures has never been greater. While technological advancements have fortified our digital defenses against external threats, one persistent vulnerability remains: human psychology. Cyber attackers have long recognized the value of exploiting human weakness, and that's where social engineering comes into play. In this article, we delve into the realm of social engineering, exploring its various forms, techniques employed, and strategies to protect ourselves from this insidious threat. What is Social Engineering? Social engineering refers to the art of manipulating people into divulging sensitive information, performing actions, or compromising their security defenses. It relies on exploiting human emotions, trust, and cognitive biases to deceive individuals and gain unauthorized access to systems, data, or resources. Unlike traditional hacking methods that

PROTECTORS OF YOUR NETWORK: FIREWALLS

Today I want to share a story with you. A medium-sized company with an internal network that is connected to the Internet. The company wants to protect its internal resources, such as servers and workstations, from unauthorized access and potential threats from the Internet. To achieve this, the company implements a firewall solution at its network perimeter. The firewall is a hardware device or software application that sits between the internal network and the Internet. It acts as a gateway, controlling the traffic flowing in and out of the internal network.   Here's how the firewall would be configured and applied: By implementing a firewall in this scenario, the company can effectively control incoming and outgoing network traffic, prevent unauthorized access, filter out potentially harmful traffic, and enhance the overall security posture of its network.   The term "firewall" originated from the physical structure that separates different sections of a building or a

INTERNET PROTOCOLS: IPv4 vs IPv6

Internet protocols define the format, structure, and behavior of data packets as they travel from source to destination. These protocols refer to a set of rules and standards that govern how data is transmitted, routed, and received across computer networks, specifically the Internet. Some of the major internet protocols are: Transmission Control Protocol (TCP) User Datagram Protocol (UDP) Hypertext Transfer Protocol (HTTP) File Transfer Protocol (FTP) Simple Mail Transfer Protocol (SMTP) Domain Name System (DNS) Secure Shell (SSH) 192.168.0.1 This IP address belongs to the private IP address range commonly used in home and small office In a typical home network setup, this IP address might be assigned to the router, allowing devices It's worth noting that IPv4 addresses are becoming increasingly scarce due to the exponential growth of Leading Zero Compression: IPv6 allows the omission of leading zeros within each group. This Note: Double colon compression can only be applied once

Safeguard Your Online World: Master the Art of Foiling Phishing Attacks

Phishing is a type of cyber attack where an attacker poses as a trustworthy entity to deceive individuals into revealing sensitive information such as usernames, passwords, credit card details, or other personal information. These attacks are typically carried out through fraudulent emails, instant messages, or websites that appear to be legitimate. To protect yourself from phishing attacks, here are some important steps to follow: 1. Be cautious with emails and messages: Be skeptical of emails or messages asking you to provide personal information, especially if they contain urgent or alarming requests. Avoid clicking on suspicious links or downloading attachments from unknown sources. 2. Verify the source: Before providing any personal or financial information, double-check the legitimacy of the sender. Look for signs of a legitimate organization, such as a professional email address and proper branding. However, keep in mind that attackers can also spoof email addresses to make t