Category: Cyber Security

Illustration of social engineering with two silhouetted figures using a phone and laptop, surrounded by social media icons and lock symbols on a circuit-like background.
Cyber Security September 14, 2019

What Is Social Engineering in Cybersecurity? Types, Examples, and Prevention Strategies (2025 Guide)

Social engineering remains one of the most effective tactics in a cybercriminal’s arsenal, accounting for 36% of initial access vectors in incident response cases between May 2024 and May 2025. It’s a psychological manipulation technique where attackers exploit human behavior to gain unauthorized access to information, systems, or physical locations—without relying on code or exploits. […]
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Illustration of browser security threats featuring a globe icon, a masked hacker, and ad symbols on a blue background.
Cyber Security September 14, 2019

Browser Plugins and Poisoning: Risks, Exploits, and Defenses in Cybersecurity

Security backdoors and vulnerabilities can severely impact web browsers, leading to unwanted pop-up ads, collection of personal data, or installation of adware, viruses, or spyware. Cybercriminals often target a browser’s executable files, core components, and browser plugins to gain unauthorized access. Browser Plugins A browser plugin (now often called an extension or add-on in modern […]
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Infographic illustrating vishing, smishing, pharming, and whaling cyber threats with icons of a speaking person, hooked computer, poisoned phone message, and business executive.
Cyber Security September 14, 2019

Vishing, Smishing, Pharming, and Whaling in Cybersecurity: Definitions, Examples, and Prevention Tips

In the ever-evolving landscape of cybersecurity, social engineering attacks like vishing, smishing, pharming, and whaling continue to exploit human vulnerabilities alongside network weaknesses. According to the 2025 Verizon Data Breach Investigations Report, phishing variants account for over 30% of breaches, with vishing and smishing rising due to mobile and VoIP adoption. As a network engineer, […]
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Illustration of phishing scam with hooked email envelope, laptop, credit card, shield, and lock symbolizing cyber threats and security.
Cyber Security September 14, 2019

What Is Phishing? A Comprehensive Guide for Cybersecurity Enthusiasts (Updated 2025)

As discussed in previous articles on network security, phishing remains a low-effort, high-reward tactic for cybercriminals. They send fake emails, text messages, or create authentic-looking websites to steal personal and financial data. This technique, also known as spoofing, involves forging email headers or IP addresses to mimic trusted sources, often evading basic network filters like […]
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Threats to network security illustrated with spyware mask, adware monitor, and scareware warning icons on a dark blue background.
Cyber Security September 13, 2019

Understanding Spyware, Adware, and Scareware: A Cybersecurity Guide for Enthusiasts

In the previous article, I discussed malware, including its types: viruses, worms, ransomware, Trojan horses, logic bombs, back doors, and rootkits. This article dives deeper into additional malware types—spyware, adware, and scareware—focusing on their mechanics, network implications, and real-world impacts. As a network engineer with years of experience in cybersecurity, I’ll emphasize how these threats […]
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Illustration of a smartphone displaying a spam email notification with the title 'Identifying SPAM MAIL'
Cyber Security September 13, 2019

Identifying Spam Mail: A Comprehensive Cybersecurity Guide for 2025

Email remains a universal service for billions worldwide, serving as one of the most popular communication tools. However, its widespread use comes with significant vulnerabilities, making it a prime target for cybercriminals. These unsolicited messages, commonly known as “junk mail” or spam, are predominantly sent by advertisers or malicious actors. Criminals exploit spam to distribute […]
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A graphic titled "Evolution of Malware and Network Defenses" featuring four icons and labels. From left to right: a floppy disk icon labeled "1986 Brain Virus," a worm icon labeled "2003 Network Worms," a brain icon labeled "2024 AI Malware," and a padlock icon labeled "Network Defense." The background is dark with circuit-like patterns.
Cyber Security September 13, 2019

What is Malware and Malicious Software? (Updated 2025)

Updated: October 19, 2025—Includes latest threats and network defenses. Malware, or malicious software, is a program or file designed to disturb computer processes and operations or gain unauthorized entry to the computer system, often via network protocols like RDP or SMB, without the user’s knowledge or permission. Malware has become a common term for all […]
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Infographic on thwarting cybercriminals in 2025 with icons for early warning systems, vulnerability databases, sharing cyber intelligence, ISM standards, and new laws and regulations.
Cyber Security September 12, 2019

Thwarting Cybercriminals: Master Key Measures and Strategies for Cybersecurity Enthusiasts in 2025

As a cybersecurity and networking expert with extensive experience in securing enterprise environments, I’ve seen firsthand how cybercriminals evolve their tactics. Thwarting cybercriminals isn’t easy, but companies, governments, and organizations are taking proactive steps to limit and discourage these threats. In this article, we’ll explore key actions and measures, updated for 2025, with practical insights […]
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Infographic of network security showing a hacker targeting WAN/LAN router, users on laptops, and defenses like shield, badge, and firewall bricks
Cyber Security September 12, 2019

Cyber Security Threats and Defenses: A Comprehensive Guide for 2025

Cyber security threats are a growing concern worldwide, escalating with AI and ransomware in 2025. Individuals and organizations rely on networks, making intrusions devastating. Computer networks are necessary for everyday activities, and both individuals and organizations depend on their computers and networks. Intrusion to these computers by an illegal person can result in a network […]
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CCNA August 18, 2019

What is VLAN Attacks – Brief Explanation

In the previous article, I explained how trunks work. By default, trunk ports can use all VLANs and pass traffic for multiple VLANs across the same physical link between switches. The VLAN simplifies network administration and maintenance. It also improves the performance of the network, but it has some backhaul for hackers which is necessary […]
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