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Category: Computer Security and Networks

Informatic security

Rogue DHCP and Starvation DHCP Attacks

DHCP Attacks: Rogue DHCP and Starvation DHCP

In the world of networks, the integrity of the DHCP (Dynamic Host Configuration Protocol) service is essential for device connectivity. However, two attacks, Rogue DHCP and Starvation DHCP, threaten to undermine this critical service. Here we will explore

What is an Intrusion Prevention System (IPS)

What is an Intrusion Prevention System (IPS)

An Intrusion Prevention System (IPS) is a network security tool designed to identify and prevent potential threats in real time. These threats can include hacker attacks, viruses, worms, unauthorized intrusions, and other types of malicious behavior.

What is an Intrusion Detection System (IDS)

What is an Intrusion Detection System (IDS)

An Intrusion Detection System (IDS) is a security tool that is designed to detect suspicious activity, attacks or violations of security policies on a computer network or system. At the end of

What is the triad in Information Security

What is the triad in Information Security?

The information security triad is a fundamental concept in the field of cybersecurity. Also known as CIA (Confidentiality, Integrity, Availability), it forms the basis of any effective cybersecurity strategy. Going deeper into

Attacks

What is a Worm and how does it spread?

What is a Worm and how does it spread?

A “worm”, or computer worm, is a type of malware that spreads without direct human intervention. Unlike a virus, which requires a host program or document to propagate, a worm self-replicates and spreads through

What is a Botnet

What is a Botnet

A botnet is a network of compromised computing devices that have been infected with malware and controlled remotely by an attacker or “botmaster.” These compromised devices can include personal computers, servers, mobile devices, and even Internet devices.

Spyware and Adware: How to Tell Them Apart

Spyware and Adware: How to Tell Them Apart

Spyware and adware are types of malicious software that are installed on a device without the user's consent with the aim of collecting personal information or displaying unwanted advertisements. At the end of the article you will find a small

Firewall

ICMP filter in a MikroTik Firewall

ICMP filter in a MikroTik Firewall

Internet Control Message Protocol (ICMP) is a network layer protocol used to send control and error messages between devices on a network. ICMP is an important protocol for the operation of

What is a packet filtering firewall

What is a packet filtering firewall?

A key concept to understand is the “packet filtering firewall.” This term may seem a little complicated, but let me simplify it for you. At the end of the article you will find a small test that will allow you to evaluate the knowledge acquired in

Protocols

IPsec: Guaranteeing Security in Digital Communications

One of the essential pillars that support this security is the Internet Security Protocol (IPsec). In this article, we will explore in detail what IPsec is, its history, concepts, benefits, ways of working, advantages and examples of implementations in various

How the TKIP security protocol works

How the TKIP security protocol works

TKIP (Temporal Key Integrity Protocol) is a security protocol developed to overcome the deficiencies of WEP (Wired Equivalent Privacy), the security protocol originally incorporated into the 802.11 wireless network standards. At the end of the article you will find a small

How the WPA1, WPA2 and WPA3 security protocols work

How do WPA1, WPA2 and WPA3 security protocols work?

We will begin our journey through the exciting world of wireless security protocols. Why is this so important? I'll tell you. Every time you connect to a WiFi network, you are using one of these protocols. That's how important

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