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In this project

nftables guide: setting up firewall in Debian

https://sudonull.com/nftables-guide-setting-up-firewall-in-debian

Learn to configure nftables for server protection and network segmentation. Practical rule examples, threat models, testbeds. For sysadmin middle/senior — deploy in 30 min.

Nmap 7.99: NSE and Npcap updates

https://sudonull.com/nmap-7-99-nse-and-npcap-updates

Explore key changes in Nmap 7.99: updated libraries, VPN support, improved NSE script. Suitable for network audits. Download and test.

From other projects

Bitcoin mining centralization: threat or a new stage?

https://ymaho.com/bitcoin-mining-centralization-threat-or-a-new-stage

How BTC mining has become the business of giants and why it matters even for those who don't mine. Learn how this affects network security.

How Governance Tokens Like CFG Run Decentralized Networks

https://ymaho.com/how-governance-tokens-like-cfg-run-decentralized-networks

Learn how tokens like CFG combine voting, security, and rewards to manage a decentralized finance network without a central boss. Understand the mechanics simply.

Crypto Tokenomics Explained Simply | Key Concepts

https://ymaho.com/crypto-tokenomics-explained-simply-key-concepts

Learn how crypto tokenomics works with real examples. Discover why token design matters for security, fees, and network health. Essential reading for beginners.

DeFi Risk Management Exit: What It Means for Lending

https://ymaho.com/defi-risk-management-exit-what-it-means-for-lending

A core risk team left a major lending network. Learn why funding gaps in decentralized finance matter and how it affects platform safety.

Volo Hack: $3.5M Loss and User Compensation

https://ymaho.com/volo-hack-3-5m-loss-and-user-compensation

Crypto protocol Volo lost $3.5M due to an attack on three vaults. The team promises full compensation. Learn details and context.

OPG Token Explained: Powering Decentralized AI Simply

https://ymaho.com/opg-token-explained-powering-decentralized-ai-simply

Discover how OPG tokens enable decentralized AI networks through payments, security, and governance. Understand real-world value without crypto jargon.

Hyperbridge Hack: $2.5M Crypto Bridge Exploit Explained

https://ymaho.com/hyperbridge-hack-2-5m-crypto-bridge-exploit-explained

A crypto bridge hack caused $2.5M in losses across four networks. Learn how the exploit happened, where the funds went, and what it means for users.

From the web

What is network security? - Cisco

https://www.cisco.com/site/us/en/learn/topics/security/what-is-network-security.html

Network security combines policies and technologies to protect systems and digital assets from unauthorized access, misuse, and …

Network Security - GeeksforGeeks

https://www.geeksforgeeks.org/computer-networks/network-security/

Apr 20, 2026 · Network security protects networks and the data they carry from unauthorized access, misuse, and cyberattacks. It …

What Is Network Security? | Microsoft Security

https://www.microsoft.com/en-us/security/business/security-101/what-is-network-security?msockid=23c3896a50ec60f83d1b9ec8516c6166

Dec 16, 2025 · Network security refers to solutions, tools, and best practices that protect the integrity, confidentiality, and availability …

What Is Network Security? Definition and Types | Fortinet

https://www.fortinet.com/resources/cyberglossary/what-is-network-security

Network security protects organizations' data, employees, and customers from various attacks. Discover the types of network security …

What is network security? Definition and best practices

https://www.techtarget.com/searchnetworking/definition/network-security

Aug 28, 2025 · Network security encompasses all the steps taken to protect the integrity of a computer network and the data within it. …

What is Network Security? - Network Security Explained - AWS

https://aws.amazon.com/what-is/network-security/

Network security is the technology, policies, and processes used to protect an organization's data, workloads, and cloud …

Network Security Explained: Types, Threats, and Best Practices

https://www.signisys.com/learn/network-security/

This guide covers how network security works, the core types of defenses, common threats, and a practical plan for building effective …

Network Security - Cisco

https://www.cisco.com/site/us/en/products/security/network-security/index.html

Gain visibility and control over encrypted traffic, prevent unprecedented attacks, and respond to threats across networks, clouds, …

Network security - Wikipedia

https://en.wikipedia.org/wiki/Network_security

Network security is an umbrella term to describe security controls, policies, processes and practices adopted to prevent, detect and …

What is network security? - IBM

https://www.ibm.com/think/topics/network-security

What is network security? Network security is a field of cybersecurity that’s focused on protecting computer networks and …

How Network Security Management Strengthens Enterprise Security …

https://www.fortinet.com/resources/cyberglossary/network-security-management

Network security management protects data integrity, confidentiality, and availability by defending the network against threats. It …

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