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In this project

ACL in Active Directory: ACE types and control rights

https://sudonull.com/acl-in-active-directory-ace-types-and-control-rights

Breakdown of 22 ACE types, ACCESS_MASK, extended rights and validated writes in AD. For middle/senior developers: inheritance, flags, bypassing checks. Study the security mechanics.

Telegram: notifications about unofficial clients

https://sudonull.com/telegram-notifications-about-unofficial-clients

Telegram will add warnings about unofficial clients in chats. Risk analysis of Telega, Graph Messenger and others. MITM attacks, Firebase, recommendations for Android developers. Learn security details.

Drive detects ransomware: scanning and recovery

https://sudonull.com/drive-detects-ransomware-scanning-and-recovery

Google Drive for PC scans files for ransomware, pauses sync and restores bulk. For IT pros: function details, availability, versions. Update the client and protect your data.

Rspamd 4.0: spam filtering updates

https://sudonull.com/rspamd-4-0-spam-filtering-updates

Rspamd 4.0.0 is out with fuzzy anti-phishing, token balancing, and GPT module. Learn key changes for production deployment. For developers.

From other projects

Quantum Computing vs Bitcoin: Real Risks Explained | 2026 Guide

https://ymaho.com/quantum-computing-vs-bitcoin-real-risks-explained-2026-guide

Cut through quantum computing hype. Learn exactly how it affects Bitcoin security, what's vulnerable, and practical steps to protect your crypto. Stay informed, not scared.

North Korean IT Workers Exposed in Crypto Security Sweep

https://ymaho.com/north-korean-it-workers-exposed-in-crypto-security-sweep

A new security program uncovered 100 hidden North Korean workers inside crypto firms. Learn how the infiltration worked and what it means for your data.

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.

What Is a Crypto Wallet Seed Phrase? Full Guide

https://ymaho.com/what-is-a-crypto-wallet-seed-phrase-full-guide

Learn what is a crypto wallet seed phrase, why it's crucial for self-custody, and how to protect it. Expert guide with security best practices.

Arbitrum freezes $71M in ETH after Kelp hack

https://ymaho.com/arbitrum-freezes-71m-in-eth-after-kelp-hack

Arbitrum Security Council freezes 30,766 ETH stolen in Kelp protocol hack. Learn how this affected the market and why it matters for DeFi users.

From the web

What Is IT Security? - Information Technology Security - Cisco

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

IT security is a set of cybersecurity strategies that prevents unauthorized access to organizational assets such as computers, …

What is IT Security? | IBM

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

IT security, which is short for information technology security, is the practice of protecting an organization’s IT assets—computer …

What is IT Security? Information Technology Security | CrowdStrike

https://www.crowdstrike.com/en-us/cybersecurity-101/cybersecurity/it-security/

IT security is the overarching term used to describe the collective strategies, methods, solutions and tools used to protect the …

What Is Cybersecurity? | IBM

https://www.ibm.com/think/topics/cybersecurity

IBM's definition of cybersecurity. Learn how modern threats evolve with technology, stay ahead with trends and access the latest …

Computer security - Wikipedia

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

Toggle Vulnerabilities and attacks subsection. 1.1Backdoor. 1.2Denial-of-service attack. 1.3Physical access attacks. …

IT Security Explained - How to Safeguard Your Organization | Fortinet

https://www.fortinet.com/resources/cyberglossary/it-security

Protect the business from cyber threats with essential IT security strategies. Learn how to safeguard data, prevent breaches, and stay …

What Is IT Security? | Microsoft Security

https://www.microsoft.com/en-us/security/business/security-101/what-is-it-security?msockid=2531d5b287f06d813eedc27f86c86cd6

IT security protects systems, data, and people to keep your organization running with continuity, privacy, and trust. A layered …

What Is IT Security? Types, Threats, Tools & Best Practices

https://www.tailwindvoiceanddata.com/blog/what-is-it-security-definition-dangers-solutions

May 28, 2025 · IT security – short for information technology security – refers to the strategies, tools, and policies used to protect …

What Is IT Security? | Built In

https://builtin.com/articles/it-security

Aug 19, 2025 · IT security is a series of security concepts, tools and practices that are utilized to mitigate threats and safeguard data …

What is IT Security? - Check Point Software

https://www.checkpoint.com/cyber-hub/cyber-security/what-is-it-security/

IT security is focused on protecting these computers, networks, and other digital systems against cyberattacks and other threats.

What is IT Security? - Definition & measures against cyber crime

https://www.hornetsecurity.com/en/knowledge-base/it-security/

What is IT Security? IT security is the protection of information and especially the processing of information. IT security is intended to …

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