• 한국어
  • English
  • Skip to content

    헤이든의 전산실 (Hayden's Server Room)

    IT(금융IT/보안), 중국어, 영어와 관련된 모든 궁금증! / All About IT (FinTech & Security), Your Ultimate Guide!

    • [HOME]
    • [Whomi]
    • [IT/Reg-Tech]
      • Project
      • Tech-Trends
      • AI
      • Infrastructure
        • Platform
        • Server
        • O/S
          • Linux
          • Windows
        • Cloud
        • VMWare
      • Coding
        • Framework
      • DB
        • MS-Sql
        • Oracle
      • Network
      • Security
      • IT Compliance
      • Fin-Tech
      • ETCs
        • WordPress
    • [Studying Chinese]

    Category: Security

    CDN Comparison 2026: Cloudflare, AWS, Akamai, Fastly, Google CDN

    2026년 01월 30일 HaydenLeave a Comment on CDN Comparison 2026: Cloudflare, AWS, Akamai, Fastly, Google CDN

    “Why is my website so slow for international visitors?” If you’ve ever run a website with global traffic, you’ve probably […]

    Cloud, IT/Reg-Tech, Network, Platform, Security Akamai, AWS CloudFront, CDN comparison, Cloudflare, Fastly, Google Cloud CDN

    Software Supply Chain Security: SBOM, VDR, VEX

    2026년 01월 13일2026년 01월 13일 HaydenLeave a Comment on Software Supply Chain Security: SBOM, VDR, VEX

    Software supply chain security has become a critical concern for financial institutions and public sector organizations worldwide. Following the 2020 […]

    Fin-Tech, Project, Security CycloneDX, SBOM, Software Supply Chain Security, SPDX, VDR, VEX

    Password Hashing Algorithm Comparison : bcrypt vs Argon2 vs scrypt

    2025년 12월 05일 HaydenLeave a Comment on Password Hashing Algorithm Comparison : bcrypt vs Argon2 vs scrypt

    Still using MD5 or SHA-256 to store passwords in your database? Modern GPUs can compute over 180 billion MD5 hashes […]

    Security argon2, bcrypt, hashing algorithm, password hashing, scrypt

    MySQL/MariaDB Replication: A Guide from Setup to Disaster Recovery

    2025년 11월 29일 HaydenLeave a Comment on MySQL/MariaDB Replication: A Guide from Setup to Disaster Recovery

    If you’ve ever managed a database in production, you’ve probably asked yourself: “What happens if this server goes down?” The […]

    DB, Security Backup Replication, Database, MariaDB, MySQL, Replication

    The Complete Guide to DR Drill(Disaster Recovery): Checklists and Scenario

    2025년 11월 28일 HaydenLeave a Comment on The Complete Guide to DR Drill(Disaster Recovery): Checklists and Scenario

    If you’ve ever managed IT infrastructure, you’ve probably had that nagging thought: “What happens if the data center goes down […]

    IT Compliance, Security BCP, Business Continuity, Disaster Recovery, DR Drill, RPO, RTO

    The Complete Guide to RTO/RPO – Designing the Right BCP/DR Strategy for Your Organization

    2025년 11월 27일 HaydenLeave a Comment on The Complete Guide to RTO/RPO – Designing the Right BCP/DR Strategy for Your Organization

    In this post, I’m going to dive into the topic “The Complete Guide to RTO/RPO – Designing the Right BCP/DR […]

    IT Compliance, Security BCP, BIA, business continuity planning, disaster recovery planning, DR, RPO, RTO

    The Complete Guide to Active Directory GPO Design: 15 Best Practices

    2025년 11월 27일2025년 11월 27일 HaydenLeave a Comment on The Complete Guide to Active Directory GPO Design: 15 Best Practices

    If you manage a Windows Server environment, Group Policy is one of those tools you simply can’t avoid. Manually configuring […]

    O/S, Security, Windows Active Directory, AD GPO, GPO design, GPO policy

    Dell PowerSwitch EOS/EOL Complete Guide : Model-by-Model Timeline

    2025년 11월 26일 HaydenLeave a Comment on Dell PowerSwitch EOS/EOL Complete Guide : Model-by-Model Timeline

    If you’re managing data center network infrastructure, knowing the support lifecycle of your switch equipment isn’t optional—it’s essential. For those […]

    Network, Security Dell PowerSwitch, EOL, EOS, EOSL, EoSS

    Extreme Networks Product EOS/EOL Complete Guide – 2025 Updated

    2025년 11월 26일2025년 11월 26일 HaydenLeave a Comment on Extreme Networks Product EOS/EOL Complete Guide – 2025 Updated

    Every IT administrator eventually faces the dreaded End-of-Life announcement. When core network infrastructure hits EOS/EOL, it creates real planning challenges. […]

    Network, Security End of Support, EOL, EOS, EOSL, Extreme Networks, version support policy

    ‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies

    2025년 11월 12일 HaydenLeave a Comment on ‘Apache Kafka’ Version Support Lifecycle : EOL/EOS Policies

    If you’re running Apache Kafka in production, you’ve probably wondered: “How long will my current version be supported?” With Kafka […]

    Coding, ETCs, Platform, Security Apache Kafka, EOL, EOS, Kafka, Kafka versions

    ‘R’ Language Version Support Lifecycle(EOL/EOS)

    2025년 11월 06일 HaydenLeave a Comment on ‘R’ Language Version Support Lifecycle(EOL/EOS)

    If you work with data analysis, you’ve probably wondered at some point: “Which R version should I use?” This question […]

    Coding, Framework, Security data analysis, EOL, EOS, R, R programming, R updates, R version, version support policy

    ‘ClickHouse’ Version Support Policy – LTS/EOL Schedules(EOS)

    2025년 11월 06일 HaydenLeave a Comment on ‘ClickHouse’ Version Support Policy – LTS/EOL Schedules(EOS)

    ClickHouse has been gaining significant traction in the real-time analytics database market. With its exceptional query performance and columnar storage […]

    DB, Platform, Security ClickHouse, EOL, EOS, LTS, version support policy

    Posts navigation

    Older posts

    Language Switcher

    Categories

    • Chinese (2)
    • IT/Reg-Tech (250)
      • AI (16)
      • Coding (73)
        • Framework (16)
      • DB (29)
        • MS-Sql (1)
        • Oracle (4)
      • ETCs (12)
      • Fin-Tech (4)
      • Infrastructure (165)
        • Cloud (11)
        • O/S (44)
          • Linux (11)
          • Windows (32)
        • Platform (88)
        • Server (20)
        • VMWare (20)
      • IT Compliance (3)
      • Network (18)
      • Project (1)
      • Security (93)
      • Tech-Trends (5)
      • WordPress (5)

    Recent Posts

    • Claude Code vs OpenAI Codex: The Complete Comparison (2026)
      The AI coding agent landscape shifted dramatically in 2025. Anthropic’s Claude Code and OpenAI’s relaunched Codex have both moved far beyond autocomplete — they’re… Read more: Claude Code vs OpenAI Codex: The Complete Comparison (2026)
    • SpaceX vs. Rocket Lab: A Complete Breakdown of the Space Race in 2026
      The commercial launch industry is reshaping faster than most people realize. While SpaceX dominates low Earth orbit with Falcon 9, Rocket Lab has quietly… Read more: SpaceX vs. Rocket Lab: A Complete Breakdown of the Space Race in 2026
    • Quantum Computing Compared — IonQ, Rigetti, D-Wave, IBM, Google & Microsoft
      When Google’s Willow chip demonstrated below-threshold error suppression in late 2024, the entire sector lit up. Pure-play stocks like IonQ and Rigetti surged hundreds… Read more: Quantum Computing Compared — IonQ, Rigetti, D-Wave, IBM, Google & Microsoft
    • Intuitive Surgical: da Vinci and Ion — Dominant Force in Robotic Surgery (2026)
        Ask any hospital administrator which company owns robotic surgery, and you’ll get the same answer every time: Intuitive Surgical (NASDAQ: ISRG). Since earning… Read more: Intuitive Surgical: da Vinci and Ion — Dominant Force in Robotic Surgery (2026)
    • Why HBM Stocks Are Back in Focus: AI Money Is Moving Beyond NVIDIA and Into Memory
        If NVIDIA is the face of AI semiconductors, the market is now paying close attention to what is quietly rising in value right… Read more: Why HBM Stocks Are Back in Focus: AI Money Is Moving Beyond NVIDIA and Into Memory

    Recent Comments

    No comments to show.

    Archives

    • April 2026
    • March 2026
    • February 2026
    • January 2026
    • December 2025
    • November 2025
    • October 2025
    • September 2025
    • August 2025
    • July 2025
    2026 4월
    월 화 수 목 금 토 일
     12345
    6789101112
    13141516171819
    20212223242526
    27282930  
    « 3월    
    Copyright © 2026 헤이든의 전산실 (Hayden's Server Room) All rights reserved. Theme: Flash by ThemeGrill. Powered by WordPress