本内容遵循CC 4.0 BY-SA版权协议 本文深入分析MySQL 8.0中联合索引查询变慢的三大核心原因：最左前缀断裂、隐式类型转换、非覆盖索引导致的回表开销。通过EXPLAIN与性能计数器验证扫描行数与 ...

Mimikatz, PowerShell и механизмы Windows стали частью автоматизированной цепочки проникновения и захвата привилегий.

Devart has updated its entire Delphi product line with support for RAD Studio 13 Florence Release 2, Microsoft SQL Server 2025, and MySQL 9.7. The update, dubbed 2026.2, also introduces client-side ...

Proofpoint email security compared with Mimecast, Abnormal, Defender and Cisco on deployment, evidence, licensing and ...

SQLMap is a free and open-source penetration testing tool written in Python that automates the process of detecting and exploiting SQL injection (SQLi) flaws SQLMap comes with a powerful detection ...

Unlike many bulk-generated skill repositories, this collection focuses on real-world Agent Skills created and used by actual engineering teams, not mass AI‑generated stuff. Compatible with Claude Code ...

*This article is a reprint from the weekly Tuesday morning newsletter "NoTrain" ( https://notrainjp.substack.com). Job openings are selected from those listed on notrain.jp. Last month, the Tokyo ...

CL-UNK-1211 targets government Linux servers using AI-assisted scripts, PHP web shells, and SysGoRAT to steal credentials and ...

Overview: Python leads popularity indexes thanks to its widespread use in AI, machine learning, data science, and ...

PHP2Shell im Active Directory: IT-Service Walter stellt PHP Security Scanner vor und erneuert drei Audit-Werkzeuge Neuer ...

Der ehemalige Bundestagspräsident Wolfgang Thierse (SPD) sieht sich nach dem jüngsten "Spiegel"-Bericht über die linke Berliner Bürgermeisterkandidatin Elif Eralp in seiner Skepsis gegenüber [ ... ] ...