This article explains what network attacks are, outlines the most common attack types such as malware, DoS/DDoS, phishing, SQL injection and DNS tunneling, and provides practical prevention measures including regular updates, firewall configuration, VPN use, and security awareness training.
The National Computer Virus Emergency Response Center reports a new “Silver Fox” Trojan variant distributed via phishing links in WeChat groups, disguised as tax‑related installers, which can hijack systems for remote control and fraud, and provides concrete steps for users and enterprises to defend against it.
This guide explains what MySQL deadlocks are, shows how to use InnoDB status and performance‑schema queries to locate them, demonstrates a reproducible deadlock scenario, and provides practical prevention techniques such as reducing transaction size, quick commits, proper indexing, and consistent access order.
This article explains the fundamentals of Cross‑Site Request Forgery (CSRF), describing its background, attack mechanics, key concepts, common prevention techniques such as anti‑CSRF tokens and SameSite cookies, and provides practical GET and POST examples to illustrate the threat.
The article lists a series of Linux commands that can permanently delete files, format disks, or overload system resources, explains why they are dangerous, and provides practical tips such as avoiding root for daily work, verifying command purpose, using trusted sources, and regularly backing up data.
This article shares a collection of real DBA deletion mishaps—from accidental Oracle home removal to mistaken rm‑rf commands—and offers practical prevention tips such as aliasing rm, monitoring storage, backing up before deletions, and enforcing peer review to improve operational safety.
