Mixing
西尔维斯特惯性定理
提示：本条目的主题不是惯性定律。在代数学中，西尔维斯特惯性定理（Sylvester's law of inertia）是指在实数域中，一个形如a11x12+a12x1x2+a13x1x3+...+annxn2{displaystyle a_{11}x_{1}^{2}+a_{12}x_{1}x_{2}+a_{13}x_{1}x_{3}+...+a_{nn}x_{n}^{2}}
参见
- 數學定理列表
提示：本条目的主题不是惯性定律。Information security
This article is part of a series on Information security Related security categories Internet security Cyberwarfare Computer security Mobile security Network security Threats Computer crime Vulnerability Eavesdropping Malware Spyware Ransomware Trojans Viruses Worms Rootkits Bootkits Keyloggers Screen scrapers Exploits Backdoors Logic bombs Payloads Denial of service Defenses Computer access control Application security Antivirus software Secure coding Secure by default Secure by design Secure operating systems Authentication Multi-factor authentication Authorization Data-centric security Encryption Firewall Intrusion detection system Mobile secure gateway Runtime application self-protection (RASP) v t e Information security , sometimes shortened to InfoSec , is the practice of preventing unauthorized access, use, disclosure, disruption, modification, inspection, recording or destruction of information. Th...
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