Mixing
多瘤齒獸目
 化石時期： 160–35 Ma PreЄ Є O S D C P T J K Pg N 侏儸紀－漸新世 | ||||||||||
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多瘤齒獸目（Multituberculata）為一種早期的哺乳動物，生存了相當長的一段時間，最後在漸新世完全滅絕了。
多瘤齒獸類生存了超過1億年的時間，因此常常被生物學家認為是最成功的哺乳類之一。與齧齒類相似，牠們第一次出現在侏儸紀中期（約1億6000萬年前），而且在白堊紀大滅絕中存活下來，最後在漸新世早期（約3500萬年前）完全滅絕。
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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