Một hệ thống sẽ là an toàn (safe) khi các khiếm khuyết không thể làm cho hoạt động chủ yếu của nó ngừng hẳn và các sự cố đều xảy ra sẽ được khắc phục kịp thời mà không gây thiệt hại đến mức độ nguy hiểm cho chủ sở hữu. | MITM MPSA Overview The Microsoft TechNet Security site contains a vast amount of information useful to IT information technology professionals who need to ensure Microsoft platforms and products are deployed configured and administered securely. Some of the topics covered by the site include the following Access to the latest security bulletins from Microsoft Corporation and information on how to subscribe to the Microsoft Security Notification Service Security resources including assessment tools checklists best practices how-to tutorials case studies security tips service packs rollup packages and hotfixes Access to security-related newsgroups and information on how to contact the Microsoft Security Team Information on how to protect detect defend recover and manage security-related issues Links to security-related training books and third-party products and services For More Information Visit technet security for more information. See Also Microsoft Security Privacy MITM Stands for man-in-the-middle attack an attack in which the attacker impersonates both ends of a secure communication channel. See man-in-the-middle MITM attack Morris worm A notorious Internet worm that also acted as a virus. Overview The Morris worm was one of the first worms to cause damage to systems and achieve widespread media recognition. The worm was developed by Robert Morris Jr. a student at Cornell University and though originally designed simply to spread and not cause harm a coding error caused the worm to repeatedly replicate itself until it consumed available memory filled free space on hard drives and drove processor utilization to 100 percent. The result was denial of service DoS for legitimate users and systems that crashed and needed their hard drives to be cleaned before they could restart. The Morris worm first appeared in November 1988 and spread rapidly across the Internet infecting Sun servers and VAX minicomputers by exploiting vulnerabilities in the .
