TAILIEUCHUNG - Bảo mật cho joomla part 20

Mã độc hại ° ° sâu A sử dụng chia sẻ file mở để nhanh chóng lây nhiễm hàng trăm máy trạm trong một tổ chức. Một tổ chức nhận được một cảnh báo từ một nhà cung cấp chống virus là một loại sâu mới đang lây lan nhanh chóng thông qua email trên khắp Internet. | This material is copyright and is licensed for the sole use by Thomas Rosenblum on 4th December 2008 1010 SW High Ave. Topeka 66604 Chapter 10 Malicious Code A worm uses open file shares to quickly infect several hundred workstations within an organization. An organization receives a warning from an antivirus vendor that a new worm is spreading rapidly via email throughout the Internet. The worm takes advantage of a vulnerability that is present in one of the organization s hosts. Based on the previous antivirus incidents the organization expects that the new worm will infect some of its hosts within the next three hours. Naturally with vulnerabilities on the rise this will be a major source of events. The following chart taken from CERT http stats Catalog of Incidents Reported to CERT since 1995 note 2008 not shown shows confirmed and reported vulnerabilities dating back to the mid-1990s In the summer of 2008 a large collocation facility The Planet experienced an event which resulted in an explosion power outage and an inability to fire up their generators. This incident caused a wide-reaching set of mini-events and incidents in sites across US. 197 This material is copyright and is licensed for the sole use by Thomas Rosenblum on 4th December 2008 1010 SW High Ave. Topeka 66604 Incident Management The result was 9 000 customer servers went dark along with their respective sites. They had generator power but were not allowed to enter the building under orders of the fire marshall. They had to wait to gain access to the building for starting the generators cool down the data center bring up equipment rack-by-rack and check for equipment failures. The cause was an electrical explosion resulting in total power loss. It occurred on a Saturday afternoon and thank God no one was injured. This incident was tracked on the collocation facility s support blog which is updated on a regular basis. The event started on Sunday and by Tuesday of that

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