Bảo mật hệ thống mạng part 10 pps

... mail. When a document is to be faxed, it is appropriate to require a phone call to the receiving party and for the sender to request the receiver to wait by the fax machine for the document. This ... imple- mented on the device as well as a procedure for requesting and granting access that is not part of the standard configuration. Remote Access of Internal Systems Often, organizations allo...

Ngày tải lên: 02/07/2014, 18:20

... individuals. Vulnerability Scanning Scanning computer systems for vulnerabilities is an important part of a good security program. Such scanning will help an organization to identify potential entry ... will be able to access them. Unfortunately, this is not a 12 Network Security: A Beginner’s Guide 10 Network Security: A Beginner’s Guide products. If the product is not certified, users m...

Ngày tải lên: 02/07/2014, 18:20

Ngày tải lên: 02/07/2014, 18:20

... difficult. Making multiple copies of the information and distributing the copies to interested parties makes it difficult to successfully change all of the documents at the same time. Chapter ... exists. For paper files, the physical paper file must be protected. The physical file must exist at a particular location; therefore, access to this location must be controlled. The confidentiality ....

Ngày tải lên: 02/07/2014, 18:20

... or a network within the control of the organization. What if the file is to be copied to other parties or organizations? In this case, it is clear that the access controls on a single computer ... signature was created. In order to be worthwhile, the digital signature must be identified with a particular user; thus, the integrity service must work with the identifica - tion and authentication...

Ngày tải lên: 02/07/2014, 18:20

... of these statutes to a particular situation or organization, please consult your organization’s general counsel. Computer Fraud and Abuse (18 US Code 103 0) As I mentioned, 18 US Code 103 0 forms the basis ... investigations by fed- eral authorities (mainly the FBI and the Secret Service). While 18 US Code 103 0 is the pri- mary computer crime statute, other statutes may form the basis for...

Ngày tải lên: 02/07/2014, 18:20

... here: bin:*LK* :109 60:0:99999:7::: daemon:*LK* :109 60:0:99999:7::: adm:*LK* :109 60:0:99999:7::: lp:*LK* :109 60:0:99999:7::: sync:*LK* :109 60:0:99999:7::: shutdown:*LK* :109 60:0:99999:7::: halt:*LK* :109 60:0:99999:7::: mail:*LK* :109 60:0:99999:7::: news:*LK* :109 60:0:99999:7::: uucp:*LK* :109 60:0:99999:7::: operator:*LK* :109 60:0:99999:7::: games:*LK* :109 60:0:99999:7::: gopher:*LK...

Ngày tải lên: 02/07/2014, 18:20

... six months (see Figure A-4). Assessment During the update phase, the Security department should begin working with depart- ments that are deploying or building new projects. The idea is for Security ... their lifecycles. New project requirements should reflect the secu- rity policy and the Security department should provide assistance in the design of new systems. Appendix A: The Process Proj...

Ngày tải lên: 02/07/2014, 18:20

... no-brainer. But where do we draw the line between operating system and application? Is RPC part of Unix? Is Explorer part of Windows? In many cases, it is not so simple to separate out the application ... the root access of these applications! If for no other reason, applications that open ports below 102 4 must be root just to open the port and listen for connections. Perhaps this is a...

Ngày tải lên: 02/07/2014, 18:20

... deadline (say, in 30 minutes). You can use real time for this part to make it more realistic. Talk with your Public Relations department about how the reporter should have been handled or what ... by the intruder. Variation A For an added twist if you wish to exercise your Public Relations department, the cus - tomer called not only your organization but also the local TV station. The story...

Ngày tải lên: 02/07/2014, 18:20