Bảo mật hệ thống mạng part 7 pps
Bảo mật hệ thống mạng part 7 pps
... them, that action is allowed
under this law.
Access to Electronic Information (18 US Code 270 1)
18 US Code 270 1 prohibits unlawful access to stored communications but it also prohibits
preventing ... defines the crime as the intentional access of a computer
without authorization to do so. A second part of the statute adds that the individual
accessing the computer has to obtain informatio...
Bảo mật hệ thống mạng part 2 ppsx
... 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 ... cannot be the all-encompassing solution.
Anti-Virus Software
Anti-virus software is a necessary part of a good security program. If properly imple
-
mented and configured, it can reduce an...
Bảo mật hệ thống mạng part 4 pps
... CHAPTER
3
Information
Security Services
27
Copyright 2001 The McGraw-Hill Companies, Inc. Click Here for Terms of Use.
The same is true for
Bảo mật hệ thống mạng part 5 ppsx
... CHAPTER
3
Information
Security Services
27
Copyright 2001 The McGraw-Hill Companies, Inc. Click Here for Terms of Use.
CDs, and so on). Second, ... 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 ... an organization de
-
pend upon proper risk assess...
Bảo mật hệ thống mạng part 6 ppsx
... 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...
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...
Bảo mật hệ thống mạng part 44 ppsx
... here:
bin:*LK*:10960:0:99999 :7: ::
daemon:*LK*:10960:0:99999 :7: ::
adm:*LK*:10960:0:99999 :7: ::
lp:*LK*:10960:0:99999 :7: ::
sync:*LK*:10960:0:99999 :7: ::
shutdown:*LK*:10960:0:99999 :7: ::
halt:*LK*:10960:0:99999 :7: ::
mail:*LK*:10960:0:99999 :7: ::
news:*LK*:10960:0:99999 :7: ::
uucp:*LK*:10960:0:99999 :7: ::
operator:*LK*:10960:0:99999 :7: ::
games:*LK*:10960:0:99999 :7: ::
gopher:*LK...
Bảo mật hệ thống mạng part 51 pps
... 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...
Bảo mật hệ thống mạng part 52 ppsx
... 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 ... was about the Michelangelo virus. The next CERT advisory
that included Windows occurred in 19 97 (CA- 97. 28), which described denial-of-service
attacks called teardrop and land. These...
Bảo mật hệ thống mạng part 53 pps
... 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...