On 1/12/12, Shahzad Sadiq <lushahz@gmail.com> wrote:
> CS507-Information Systems assignment 4 solution
> Wednesday, January 11, 2012
> Q.1 What are the problems that system engineers face while designing a
> secure information system?
>
> [5 marks]
>
> Solution
>
>
> A. Natural Disasters
>
> Natural disasters, such as floods, lightning, brown-outs, fire and
> earthquakes, are the most obvious security problems for most organizations.
> Since the source of these problems is generally uncontrollable, one must
> plan for the possibility. Physical location of computer systems, control
> of electrical surges or spikes and clean fire suppression methods are
> possible techniques to discuss when dealing with this topic. A pre-defined
> disaster plan, including appropriate off-site backup, helps to avoid
> regret.
>
> B. Accidental Problems
>
>
> Many threats to a system result from unintentional errors created either by
> a user or by the system itself. Examples include the accidental disclosure
> of data, inadvertent modification or destruction of data, faulty software
> that may produce incorrect data, residual data left in the system and that
> may contaminate new data, and wrong parameters that get passed
> inappropriately. The most common forms of accidental threats are employee
> mistakes. On-going training programs, both formal and informal, can help
> prevent many of these problems.
>
> Malicious threats are deliberate attempts to circumvent or defeat the
> system's protection mechanisms, or exploit weaknesses in such mechanisms. A
> trapdoor is a "special element that when inserted in a program or system
> allows the intruder to bypass protective features safeguarding the secure
> functioning of a system." The Trojan horse technique of penetration
> "consists of supplying the computer with what is perceived appropriate and
> acceptable information, but in reality contains secret instructions for
> unauthorized behavior."
>
>
> Q2. How security vulnerabilities can be over come by using the technique
> presented by the authors?
>
> [5 marks]
>
> Solution
>
> Security center carries out distribution of vulnerability related
> information. It conducts analysis, establish countermeasures, provides PR
> documents, materials and develop support tools to counter vulnerability.
>
>
>
>
> Collection / Analysis of Information on Vulnerabilities, Analysis of
> Attacking Methods
>
> Information on vulnerability and attack methods released via the Internet
> is collected for the purposes of various research, verification, and
> evaluation of the impact.
>
>
>
> Reduction of Vulnerabilities
>
> For the development of safe software, our compilation of know-how titled,
> "A Secure Programming Course," is presented on our website. Furthermore,
> research, study, and the development of technology and supporting tools are
> carried out to reduce the vulnerabilities.
>
>
>
> Report / analysis of Vulnerability-related information, and reports of
> spreading of countermeasures for vulnerabilities.
>
> IPA operates "Information Security Early Warning Partnership" for
> vulnerability-related information distribution in cooperation with JPCERT
> Coordination Center (JPCERT/CC), and other related organizations/bodies.
>
> IPA co-operates the JVN portal site, with JPCERT/CC, which provides the
> action status being taken by the vendors for the vulnerability which has
> been uncovered, and distributes countermeasure when it becomes available.
>
>
>
> On Thu, Jan 12, 2012 at 1:46 PM, shano <mc100203524@vu.edu.pk> wrote:
>
>> i need idea solution of CS507 today is LAST date. if anyone have then
>> send me its urgent.
>>
>> On 1/11/12, mc100207030 <mc100207030@vu.edu.pk> wrote:
>> > i need askari bank ratio analysis plz help me
>> >
>> > On Thu, Jan 12, 2012 at 7:49 AM, Muhammad Afaaq
>> > <afaaqtariq233@gmail.com>wrote:
>> >
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>> >>
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>> > purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic
>> > stuff, Spreading disruption, Spamming are strictly prohibited and banned
>> in
>> > group.
>> > █████████████████████████████████████████████████
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>> > Follow these detailed Group Rules, otherwise you will be banned at any
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>>
>> --
>> N.Malik
>> MBA(Finance)
>> Last Smester
>>
>> --
>> ██████████████████ Basic Group Rules ███████████████████
>> Immoral & Rudish talk, Earning program links, Cell number for friendship
>> purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic
>> stuff, Spreading disruption, Spamming are strictly prohibited and banned
>> in
>> group.
>> █████████████████████████████████████████████████
>>
>> Follow these detailed Group Rules, otherwise you will be banned at any
>> time.
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>> https://docs.google.com/document/d/1YJxA8x3_U7C1lRc0EXfLrJpco4A1XkB1vDxOTqOd3Jg/edit?hl=en&authkey=CNDy9tkJ
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> --
> ██████████████████ Basic Group Rules ███████████████████
> Immoral & Rudish talk, Earning program links, Cell number for friendship
> purpose, Websites/Groups Links, Adult contents, Criticize-able Islamic
> stuff, Spreading disruption, Spamming are strictly prohibited and banned in
> group.
> █████████████████████████████████████████████████
>
> Follow these detailed Group Rules, otherwise you will be banned at any time.
>
> https://docs.google.com/document/d/1YJxA8x3_U7C1lRc0EXfLrJpco4A1XkB1vDxOTqOd3Jg/edit?hl=en&authkey=CNDy9tkJ
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