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threat identificationafter identifying and performing a primary classification of an organizationrsquos information assets the analysis phase moves
management of classified datamanagement of classified data comprises of its storage distribution portability and destruction of classified data all
security clearancesfor a security clearance in organizations each data user should be assigned a single level of authorization indicating
data classification and managementcorporate and military organizations use a several of classification schemes information owners are responsible for
hardware software and network asset identificationwhat information attributes to track is dependent onbull requires of organizationrisk
peopleproceduresdata asset identification-risk managementthe human resources data information and documentation assets are more difficult to identify
security analysisoverviewbull know yourself examine identify and understand the information and systems which are currently in
legal ethical and professional issuesto minimize liabilities and reduce risks information security practitioner shouldbull to understand
business needsinformation security performs four main functions for an organization1 protects the ability of organization to function2 enables safe
need for securityprimary mission of information security to ensure that the systems and contents stay the same if no threats could focus on improving
the security systems development life cycle secsdlcthe same phases which is used in traditional sdlc can be adapted to support specialized
the role of the investigationthe first phase investigation is the most significant what problem is the system being developed to solve during
components of an information systemthe components of an information system are software data hardware people procedures and networks these 6
nstissc security modelthe nstissc security model provides a detailed perspective on security while the nstissc model covers the 3 dimensions of
confidentialityconfidentiality of information ensures that only those with sufficient privileges may access specific information when unauthorized
example 3 logic bombsin the year 2000 timothy lloyd was found responsible of causing 10 million and 12 million of damage to omega engineering an
example ucsf medical centerin the year 2002 the university of california san francisco ucsf medical center received an email message from someone
example softbank ndash theft of consumer data for extortionsoftbank of japan offers broadband internet services across japan through 2 subsidiaries
what is information securityinformation security protects information and facilities and systems which store use and transmit it from a broad range
what is informationinformation comprises the meanings and interpretations which people place upon the facts or data the value of information springs
what key which if used to encrypt the ciphertext again would give back the plaintext ie key is a weak key define a formula for identifying weak
the following message was enciphered with a vigenegravere
limitations of firewallfirewalls cannot protect a network if security rules are not followed properly by an organization or if the rules are not
advantages and disadvantage of packet filtering firewall advantages one screening router can help protect entire networkone key advantage of
dynamic packet filteringdynamic packet filtering is also referred to as stateful firewalling here the firewall maintains the status of connections as