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application-based idsapplication-based ids appids is an advanced version of hids it examines application for abnormal events the ability to view
host-based idsa host-based ids hids resides on a particular computer or server and monitors activity only on that system hids also called as system
network-based ids nidsa nids resides on computer or appliance connected to segment of an organizationrsquos network and looks for signs of attacks
types of idss and detection methodsidss operate as network based host based or application based systems and focused on protecting network
why use an idsids prevent from problem behaviors by increasing the perceived risk of discovery and punishment detect the attacks and other security
information classificationthe classification of information is an important aspect of policy and a control for the information protection a clean
policy managementpolicies should be managed as they constantly change good policy development and maintenance make a more resilient organization all
systems-specific policy sysspsyssps are codified as standards and procedures which are used when configuring or maintaining systems systems specific
issue-specific security policy isspthe issp addresses specific areas of technology needs frequent updates and having statement on organizationrsquos
enterprise information security policy eispeisp also known as security policy directly supports the mission of the organization and sets the
introduction to planning for securitythe creation of an information security program begins with creation and review of organizationrsquos
introduction to physical securitythe physical security addresses design execution and maintenance of countermeasures which protect physical resources
attacks on cryptosystemsattacks are attempts to achieve unauthorized access to secure communications have characteristically used brute force attacks
steganographyit is a process of hiding information in use for a long time most popular modern version of this process hides information within files
hybrid cryptography systemsthis makes use of different cryptography systems except digital certificates pure asymmetric key encryption is not used
digital certificatesdigital certificates are electronic document having key value and identifying information about entity which controls key digital
digital signaturesdigital signatures are encrypted messages which can be proven mathematically to be authentic these are created in response to
public key infrastructure pkiit is integrated system of software encryption methodologies protocols legal agreements and 3rd-party services enabling
asymmetric encryptionasymmetric encryption method makes use of two different but related keys and either key can be used to encrypt or decrypt the
symmetric encryptionthis encryption method makes use of same ldquosecret keyrdquo to encipher and decipher the message and it is termed as private
cryptographic algorithmscryptographic algorithms are broadly classified into two broad categories they are stated below1 symmetric encryption
base liningbull organizations do not have any contact to each other bull no two organizations are identical to each
benchmarkingan alternative approach to risk management is benchmarking it is process of seeking out and studying practices in other organizations
the cost benefit analysis cba formulacba determines that whether the control alternative being evaluated is worth cost incurred to control
cost benefit analysis cbathe common approach for information security controls is economic feasibility of implementation cba is begun by evaluating