5.3 inf sec sys
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Dec 6, 2023
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INFORMATION SYSTEMS
SECURITY
(CITM-502-01AFL)
Name: Fatima Begum
Monali Patel
Shaik Sohail Hussain
Mohammed Khaja Ahmed
Professor Name: Dr. Rick
Designing and implementing a business continuity and disaster recovery (BCDR) plan involves
ensuring the organization can continue essential operations and recover from disruptive events.
The following concepts and practices are involved:
1. Business Impact Analysis (BIA):
Identify critical business functions, their dependencies, and
potential impacts of disruptions. This analysis helps prioritize resources and recovery strategies.
2. Risk Assessment:
Assess potential risks and vulnerabilities to the organization's operations
and IT systems. This helps identify potential threats and develop strategies to mitigate them.
3. Recovery Time Objective (RTO) and Recovery Point Objective (RPO):
Determine
acceptable timeframes for recovering operations (RTO) and acceptable data loss (RPO). These
objectives guide the development of recovery strategies and technologies.
4. Backup and Recovery:
Establish regular data backups and implement recovery strategies,
such as offsite data storage, data replication, and backup restoration procedures. This ensures
data integrity and facilitates efficient recovery.
5. Crisis Management and Communication:
Develop plans and protocols for crisis
management, including communication strategies, emergency response procedures, and
coordination with relevant stakeholders.
Testing a disaster recovery plan involves conducting drills and simulations to validate its
effectiveness. This includes tabletop exercises, where teams walk through hypothetical scenarios,
and full-scale simulations to assess the response and recovery capabilities. Regular testing
identifies areas for improvement and helps ensure the plan can be executed successfully during
an actual disaster.
A risk management plan should include:
1. Risk Identification:
Identify potential risks and vulnerabilities that may impact the
organization's operations, assets, or reputation.
2. Risk Assessment and Analysis:
Evaluate the likelihood and potential impact of identified
risks. This helps prioritize risks and allocate resources for mitigation.
3. Risk Mitigation Strategies:
Develop and implement strategies to reduce, avoid, transfer, or
accept risks. This includes implementing security controls, insurance coverage, contingency
plans, and business continuity measures.
4. Monitoring and Review:
Continuously monitor and review risk management activities to
identify emerging risks, evaluate the effectiveness of mitigation measures, and update the risk
management plan accordingly.
(Gilbertrisksolutions.com)
A change management plan impacts the overall risk strategy by ensuring that changes to systems,
processes, or technologies are implemented in a controlled and secure manner. By following
change management best practices, such as assessing the potential risks and impacts of changes,
implementing proper testing and validation processes, and obtaining necessary approvals,
organizations can minimize the likelihood of introducing vulnerabilities or disruptions to their
systems.
(Ramy Farha, Chris DeBrusk, and Antonio Tugores, oliverwyman.com)
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A security plan for the development of secure software should include:
1. Secure Coding Practices:
Define coding standards and guidelines that promote secure
programming practices, including input validation, proper error handling, and secure data
storage.
2. Threat Modeling:
Conduct threat modeling exercises to identify potential security risks and
vulnerabilities in the software design and architecture. This helps prioritize security controls and
countermeasures.
3. Regular Security Testing:
Implement regular security testing, including static code analysis,
dynamic application security testing, and penetration testing, to identify and address software
vulnerabilities.
4. Secure Development Lifecycle:
Integrate security into the software development lifecycle,
ensuring that security considerations are addressed in every phase, from requirements gathering
to deployment and maintenance.
5. Secure Deployment and Configuration:
Define secure deployment practices and guidelines
to protect the software during installation, configuration, and ongoing management.
By incorporating these concepts into the security plan, organizations can build robust and
resilient software systems that prioritize security and protect against potential threats and
vulnerabilities.
References:
How to prepare disaster recovery and business continuity plan - C2 (continuity2.com)
Best Practices For Disaster Recovery Testing | Snyk
Risk Management Plan Components - Gilbert's Risk Solutions (gilbertsrisksolutions.com)
Managing Change Risk (oliverwyman.com)