A SQL injection attack is a type of attack that targets security vulnerabilities in web applications to gain access to data sets. A SQL injection attack exploits a flaw in the web application code that allows an attacker to inject malicious SQL statements into the input fields or parameters of the web application. These SQL statements can then execute on the underlying database server and manipulate or retrieve sensitive data from the database. A SQL injection attack can result in data theft, data corruption, unauthorized access, denial of service or even complete takeover of the database server. A denial of service (DOS) attack is a type of attack that aims to disrupt the availability or functionality of a web application or a network service by overwhelming it with excessive requests or traffic. A phishing attack is a type of attack that uses deceptive emails or websites to trick users into revealing their personal or financial information or credentials. A rootkit is a type of malware that hides itself from detection and grants unauthorized access or control over a compromised system. References: IS Audit and Assurance Tools and Techniques, CISA Certification | Certified Information Systems Auditor | ISACA

Comprehensive and Detailed Step-by-Step Explanation:
Forensic evidence must be legally admissible, unaltered, and properly collected to support prosecution.
* Option A (Incorrect):While an IDS helpsdetectcybercrime, it does not ensure evidence collection or legal admissibility.
* Option B (Correct):Theprofessional collection of unaltered evidencefollows forensic standards, includingchain of custody, ensuring that the evidence is admissible in court. This is the most critical factor in prosecuting cybercriminals.
* Option C (Incorrect):Internal legal reporting is necessary but does not directly impactevidence preservation, which is key for legal action.
* Option D (Incorrect):Law enforcement involvement is important, but withoutproperly collected evidence, prosecution is unlikely to succeed.
Reference:ISACA CISA Review Manual -Domain 5: Protection of Information Assets- Covers forensic investigation, evidence collection, and chain of custody principles.

The business impact analysis (BIA) is a critical component of an organization's business continuity planning (BCP) process. The most concerning issue is when system criticality information is provided only by the IT manager (Option B). This presents a risk of bias or incomplete analysis, as business units must also provide input to ensure a comprehensive assessment.
ISACA CISA Reference: According to ISACA's BCP and DRP guidelines, BIA should involve input from multiple business functions, including finance, operations, and risk management, rather than relying solely on IT.
Risk Implication: Without broader business input, the criticality of systems may be misclassified, leading to incorrect recovery priorities and potential business disruption.
Alternative Choices:
Option A: While a risk assessment is important, a BIA can still be completed without it and later validated.
Option C: The use of questionnaires is a valid method if responses are verified.
Option D: Lack of executive sign-off is concerning but does not directly impact the accuracy of system criticality assessment.

The best recommendation to help prevent the situation where IT support staff were put in a position to make decisions beyond their level of authority during the review of a system disruption incident is to introduce escalation protocols. Escalation protocols are policies and procedures that define who should be notified, involved, or consulted when an incident occurs, how the communication and handover should take place, and what criteria or triggers should be used to escalate the incident to a higher level of authority or expertise2.
Escalation protocols help to ensure that:
Incidents are handled by the appropriate staff with the required skills, knowledge, and experience Incidents are resolved in a timely and effective manner Incidents are escalated to senior management or specialized teams when necessary Incidents are documented and reported accurately and transparently Incidents are analyzed and learned from to prevent recurrence or mitigate impact Therefore, by introducing escalation protocols, an organization can improve its incident management process and avoid putting IT support staff in a position to make decisions beyond their level of authority.
References:
Escalation policies for effective incident management, Section 1: What is incident escalation?

Comprehensive and Detailed Step-by-Step Explanation:
Ensuring data integrity iscritical, even when handling publicly available information.
* Option A (Incorrect):While tracking system interfaces is useful formonitoring, it is not thegreatest concernif the data being transferred is publicly available.
* Option B (Incorrect):Encryption isimportant, but if the data is alreadypublic, therisk impact is lowercompared to data integrity issues.
* Option C (Incorrect):Data interception may not be a critical issue forpublicdata unless it leads to modification or exploitation.
* Option D (Correct):If thedata from the originating system differsfrom the downloaded data, it indicates adata integrity failure. This could result from system errors, transmission faults, or tampering, making it thehighest riskfor an IS auditor to address.
Reference:ISACA CISA Review Manual -Domain 4: Information Systems Operations and Business Resilience- Covers system interfaces, data integrity, and auditing techniques.