Hello Class, Preventive controls are proactive measures designed to stop securit

Hello Class,
Preventive controls are proactive measures designed to stop security incidents before they occur. For instance, the use of firewalls helps prevent unauthorized access by analyzing and controlling incoming and outgoing network traffic. By setting up rules to allow or block specific data packets based on security criteria, firewalls act as a barrier, hindering attackers from gaining entry to a network. Another example is the implementation of strong access controls. By configuring permissions and restrictions on user accounts, organizations can limit access to sensitive information, reducing the risk of unauthorized individuals or malware infiltrating the system.
Detective controls focus on identifying security incidents as they happen. Security Information and Event Management (SIEM) systems, for example, collect and analyze log data from various sources to detect patterns indicative of cyber threats. Through real-time monitoring and analysis, SIEM systems can alert security teams to potential security incidents, allowing for a swift response. Intrusion Detection Systems (IDS) also play a vital role by actively monitoring network or system activities for signs of malicious behavior. When an anomaly is detected, the IDS generates alerts, enabling security personnel to investigate and respond to the potential threat. These detective controls provide organizations with the means to identify and address security incidents promptly, minimizing the impact of an attack.
Corrective controls are implemented to limit the damage caused by a security incident and to restore systems to a secure state. Incident response plans are a key component of corrective controls, outlining the steps to be taken when a security incident occurs. This may involve isolating affected systems, eradicating the threat, and recovering from the incident. Regular backups and effective recovery procedures are critical for mitigating the impact of incidents like ransomware attacks. By restoring systems and data from backups, organizations can resume normal operations while minimizing data loss. Additionally, patch management ensures that software and systems are promptly updated with the latest security patches, closing known vulnerabilities and making it more challenging for attackers to exploit weaknesses in the system.
Reference:
Khaleghi, M., Aref, M. R., & Rasti, M. (2023). Comprehensive comparison of security measurement models. Journal of Applied Security Research, 18(3), 333-401.
Doe, J. (2023, November 20). Cybersecurity Controls: Preventive, Detective, and Corrective Measures. Security Today
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