Improve Network Security by Implementing Continuous Monitoring
Network security is a top priority for companies amidst various cases of cyber-attacks. The increasingly complex threat of cyber-attacks poses a danger of loss for companies that become victims. According to Ensign Security 2022 research results, cyber-attacks on global companies can cause losses of US$ 3 million to US$ 8 million. Apart from material losses, companies also need to bear the negative impact in the form of loss of consumer trust in network security. To maintain company security, companies need to implement proactive measures, for example, through continuous monitoring.
What is Continuous Monitoring?
Continuous Monitoring is the process of monitoring and managing the network periodically to ensure system security is maintained, complies with applicable regulations, and detects any problems with system performance. Continuous monitoring is something that needs to be implemented, especially in the midst of cyber-attacks and rapid technological developments. With continuous monitoring, companies can identify and anticipate negative potential in real time.
Continuous Monitoring involves several techniques as follows:
1. Vulnerability Scans (Scanning for Vulnerabilities)
By using automated tools, companies are able to check their systems periodically to find vulnerabilities in the system network. To obtain deeper information, it is usually combined with regular penetration testing involving the help of ethical hackers. The stages of scanning for vulnerabilities include identifying the system, determining the type of vulnerability checking you want to use, carrying out the process, and following up on the weaknesses found.
2. Network Traffic Analysis
This technique involves monitoring network traffic, such as availability and activity, to identify potential cyber-attacks and problems with the system. Generally, analysis is carried out to see network developments in real time, detect cyber-attacks and increase internal system visibility.
3. Security Information and Event Management (SIEM) Solutions
The technique works by collecting and analyzing log data from various sources and identifying aberrant activities. SIEM provides benefits by displaying potential threats, auditing system compliance with regulations, and providing actual responses to problems that occur in the system.
4. Threat Intelligence
The process involves collecting and analyzing information regarding motives and behavioral patterns, including the tactics, techniques, and procedures of cybercriminals when launching attacks. With threat intelligence techniques, companies will know how hackers view things and make conclusions based on the data collected to protect the system.
5. Intrusion Detection Systems (Intrusion Detection Systems)
This technique uses devices to monitor network systems to detect system anomalies, breaches, and cyber-attacks. The way IDS works is similar to an antivirus application that detects malicious activity and then matches the traffic with the data center. If a threat is found, the IDS will automatically send a warning.
Continuous Monitoring Process in Network Security
1. Data Collection
In the initial stage, data will be collected first. If you use the application, data will be automatically collected through various network sources.
2. Data Normalization
The collected data will be categorized and converted into a format that makes the analysis process easier. The normalization stage functions to reduce data redundancy and provide standardized data information.
3. Data Analysis
Normalized data will be analyzed with the help of several techniques, such as machine learning and statistics.
4. Monitor and Detect Threats
If a threat is found during the analysis process, it will be categorized based on the level of threat and priority for prevention. In contrast, if a threat has occurred, the application will automatically provide a warning.
This stage determines the sustainability of threats to the system network. If you use the application, the system will automatically block and increase security to prevent similar attacks in the future. The response phase also includes the recovery of systems affected by the threat.
6. Evaluation and Repetition of the Process
In continuous monitoring, the monitoring process must be carried out repeatedly to analyze whether previous threats have been resolved or other hazards that may occur in the future.
Why is continuous monitoring important for companies?
Companies often ignore various gaps that pose potential threats before the threat actually occurs. Company unpreparedness and weak systems provide access for hackers to carry out attacks, such as modifying data or carrying out attacks. In addition, companies need to maintain cyber security from external attacks (hackers attacking through network systems), internal attacks (engineered attacks such as ransomware and phishing), and third-party attacks. Moreover, technological advances have made hackers increasingly sophisticated in launching their attacks with various tactics.
Continuous Monitoring helps companies to detect potential and ongoing threats. Continuous testing is also a way for companies to proactively avoid the danger of attacks and improvise responses if incidents occur. The repetitive nature of testing helps companies be alert to security gaps. Therefore, continuous Monitoring is an effective form of risk management.
Network security has become a major focus for companies amidst the increasingly complex threat of cyber-attacks. In facing this challenge, continuous monitoring is a suitable approach to implement in maintaining network security. By adopting proactive measures and implementing continuous monitoring, companies can identify, prevent, and address security threats quickly and efficiently.
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