Threat Hunting : An overview

Threat Hunting : An overview
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Written by Nilima PaulJanuary 11, 2022
10 min read
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Techiio-author
Nilima Paul

Technology Security Analyst

In this blog post, We will discuss Threat Hunting An overview.

Introduction to Threat Hunting

The course of unusual activity on the server might be the signs of giving and take interruption, or exfiltration of information, which is called danger hunting. The straightforward reality that no framework is 100% secured is its focal mainstay. An association might utilize a few security layers for shielding itself from dangers with the best and the latest innovation, yet there is a possibility 100% of the time of cutting-edge dangers. The methodology most organizations have taken on is that a security arrangement ensures against most assaults after it is sent, however assuming another kind of assault happens, even the most proficient man-made reasoning-based security arrangements will struggle to dissect the new danger. It is important to see every one of the components and the program to make a dangerous hunting process.

How to Create a Threat Hunting Process?

The steps involved are as follows:

Step #1: Collection and processing of data

Quality data is the basic element without which the threat of hunting is not possible. Planning must be done ahead and defined to determine what kind of data must be collected and where the collected data must be processed and centralized.

Step #2: Establishing a hypothesis

Knowing the reason for hunting is the most important point, and the reason will be based on the business, which is based on a company-oriented context. Meaningful, simple, and high-level questions are the starting point for the strategy of the company’s cybersecurity. This allows the real situations to be focused on by the threat hunter, which results in an efficient threat hunting program.

Step #3: Hunt

In this hunting, no matter how many times the data is crunched and the results are interpreted for long hours, the hypothesis may not be confirmed. The threat hunter must have great technical expertise in information security, forensic science, and intelligence analysis. The threat hunter must also have a lot of patience.

Step #4: Identification of threats

At some point, the hypothesis will be considered valid, and the identification of threats will happen. Once the threat is identified, it is important to understand the effect of the threat on the company. Is it a security incident that is ongoing and is critical? Is it a cyberattack that is just beginning? Is it a false alarm by any chance? Before laying out the best course of action, the threat hunter must answer all these questions.

Step #5: Response

The next step is to create a response once the threat is confirmed and the extent of the threat’s consequences. The current attack must be stopped; the eventual malware files must be removed, the altered or deleted files must be restored to their original state. But it is also important to understand the cause of the threat to improve security and prevent attacks of a similar manner in the future. All necessary steps must be taken to ensure that attacks in a similar manner are not likely to happen again.

Advantages and Disadvantages

There are several advantages and disadvantages. They are:

Advantages

The advantages are as follows:

  • Uncover the security incidents proactively: It is proactively identifies hidden threats in the background who have breached the security and found a way into the organization’s network. The current attackers can be stopped using it.
  • Improving the threat response speed: As quicker the identification of the active threats and communication about the active threats to the incident responder which has knowledge and experience to respond to the threat quickly and neutralize before any damage is caused to the network and data, the better the outcome.
  • Reduction of investigation time: It reduces the investigating time by providing insights into the incident like understanding the scope of the incident, determining the causes of the incident, predicting the impact of the incident, etc., to the security team.
  • Help the analysts in cybersecurity understand the company: This hunting helps to identify the possible threats or the new threats to the organization and helps the cybersecurity professionals understand the security of the organization and its expected defense for the various types of attacks.
  • Provides improved defense system to mitigate threats: Threat hunting detects the hidden threats, unknown threats, and emerging threats beforehand and helps the cybersecurity teams provide security and defense to their environments.
  • Threat hunting forces to have specialized and skillful professionals in the company: If the company is implementing threat hunting, the company must look for professionals skilled in the area of IR, forensics, cybersecurity, network engineering, security analytics, network protocols, malware management, reverse engineering, etc.
  • Bringing the security operation centers (SOC) to the future: A threat hunting platform is efficient if valuable tools like security information and event management (SIEM) software products, intrusion detection systems, etc., are included. These tools are important for security operation centers (SOC) in the future.
  • The damage and overall risk to the organization are reduced: It reduces the damage and overall risk to the organization.

Disadvantages

The disadvantages are as follows:

  • The methodologies for threat hunting are less: The organizations are finding it difficult to define threat hunting programs because it is a domain of highly skilled security practitioners, and there are no guidelines and methodologies for proper threat hunting.
  • There is no staff reserved specifically for threat hunting: The challenge the organizations face is finding the hunters. As per the survey, only thirty-one percent of the staff are dedicated to hunting but with multiple responsibilities, and hence their focus on hunting is not effective.
  • There are no new infrastructures used; only existing ones are used: The threat hunters use existing infrastructure like log files, SIEM analytics, intrusion detection systems, etc., but they all have rule-based capabilities, and the detection is only reactive.

Conclusion

It enhances the procedure of network safety. The basic truth that no framework is 100% secured is the focal mainstay of danger hunting, and the danger tracker can recognize and forestall the assaults proactively. The making of this program requires some work, as clarified in the instructional exercise.

Ethical Hacking
Cyber Security
Threat Hunting
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Nilima Paul
Technology Security Analyst
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