Threat assessment is the process of examining, filtering, transforming, and modeling of acquired threat data for extracting threat intelligence. It is a process where the knowledge of internal and external threat information.
The definition of threat varies from organization to organization and industry to industry. Even the threat assessment varies depending on the requirement of the organization. Threat assessment enriches the security measures of the organization with insight into internal and external threat data.
Threat assessment allows the organizations to assess their current threat landscape by identifying flaws in their assets. The chances for exploitation using those flaws, and their origin. Performing regular threat assessment to its infrastructure can allow an organization to proceed its assets from evolving cyber threats.
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From exposing weaknesses in systems to issues with compliance, a security threat assessment enables organizations to uncover hidden vulnerabilities in people, processes and technology – before a malicious actor can exploit them.
Organizations need to perform continuous threat assessment for the following reasons:
Threats change constantly, as the attackers try to compromise the networks with new techniques. There is no way to predict how the threats evolve and from which direction. They come Simply implementing extreme security measures cannot protect the environment. The evolving threats may affect the business operations and lead to loss of revenue. Threat assessment allows be organizations to think wisely. Investing some revenue on the protection of resources and avoiding unnecessary expenditure
Threat intelligence, usually known as cyber threat intelligence CTI, is defined as the collection and analysis of information about threats and adversaries and drawing patterns that provide an ability to make knowledgeable decisions for the preparedness, prevention, and response actions against various cyber-attacks. It’s the process of recognizing or discovering any “unknown threats” . That organization can face so that necessary defense mechanisms can be applied to avoid such occurrences. Lt involves collecting, researching, and analyzing trends and technical developments in the field of cyber threats it hat is, cyber crime, hacktivist, espionage). Any knowledge about threats that result in the planning and decision -making in an organization to handle it is a threat intelligence.
The main aim of the CTI is to make the organization aware of the existing or emerging threats. Prepare them to develop a proactive cyber security posture in advance before these threats could exploit them. This process, where the unknown threats are converted into the possibly known ones, helps anticipate. The attack before it could happen and ultimately results in a better and secret system in the organization. Threat intelligence is useful in achieving secured data sharing and transactions among organizations globally.
Threat assessment is a part Certified Threat Intelligence Analyst(CTIA) training you learn the Threat intelligence, and their impact.
Nowadays, organizations that are connected to the Internet are more susceptible to various targeted cyber-attacks. Order to thwart such cyber-attacks and protect the critical organizational assets from evolving threats. Organizations need to develop strategies for gaining contextual threat information. That helps to deter, prevent, detect, or respond to various cyber-attacks in a time-efficient manner. The current scenario, is not possible to prevent and protect the organization from all the evolving threats. Determining the context of a threat across various IT assets. Networks of the organization may lead to successful and strong cyber security posture of the organization.
Threat contextualization refers to the process of assessing the threats and their impacts in various conditions. Contextualization of threats helps the organizations in predicting the current threats and future evolving threats. Further helps the organizations in enhancing their current cyber security posture. Threat context is obtained by detecting and analyzing. The current vulnerabilities in the IT resources, such as networks and information systems.
Threat correlation helps organizations to monitor, detect, and escalate various evolving threats from the organizational networks. The main objective behind threat correlation is to reduce the false-positive alert rates and detect and escalate stealthy, complex attacks. Threat correlation benefits the incident response teams to mainly focus on topmost priority issues, reducing potential risk and corporate liabilities.
The main aim behind the collection of valuable threat data from different security systems. Application platforms is to find a correlation between threat data to provide accurate and timely data to incident handling teams.
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Discussed below are the most commonly used correlation techniques:
Relating multiple incident
Order to recognize an incident as harmful, it is necessary to use incident data from various sources and nodes. The correlation mechanism must have the capability of processing data irrespective of its origin.
The past security incidents faced by an organization might influence the security-related decisions taken presently. Scanning a single port in the network cannot determine anything; instead, comparison of past short-term and long-term incidents can be used to obtain valuable information, which can further be used to take an immediate security action.
A prolonged and targeted incident on a network can harm the network security and information present in the systems. A small amount of traffic on the organizational network can be considered as normal. As continuous incoming traffic can indicate a denial-of-service attack. According to encounter such incidents, the correlation mechanism must have the capability of relating incident persistence with respect to time period.
Incident-directed data collection
In many situations, it is necessary to interact with other systems in the network in order ID complete the correlation process. In correlating threat data, simple security data is not sufficient. Data such as customer databases, network devices, asset databases, and other information may be required for effective threat correlation. There are many threat correlation solutions that may help in diagnosing malicious incidents, distinguishing incidents based on their level of severity, and further delivering the meaningful knowledge to categorize high-priority alerts.
Threat attribution is referred to as the process of identifying and attributing actors behind an attack, their goals and motives along with the sponsors. It also involves analyzing the threats to obtain the evidence also called as indicators of compromise (IoCs) and derive threat intelligence from such analysis.
Discussed below are different types of attributions:
– Group Attribution: It deals with attributing based on the common group or association of multiple malicious actors and their attack methodologies.
– Campaign Attribution: It deals with attributing based on the malware or the campaign strategy of specific malware.
– Intrusion-set Attribution: It deals with attributing the attacker based on the intrusion patterns.
– True Attribution: it deals with the identification of a specific person, society, or country sponsored g a well-planned and executed intrusion or attack over its target.
– Nation-state Attribution: It deals with the attribution of attacks that are sponsored by any nation against another nation.
Questions related to this topic
- What is threat intelligence in cyber security?
- What are the threats of intelligence?
- What is threat correlation?
- Why is cyber threat intelligence important?
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