Future Internet, IoT and cloud computing

Blog of the GRITS Research Group. Next-generation networks for the Internet of the future, Fog Computing and the Internet of things to implement custom designs in hybrid cybersecurity clouds, in large-scale storage systems and long-distance communications.

23 November 2023 | Posted by angela.tuduri

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In the framework of cybersecurity, anticipation and knowledge are fundamental weapons. In this context, Threat Intelligence emerges as an essential tool to understand and counter the rise of cyber threats.   

In this article, we take a look at Threat Intelligence, how it works and why it has become a key pillar in the defense against online attacks.  

Defining Threat Intelligence  

Threat Intelligence refers to the collection, analysis and application of cyber threat intelligence. It goes beyond simply identifying and responding to attacks.  

It involves understanding the tactics, techniques and procedures used by cybercriminals. This information is used to anticipate potential threats and strengthen defenses before attacks materialize. The key components in threat intelligence management are: 

Data Collection  

  • Open Sources: These include information publicly available on the web, forums, social networks and other open channels. Collecting data from open sources provides an initial view of potential threats.  

  • Closed Sources: Private sources are those shared by cybersecurity communities, government agencies and security companies. Selectively shared information allows organizations to access more detailed and targeted data.  

  • Commercial Sources: Specialized threat intelligence vendors offer specialized data and analysis. These can include vulnerability reports, indicators of compromise (IoCs) and other valuable information to strengthen any organization's defenses. 

Analysis  

  • Identification of Patterns and Trends: Data analysis involves identifying patterns and trends in the information collected. This helps to understand how cybercriminals operate and anticipate possible future moves.  

  • Threat Credibility Assessment: Not all threats are the same. Threat credibility analysis involves determining the validity and associated level of risk. This allows the most critical threats to be prioritized and addressed first.  

  • Data Correlation: Data correlation involves combining information from various sources to obtain a more complete picture. By correlating data, relationships and connections can be uncovered that might otherwise go unnoticed. 

Dissemination  

  • Sharing Relevant Information: Dissemination involves sharing critical information with other organizations and cybersecurity communities. This collaboration is essential to creating a broader defense network and improving cyber resilience globally.  

  • Collaboration in Cybersecurity Communities: Participating in specialized communities enables real-time information sharing. This facilitates joint response to threats and the adoption of security best practices.  

  • Early Warnings: Providing early warnings based on threat intelligence allows organizations to proactively prepare for potential attacks, thus improving the effectiveness of responses.  

Importance in Cybersecurity  

Anticipation and Prevention  

The ability to anticipate potential threats is crucial in a constantly evolving cyber environment. Threat Intelligence provides organizations with detailed information on tactics, techniques and procedures used by cybercriminals. This allows defenses to be strengthened before attacks materialize, thereby reducing exposure and mitigating potential damage. 

Improved Response  

In the event of a security incident, Threat Intelligence facilitates a more effective and rapid response. By understanding the nature of the threat, organizations can take informed action to contain and remediate the situation. Minimizing detection and mitigation time is essential to limit the impact of attacks and safeguard the integrity of systems.  

Continuous Adaptability  

The cyber threat landscape is constantly evolving, with cybercriminals adjusting their tactics to evade conventional defenses. Threat Intelligence provides the ability to continuously adapt to these changes. By staying on top of the latest trends and emerging threats, organizations can adjust their security strategies to meet today's challenges.  

Collaboration and Collective Strength  

Collaboration is essential in cybersecurity, and Threat Intelligence facilitates the building of a broader defense network. Sharing relevant information with other organizations and participating in cybersecurity communities enables joint response and adoption of best practices. This collective strength is key to addressing sophisticated threats that transcend organizational boundaries. 

Challenges and Way Ahead  

In the digital world, Threat Intelligence (AI) is an essential weapon for companies and organizations that want to protect their systems and data from cyber threats. AI provides the knowledge needed to anticipate, prepare and defend against cyber attacks.  

In a context where threats are evolving at a dizzying pace, investing in AI is a strategic decision that allows organizations to stay one step ahead of cybercriminals.  

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