Cyber Threats

Know Your Enemy: Types of cybersecurity threat actors

juanhernandez@preyhq.com
Juan H.
Feb 26, 2025
0 minute read
Know Your Enemy: Types of cybersecurity threat actors

Cybersecurity threat actors are individuals or groups targeting digital infrastructure. They include hackers, cybercriminals, and nation-state operatives. This article explores key types of threat actors and how to defend against them.

Key takeaways

  • Cybersecurity threat actors can be classified into four main categories: nation-state actors, cybercriminals, hacktivists, and insider threats, each with distinct motivations and methods.
  • Effective defense strategies against cybercrime include implementing a zero trust security model, enhancing threat intelligence capabilities, and conducting regular security training for employees.
  • Collaborative efforts between government agencies and private sector organizations are essential for improving cybersecurity measures and enhancing overall situational awareness against evolving threats.

Understanding cybersecurity threat actors

Cybersecurity threat actors refer to individuals or groups inflicting harm on digital devices or systems. The distinction between a cybersecurity threat actor and a general threat actor lies in the latter’s operation being specifically within the digital landscape. Anyone aiming to cause digital harm, whether for financial gain, espionage, or other motives, can be considered a threat actor.

Identifying cybersecurity threat actors helps in anticipating and mitigating risks. Awareness of these actors can prevent costly cyberattacks and improve detection methods and investigations. Threat actors utilize a variety of different methods to execute their attacks, and the impact of their actions is influenced by their motivations, capabilities, and targets.

Cybercriminals are often motivated by financial gain, political influence, ideological purposes, or insider motives. Their primary goals include financial gain, espionage, and the destruction of data. Understanding these motivations and methods enables organizations to develop strategies that better protect their digital assets.

Main categories of cybersecurity threat actors

Cybersecurity threat actors can be categorized into several primary groups: nation-state actors, cybercriminals, hacktivists, and insider threats. Each category has unique characteristics, motivations, and methods. Understanding these categories helps organizations tailor their defenses against specific threats.

Each category has unique nuances and impacts worth exploring.

Nation-State actors

Nation-state actors are often highly sophisticated, well-funded, and possess advanced technological capabilities. Unlike other threat actors, their primary motivations are political or economic gain, aiming to access sensitive data rather than financial reward. Common targets include government agencies, critical infrastructure, and nation state threat actors defense contractors.

These cyberterrorists engage in espionage and cyber warfare using sophisticated techniques such as advanced persistent threats (APTs) and social engineering, with far-reaching consequences for national security. The complexity and resources available to nation-state actors make them formidable adversaries, requiring equally sophisticated defenses.

Cybercriminals

Cybercriminals primarily seek financial gain through their malicious activities. Their common tactics include identity theft, ransomware attacks, and online fraud. By exploiting vulnerabilities and using techniques such as phishing and social engineering, cybercriminals can inflict significant financial losses, extortion and reputational damage on their targets.

These threat actors typically target individuals and businesses, leveraging methods like ransomware deployment, and steal corporate/public data and other intellectual property to extort money. The financial motives driving cybercriminals make them relentless in their pursuit of exploiting any opportunity for monetary gain.

Hacktivists

Hacktivists are primarily motivated by political reasons and seek to promote social or political causes. Unlike cybercriminals, their focus is on ideological goals rather than financial gain. They often target government agencies and high-profile organizations to draw attention to their causes through actions like defacing websites or launching DDoS attacks.

Common characteristics of hacktivists include:

  • Their belief in enacting positive change through their actions
  • Using methods such as launching DDoS attacks with botnets
  • Exploiting outdated software with open-source tools

Their actions, while ideologically driven, can cause significant disruptions and draw public attention to their causes.

Insider threats

Insider threats arise when authorized individuals misuse access to an organization’s assets. Current and former employees, contractors, or service providers are considered insider threat actors. Threats may arise from malicious intent. They can also be caused by negligence or human error.

Insider threats can lead to substantial harm for an organization. They may result in data breaches, operational disruptions, and damage to the organization’s reputation. They are challenging to detect because individuals have legitimate access to systems and data. Continuous monitoring of user activities is beneficial for identifying unusual behavior. This can serve as an indication of potential insider threats.

Thrill seekers and script kiddies

Thrill seekers and script kiddies represent a unique category of cybersecurity threat actors, often driven by curiosity, the desire for recognition, or simply the thrill of causing chaos. Unlike more sophisticated threat actors, such as nation-state operatives or organized cybercriminals, these individuals typically lack advanced technical skills and rely on pre-existing tools and scripts to carry out their malicious activities.

This type of malicious actors frequently use readily available tools to exploit known vulnerabilities. Their attacks often include: Distributed denial of service (DDOS) attacks, phishing emails and simple hacking attempts using stolen login credential available for sale on the dark web.

Techniques used by cyberthreat actors

Cyberthreat actors are constantly evolving their techniques to exploit weaknesses in digital environments. Common tactics include using ransomware, phishing, and credential stuffing to gain unauthorized access.

Let’s explore some of the most prevalent techniques used by these actors.

Phishing attacks

Phishing is a type of cyberattack using spoofed emails or websites to deceive users into revealing sensitive information. Phishing attacks aim to gain unauthorized access. They are also designed to deliver malware. Detecting these attacks can be challenging. They frequently utilize spoofed email addresses and imitate legitimate websites to scams user.

Phishers employ deceptive tactics to trick individuals into revealing sensitive information or performing compromising actions. Social engineering has the ability to deceive individuals or employees. This can result in them revealing passwords, credit card numbers, transferring funds, or downloading malware to steal data.

Spear phishing involves personalized attacks aimed at specific individuals to obtain sensitive information.

Malware deployment

Malicious software is this type of software intended to infiltrate or damage systems. Viruses, worms, Trojans, and ransomware are common types of malware. Each type poses unique threats to computer systems. Malware can be used for stealing data, gaining control of systems, encrypting files, and disrupting operations.

Ransomware, a type of malware, extorts money by threatening to delete or publish sensitive data. Ransomware encrypts data until a ransom is paid, affecting the operational integrity of organizations.

Malware developers create and distribute various types of malware, including viruses, worms, and Trojans.

Social engineering tactics

Social engineering manipulates individuals to disclose confidential information, facilitating further malicious activities. These techniques involve various methods designed to deceive individuals into sharing sensitive information.

Social engineering often targets high-ranking individuals within organizations to maximize impact. By exploiting human psychology, threat actors can bypass technical security measures and gain access to sensitive information.

Learn more about the types of cyber threats

Real-world examples of cyberthreat actors

Examining real-world examples helps to grasp the impact of cyber threat actors. The following case studies highlight significant cyberattacks that have left indelible marks on the cyber threat landscape.

SolarWinds attack

The SolarWinds attack is characterized by a sophisticated supply chain compromise impacting numerous U.S. federal agencies. This breach allowed hackers to access sensitive data from various government agencies and major corporations.

The SolarWinds cyber attack, one of the most significant security breaches, affected thousands of organizations globally due to compromised IT management software. The attack highlighted the vulnerabilities in software supply chains and the far-reaching consequences of such breaches.

WannaCry ransomware

The WannaCry ransomware attack impacted approximately 230,000 computers in 150 countries, causing an estimated $4 billion in global damages. WannaCry ransomware attacked thousands of organizations worldwide, encrypting files and locking users out of their systems.

This incident highlights the significant risks posed by cybercriminals exploiting vulnerabilities to extort money.

United Healthcare data breach incident

The United Healthcare data breach incident serves as a stark reminder of the vulnerabilities within the healthcare sector. In this cyber attack, threat actors successfully gained unauthorized access to sensitive data, affecting over 100 million people in the U.S., making it the largest healthcare data breach in the country.

This breach exposed personal information, including names, addresses, dates of birth, and social security numbers, patient diagnoses, treatment information, underscoring the critical need for robust security measures in protecting sensitive healthcare data.

Snowflake stolen credential breach

Alongside the United healthcare breach, the cloud storage provider Snowflake incident was one of the most significant data breaches of 2024, threat actors didn't need advanced hacking techniques to infiltrate snowflake systems. Instead, they relied on a simple yet devastatingly effective method: using exposed, legitimate credentials to log in.

Tracked as UNC5537, the financially motivated group used credentials from infostealer malware or found on the Dark Web. Once in, they targeted high profile Snowflake customers including Ticketmaster and Santander to steal data to extort. Reports say up to 165 companies may have been affected.

Effective strategies to defend against cyberthreat actors

Defending against cyberthreat actors requires a multi-faceted cybersecurity strategy approach. Key strategies include implementing advanced security measures, enhancing threat intelligence capabilities, a thorough incident response plans and conducting regular security training.

These strategies are explored in detail below.

Implementing Zero Trust security model

The zero trust security model enforces the principle of ‘never trust, always verify’, ensuring that each user and device is continuously authenticated. Continuous verification reduces the risk of unauthorized access by ensuring that only authenticated and authorized users can access critical resources.

Multi-factor authentication (MFA) adds a layer of security by requiring users to provide multiple forms of verification before accessing systems, making unauthorized access significantly harder.

Adopting a zero trust security model enhances security and improves compliance with regulations by ensuring that sensitive data is properly protected and monitored.

Enhancing threat intelligence capabilities

Integrating advanced technologies is crucial for organizations to effectively anticipate and respond to cyber threats. Threat intelligence utilizes advanced technologies to identify potential dangers. It also relies on real-time data to effectively respond to these threats. Enhanced threat intelligence capabilities help organizations stay ahead of sophisticated threat actors, such as nation-state actors and cybercriminals.

This proactive approach is essential for maintaining a robust defense against evolving cyber threats.

Conducting regular security training

Regular cybersecurity training sessions for employees are vital to improve awareness of phishing and social engineering tactics. Training should cover recognizing phishing attempts, creating strong passwords, and data handling protocols.

Phishing activities can result in data breaches, identity theft, and financial losses. Regular security training empowers employees to act as the first line of defense against cyber threats.

Leveraging technology solutions to combat threat actors

Defending against cyberthreat actors requires leveraging cutting-edge technology solutions. These technologies, such as Endpoint Protection and Response (EDR), Multi-Factor Authentication (MFA), and Intrusion Detection Systems (IDS), form a multi-layered defense strategy that can detect, prevent, and respond to threats effectively.

Endpoint protection and response (EDR)

EDR solutions provide real-time monitoring of endpoints to identify and respond to suspicious activities swiftly. These tools offer automated response capabilities, allowing organizations to quickly mitigate threats detected on endpoints. EDR solutions are designed to discover and neutralize threats that bypass traditional security measures, ensuring a robust defense against sophisticated cyberthreats.

Continuous file behavior analysis by EDR solutions identifies potential threats early, preventing significant damage to critical infrastructure and can disrupt critical infrastructure. This proactive approach is crucial in today’s cyber threat landscape, where rapid detection and response can prevent a minor incident from becoming a major breach.

Multi-factor authentication (MFA)

Multi-factor authentication (MFA) requires two or more pieces of evidence for access, significantly enhancing security measures. By requiring multiple forms of verification, MFA makes unauthorized access much harder, even if a valid password is compromised. This additional layer of security is crucial in preventing unauthorized access to sensitive systems and data.

Incorporating MFA into a zero trust security model ensures that only authenticated and authorized users can access critical resources, reducing the risk of security breaches. This combination of technologies creates a robust defense against cyber threats in an increasingly complex cyber threat environment.

Intrusion detection systems (IDS)

Intrusion Detection Systems (IDS) are crucial tools in cybersecurity, designed to detect and alert on suspicious activities within networks. There are various types of IDS, including network-based IDS (NIDS) that monitor network traffic and host-based IDS (HIDS) that monitor individual devices.

The primary functionality of IDS lies in their ability to analyze patterns and behaviors to identify potential threats, providing alerts that enable timely intervention and threat mitigation. By incorporating IDS into their security framework, organizations can enhance their ability to detect and respond to cyber threats, protecting critical infrastructure and sensitive data.

The role of government and industry collaboration

Collaborative efforts between government agencies and private sector organizations are essential to enhance overall cyber security measures. By providing a unified front against increasingly sophisticated cyber threats, these collaborations improve situational awareness and enable quicker responses to emerging cyber threats. Various initiatives, such as public-private partnerships and joint cyber security exercises, have been established to facilitate this collaboration, helping to develop effective security protocols.

The future of government and industry collaboration in cyber security looks promising, emphasizing the necessity of persistent cooperation to adapt to evolving threats. Sharing threat intelligence between government and industry not only improves situational awareness but also prevents potential damages from cyber attacks.

Collaboration between government agencies and private organizations creates a more resilient cyber security framework, capable of defending against sophisticated threat actors. This collective effort is crucial in today’s interconnected world, where cyber threats know no borders.

Summary

In conclusion, understanding the various types of cyber security threat actors and their methods is crucial for developing effective defenses. From nation-state actors to insider threats, each category poses unique challenges that require tailored strategies to mitigate. By exploring real-world examples such as the SolarWinds attack and WannaCry ransomware, we can better appreciate the devastating impact of these threats.

Implementing advanced security measures, enhancing threat intelligence capabilities, and conducting regular security training are key strategies for defending against cyber threat actors. Leveraging technology solutions like EDR, MFA, and IDS provides a multi-layered defense that can detect, prevent, and respond to cyber threats effectively.

Ultimately, collaboration between government agencies and private organizations is essential for creating a resilient cyber security framework. By working together and sharing threat intelligence, we can stay ahead of evolving cyber threats and protect our digital assets. Stay vigilant, stay informed, and stay secure.

Frequently asked questions

What is a threat actor in cyber security?

A threat actor in cybersecurity is an individual or group aimed at compromising the security of systems and data, often through methods such as data theft, phishing, or malware creation. Understanding these actors is crucial for enhancing your organization's cybersecurity defenses.

Who are the Big Four threat actors?

The Big Four threat actors are China, Russia, Iran, and North Korea, each posing significant global security challenges. Understanding their actions is crucial for developing effective strategies to mitigate risks.

What are the four 4 different types of threat actors and their motivations?

The four types of threat actors are cyber criminals, motivated by financial gain; hacktivists, who seek to undermine reputations or destabilize operations; state-sponsored attackers, driven by espionage; and insiders, who may act out of personal motives or grievances. Understanding these motivations is essential for effective cybersecurity measures.

What are cyber security threat actors?

Cyber security threat actors are individuals or groups aiming to compromise systems and data security through methods such as data theft, phishing, and malware creation. Understanding their tactics is essential for strengthening your defenses against potential breaches.

What are the main categories of cyber security threat actors?

The main categories of cyber security threat actors are nation-state actors, cybercriminals, hacktivists, and insider threats, each with distinct motivations and methods. Understanding these categories is crucial for developing effective security strategies.

Discover

Prey's Powerful Features

Protect your devices with Prey's comprehensive security suite.