What are Cybersecurity Threats?

Last updated: 2025-08-23

Cyber threats, or cybersecurity threats are any possible malicious attacks on data or an organization's IT equipment that aim to gain unauthorised access to data. Attacks can be random or they can be targeted, organized and may originate from individuals or from a variety of entities, including terrorist groups, hostile national states, criminal organizations, hackers, but can also come from within an organization from disgruntled employees or corporate spies.

What are the most common cybersecurity threats for small and midsize businesses (SMBs)?

  • Ransomware (encrypts your data and demands payment)
  • Malware (malicious software like viruses, worms, and trojans)
  • Denial-of-Service (DoS) and Distributed DoS (DDoS) attacks
  • Man-in-the-Middle (MitM) attacks (intercepting communications)
  • Phishing – a common social engineering scam
  • Identity theft (stolen personal or employee information)
  • Data leaks (accidental or unauthorized data exposure)
  • Web-based attacks (malicious sites, drive-by downloads)
  • Web application attacks (SQL injection, XSS, authentication abuse)
  • Botnets (networks of infected devices used for attacks)
  • Physical theft, loss, or damage of laptops and mobile devices
  • Insider threats (malicious or careless employees/contractors)
  • Spam and phishing emails (malicious links or attachments)
  • Exploits of software vulnerabilities (unpatched systems)
  • Data breaches (unauthorized access to sensitive information)
  • Cyber espionage (targeted theft of business or IP)
main cyber threats

What Cyber Threats Can Do

  • Attackers can steal sensitive data and use it to access additional information
  • Attackers can access financial accounts to steal money or cause financial harm to the business
  • Attackers can obtain personal information and use it to target employees or customers
  • Attackers can steal valuable intellectual property or trade secrets
  • Data loss or corruption can lead to long-term damage, and in severe cases, even threaten the survival of the business

Why Understanding Cyber Threats Matters in Business

Maintaining an overview of cyber threats is essential for risk management

  • Information security risk management requires that you have an understanding of the cyber threats from which the risks arise
  • Creating a list of cyber threats is therefore one of the inputs for risk analysis. Take a look how you can create your computer catalogue Threats
keeping the list of cyber threats