The Biggest Cyber Threats In 2025

Wondering what the biggest cyber threats are in 2025? It can be hard to keep up when cybercrime is constantly evolving and becoming more prevalent, but it is vital that both individuals and businesses are aware of the biggest threats and how they can be stopped. Cybercrime can cause significant damage that can be hard to recover from, so awareness is essential. With this in mind, this article will take a look at a few of the biggest cyber threats in 2025 and how they can be prevented. By the end of this piece, you will know what to look out for and the best ways to protect yourself. 

AI-Powered Cyber Attacks 

In 2025, the biggest threats are AI-powered attacks. AI is being used on both sides of the war, and there are many excellent AI-powered security tools, but criminals are also using the technology to develop sophisticated and automated attacks. AI can be used to automate phishing attacks, develop more convincing social engineering tactics, and evade detection systems. This is why it is important to make use of AI-powered cybersecurity tools and educate yourself on the latest AI threats, such as deepfake videos. 

Ransomware Attacks 

Ransomware attacks have surged in recent times and have become increasingly sophisticated. Attackers are now often using double or even triple extortion tactics, such as encrypting data, threatening to leak it, and attacking third parties. It is important to back up sensitive data to a secure, off-site location to ensure there is always another version available and use endpoint detection and response (EDR) tools to catch ransomware early on. 

Supply Chain Attacks 

Businesses need to think beyond their own defences as supply chain attacks are on the rise. Compromising service providers and software vendors allows criminals to infiltrate numerous organisations with one attack, which is why you need to enforce strict vendor risk management and adopt zero trust principles to restrict lateral movement within networks. 

Cloud Security Risks 

Businesses are increasingly reliant on cloud infrastructure, and it can present many benefits, but there can also be risks. Misconfigurations and vulnerabilities can be exploited, which can put critical data and services at risk. It is smart to use managed detection and response services for 24/7 monitoring from cybersecurity experts, which means threats can be instantly detected and neutralised before damage occurs. Many providers can monitor a range of environments, including cloud infrastructures, endpoints, and identities, allowing for holistic security. 

Internet of Things (IoT) Attacks 

With companies also increasingly reliant on IoT devices, there has been a sharp rise in IoT attacks in recent times. Devices often have weak security, which can create a broad attack surface for criminals to capitalise on. To prevent IoT attacks, businesses should segment IoT devices on separate networks from critical infrastructure and use network monitoring tools to detect unusual behaviour. 

These are the biggest cyber threats to be aware of in 2025. Cybercrime is evolving at a rapid rate, which can make it hard to keep up. By educating yourself on the biggest threats and how to protect yourself, you can develop robust protection and safeguard your business.