Digital transformation

Top 7 Cybersecurity Trends in 2026

Phan Van Hoa October 30, 2025 08:16

As we move into 2026, cybersecurity threats are predicted to be more sophisticated and unpredictable than ever. From AI attacks to digital fraud, here are seven prominent trends that everyone should prepare for to protect themselves.

As we enter 2026, the world of cybersecurity is facing a major turning point. After a turbulent 2025 with a series of attacks increasing in both frequency and scale, experts warn that the threats in the coming year will not be "easy".

The emergence of emerging technologies such as AI agents and quantum computers is opening up unprecedented opportunities but also creating dangerous weapons in the hands of cybercriminals.

Ảnh minh họa.
Illustration photo.

Experts estimate that if cybercrime were a country, this “shadow economy” would be the third largest in the world by 2026, behind only the US and China, with global losses possibly exceeding $20 trillion. In this context, understanding emerging trends and preparing to deal with them is paramount.

1. AI Agents: A New Frontier in the War of Offense and Defense

AI agents are becoming the new front line in the world of cybercrime. With the ability to operate autonomously, analyze and interact with complex systems, they can help attackers penetrate, scan for weaknesses and deploy social engineering attacks with unprecedented sophistication.

On the flip side, this technology also opens up opportunities for proactive defense, as businesses can use AI to automatically detect, respond to, and neutralize attacks in real time. 2026 is predicted to witness an AI arms race between criminals and security forces, where artificial intelligence becomes both a weapon and a shield.

2. Deepfake and synthetic attacks

The rise of deepfake – a technology that creates fake images, sounds and videos – is blurring the lines between real and fake. In many cases, employees have been tricked into transferring millions of dollars just because they received a “call” from their superiors, which was actually a product of AI. As deepfake technology becomes more realistic, identifying the truth will become a big challenge, especially in the corporate and financial environment.

3. Ransomware Evolution: When Criminals Don't Need to Be Tech-savvy

Ransomware campaigns remain the biggest threat to businesses. The “ransomware-as-a-service” model allows anyone to rent the tool and launch an attack, removing the technical barrier.

With the help of deepfakes and anonymous cryptocurrencies, extortion, money laundering, and hiding your tracks are easier than ever. In 2026, ransomware is expected to become more sophisticated, targeting strategic data and critical infrastructure.

4. People - the weakest link that needs to be strengthened

People are the biggest weak point in cybersecurity, not firewalls or encryption systems. Criminals often choose to exploit psychology or trick people to gain login credentials rather than directly attack the system.

To cope, organizations will have to increase security awareness training, organize social attack simulations and build a security culture across the entire enterprise. People are still the “first line of defense” and can also be the “last line of defense”.

5. Quantum Security - Race Before You Get Overtaken

When quantum computers reach processing power far beyond current limits, entire current encryption systems could be broken in seconds. That puts data stored today at risk of being decrypted in the near future.

Cybercriminals have already begun collecting data “in reserve,” waiting for the day when quantum technology is powerful enough to exploit it. In 2026, the focus of cybersecurity will shift to “post-quantum encryption,” a global effort to protect data before it is too late.

6. Tightened regulations and laws

Governments are racing to keep up with the pace of cybercrime. New regulations such as the SEC’s data breach disclosure policy and the European Union’s NIS2 directive require businesses to report, recover from, and take responsibility for incidents.

However, the law is still chasing criminals, not getting ahead. The biggest challenge in 2026 is ensuring businesses comply with regulations without slowing down technological innovation.

7. Cyberwarfare - When digital security becomes national security

The war in Ukraine has demonstrated that cyberattacks are part of modern warfare. By 2026, attack campaigns could target energy systems, healthcare, communications, and global supply chains, accompanied by disinformation campaigns powered by deepfakes.

Nations will increase cyber defense spending, cooperate in international digital security alliances, and invest heavily in defensive AI. This war is not just about data, but also about trust, sovereignty, and global stability.

In short, the cybersecurity landscape in 2026 is a mix of risk and opportunity. Organizations that proactively invest in quantum security technology, AI defense systems, and human training will be the ones to weather the coming storm.

In a world where cybercriminals are increasingly clever and bold, waiting is no longer a safe option. Acting early is key to protecting our businesses and our digital future./.

Phan Van Hoa