Artificial intelligence has become a double-edged sword in the world of cybersecurity. While AI-powered tools help security teams detect and respond to threats faster than ever before, cybercriminals are using exactly the same technology to launch more sophisticated, more targeted, and more convincing attacks.
Understanding how AI is being used on both sides of this digital conflict is essential for protecting yourself and your business in 2026.
How Cybercriminals Are Using AI in 2026
AI-Powered Phishing Attacks
Traditional phishing emails were relatively easy to identify — poor grammar, generic greetings, suspicious-looking email addresses, and implausible scenarios. In 2026, AI generates highly personalised phishing emails that are virtually indistinguishable from genuine communications from banks, employers, or government agencies.
These AI-generated phishing messages can be tailored to each target using publicly available information from LinkedIn, social media, and company websites. They reference real colleagues, real projects, and real events — making them extraordinarily convincing.
The FBI Cybercrime Report 2025 recorded a 340 percent increase in successful phishing attacks since 2024, with AI-generated content identified as the primary contributing factor.
Deepfake Fraud
AI-generated deepfake videos and voice clones are being used to impersonate company executives with alarming realism. In multiple documented cases in both the UK and USA, finance team employees transferred large sums of money after receiving what appeared to be video or voice calls from their chief executive — only to discover the calls were AI-generated fakes.
UK businesses reported collective losses exceeding £340 million from deepfake-related fraud in 2025, according to data from the National Fraud Intelligence Bureau.
Automated Vulnerability Discovery
AI tools can now scan thousands of websites, applications, and network systems for security vulnerabilities in the time it would take a human hacker to examine a single target manually. Once a vulnerability is identified, AI can also generate working exploit code automatically — significantly lowering the technical barrier for cybercriminals.
AI-Enhanced Password Attacks
Modern AI-powered password cracking tools can generate and test billions of password combinations per second, trained on patterns from previous data breaches. This makes weak passwords, reused passwords, and common password patterns more dangerous than ever before.
How AI is Helping Cybersecurity Defenders
Real-Time Threat Detection
Enterprise security platforms including CrowdStrike Falcon, Darktrace, and Microsoft Sentinel use AI to monitor network traffic continuously in real time. These systems can identify unusual patterns that indicate a breach — often before any significant damage occurs — and trigger automated responses instantly.
Automated Incident Response
When a security threat is detected, AI-powered systems can automatically isolate affected devices, block malicious IP addresses, revoke compromised credentials, and alert security teams — reducing response times from hours to seconds. This speed is critical because the damage from a cyberattack typically scales with how long the attacker has access to systems.
Behavioural Analysis
AI security systems learn the normal behaviour patterns of every user and device on a network. When behaviour deviates significantly from the established pattern — such as an employee suddenly accessing files they have never viewed before at three in the morning — the system flags it for review immediately.
Practical Steps to Protect Yourself in 2026
- Use a password manager: Tools like 1Password or Bitwarden generate and securely store a unique, complex password for every account. Never reuse passwords across different services.
- Enable two-factor authentication on everything: Especially email, banking, and social media. Use an authenticator app rather than SMS where possible, as SMS-based two-factor authentication can be bypassed by SIM-swapping attacks.
- Be deeply sceptical of urgent requests: AI-powered phishing and deepfakes are specifically designed to create urgency and bypass critical thinking. Always verify unusual financial requests or sensitive information requests through a separate, independently verified communication channel.
- Keep all software and devices updated: The majority of successful cyberattacks exploit known vulnerabilities in outdated software that has already been patched. Enable automatic updates wherever possible.
- Use a reputable VPN on public Wi-Fi: Public Wi-Fi networks are prime hunting grounds for attackers. A VPN encrypts your traffic and significantly reduces your exposure.
- Train your employees: Human error remains the number one cause of successful cyberattacks. Regular, realistic cybersecurity training for every person in your organisation is one of the most cost-effective investments you can make.
The Outlook for AI and Cybersecurity
The arms race between AI-powered attackers and AI-powered defenders will intensify significantly over the next three to five years. Cybersecurity experts broadly agree that by 2028, AI will be a factor in the large majority of both attacks and defensive responses.
The good news is that AI security tools are becoming accessible to organisations of all sizes, not just large enterprises. Cloud-based AI security platforms now offer robust protection at price points that are within reach for small and medium-sized businesses.
Staying safe requires a combination of good personal habits, the right tools, and ongoing education. The threats are real and growing — but so are the defences available to those who choose to use them.
Frequently Asked Questions
How can I tell if an email is AI-generated phishing?
In 2026, you often cannot tell from the content alone — AI phishing has become too sophisticated. Instead, verify any unusual request through a separate channel, check the sender email address carefully, and be especially suspicious of any message that creates urgency or requests sensitive information or financial transfers.
Are small businesses targeted by AI-powered cyberattacks?
Increasingly yes. Small businesses are often targeted precisely because they typically have weaker security than larger organisations while still holding valuable customer data and financial information. No business is too small to be targeted.
What is the single most important cybersecurity step for individuals?
Using a password manager to create and store unique, strong passwords for every account. This single step eliminates the most common attack vector — compromised or reused passwords — at essentially zero cost.
This article was written and fact-checked by the TechPulse AI editorial team. Last updated May 2026.