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How Can Generative AI Be Used in Cyber Security?

By DeVry University

December 12, 2025

5 min read

Generative AI is a type of artificial intelligence that uses existing data to create new outputs. It can be used in cyber security to analyze threats, identify unusual activity, and generate automated responses, allowing IT teams to act quickly before small issues turn into major security breaches. 

 

As cyber threats become more frequent and complex, organizations are turning to generative AI to strengthen their defense strategies. Discover how generative AI can be used in cyber security — and how it's creating new career opportunities for IT professionals who understand how to use it.

 

What is generative AI in cyber security?

In cyber security, generative AI refers to artificial intelligence systems that create new data, patterns, or simulations to improve cyber defenses. These systems help companies anticipate threats, automate incident response, and improve detection. 

Examples of generative AI in cyber security include:

  • Anomaly detection

  • Automated incident response

  • Predictive modeling

  • Threat simulation

By simulating zero-day attack scenarios with generative AI, cyber security teams can test defenses and identify weaknesses before hackers discover them. GenAI can also create phishing simulations to help organizations train employees on how to recognize and avoid phishing threats, strengthening overall organizational security.

 

Why generative AI matters for modern threat protection

Generative AI is an essential tool for advanced threat protection, helping tech teams work faster and more accurately than relying solely on traditional cyber security monitoring tools. Rather than waiting for a known threat to appear, AI can detect unusual patterns and flag potential risks in real time, before they escalate to a serious threat.

And when it comes to cyber threats, speed and scale matter. Cyber attacks like phishing scams, ransomware attempts, or data breaches can escalate in minutes, so early detection makes all the difference between a contained incident and a major disruption. Many companies have implemented AI-driven monitoring to catch suspicious network behavior and prevent intrusions before hackers gain access to valuable data.

According to the Cost of a Data Breach Report 2025, the average cost of a data breach is $4.4 million. That’s a 9% decrease over 2024, thanks to AI’s ability to quickly identify and contain security issues. This improvement highlights how AI-driven monitoring and automated alerts play a significant role in strengthening cyber security.

Top use cases of generative AI in cyber security

The top use cases of generative AI in cyber security all come down to one thing: helping security teams stay one step ahead of emerging threats. From faster detection, smarter automated responses, stronger defenses, and tighter network security management, AI tools are giving cyber security teams the edge they need.

Threat detection and anomaly spotting

AI threat detection enhances security by learning what normal network activity looks like and then flagging anything that falls outside that baseline behavior. Unusual log-in attempts, an unexpected spike in traffic, or other suspicious behaviors can trigger AI alerts that traditional security monitoring tools might miss. Spotting these anomalies early allows cyber security teams to respond before a potential incident turns into a serious breach. 

Automated incident response

When a cyber threat occurs, every second counts. Automated incident response uses AI-driven scripts to trigger alerts and block suspicious activity instead of waiting for a human to review it. This rapid response is key to containing threats like unauthorized access or malware before they spread, giving security teams time to apply human judgement and minimize potential damage. 

Cyber threat hunting

By proactively scanning for hidden or emerging threats, AI helps security teams stop issues before they become major problems. Artificial intelligence tools can detect unusual patterns, predict potential risks, and give you the insights you need to act quickly. Building skills in security operations center (SOC) analysis and other cyber security tools, like intrusion detection systems, allows you to gain experience in real-world cyber security scenarios. 

Data breach prevention and prediction

AI can analyze your network and systems to spot weaknesses before they’re exploited. By forecasting potential risk, you can prioritize the most critical security gaps before cyber criminals can strike. The Federal Trade Commission emphasizes the importance of preparing a data breach response plan and identifying vulnerabilities early. Leveraging AI to support these practices can prevent incidents before they happen. 

What is the role of AI in network security management?

Network security management hinges on constant vigilance, so using generative AI to manage vast network data flows can be beneficial to spotting unusual activity. AI algorithms use machine learning and behavioral analytics to detect anomalies, classify threats, and connect the dots between seemingly unrelated events. By integrating AI in network management, you can maintain safer, more efficient networks while staying one step ahead of potential threats.

Limitations and risks: Why humans still matter

While generative AI is a powerful ally for cyber security, it still has limitations and risks such as bias, false positives, and hallucinations — incorrect outputs that can occur in response to adversarial inputs. Emerging generative AI risks such as deepfake phishing emails and synthetic malware can be difficult to detect without human oversight. Cyber security professionals help bridge this gap by understanding both the strengths and limitations of generative AI and applying human judgment to ensure strategies are both ethical and effective.   

  AI Human oversight
Strengths

Accuracy, ability to handle large amounts of data,
fast analysis, pattern recognition
Ethical insights, contextual understanding,
accountability, creativity/empathy
Limitations and risks

Bias, hallucinations, false positives,
adversarial input
Slower processing, human error,
gaps in judgment

 

Career pathways: Building skills for AI-driven cyber security

As generative AI plays a more prominent role in cyber security, organizations need IT professionals who can combine traditional cyber skills with AI expertise to fill roles like AI threat intelligence analyst, security engineer, and AI incident responder. You can prepare for the future of AI in cyber security by learning both the latest AI tools and the fundamentals of the field. 

Developing a strong foundation in IT principles — such as information system security, programming, and data privacy can help you learn the fundamentals needed for nearly any tech career. And when you gain specialized skills like ethical hacking, incident response, and cyber security architecture, you’ll learn to detect anomalies, respond to threats, and strengthen cyber defenses, which are vital to the field.

How to prepare for the future of cyber security

As generative AI reshapes the cyber security landscape, you need an education to help you keep pace with AI, emerging threats, and industry trends. Our tech-focused, career-aligned degrees are designed to prepare you for that by combining foundational IT knowledge with hands-on experience in modern cyber security technologies.

Take the next step in your cyber security career

Whether you’re just starting out or advancing your career, learn how we can prepare you to thrive in today’s AI-driven cyber security workforce. 

Frequently asked questions 

What are examples of generative AI in cyber security?

Examples of generative AI in cyber security include:

•  Automating incident response playbooks
•  Creating synthetic attack scenarios for training
•  Generating alerts from anomaly detection
•  Simulating malware for defense testing

Will AI replace cyber security jobs?

No, AI is unlikely to replace all cyber security jobs. AI enhances cyber defense and is reshaping some tech roles, but it can’t replace human expertise. Professionals are still needed for strategy, oversight, and ethical AI decision-making.

How is generative AI used in threat detection?

Generative AI is used in threat detection by identifying unusual patterns in network traffic or user behavior, generating predictive models of emerging threats, and helping detect attacks faster than traditional tools.

What skills do I need for AI-driven cyber security?

The skills you need for AI-driven cyber security include knowledge of SIEM tools, threat analysis, and core cyber practices combined with data literacy, scripting/coding, and an understanding of AI monitoring systems. You can learn the fundamentals of cyber security along with emerging AI tools and strategies right here at DeVry.

Is generative AI safe for sensitive data?

Generative AI can be safe for sensitive data if implemented responsibly with strong governance, encryption, and ethical safeguards. Risks like bias, data leakage, or misuse highlight the need for human oversight. 

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