Offensive AI: The Cutting Edge of Cyber Warfare and Defense

In 1971, ARPANET—the precursor to the modern Internet—saw the emergence of a troubling phenomenon: a message reading "I'm the Creeper: catch me if you can." This message was the output of a program named Creeper, created by programmer Bob Thomas at BBN Technologies. Though Thomas’s intentions were not malicious, Creeper marked the inception of what we now recognize as a computer virus.

The appearance of Creeper set the stage for the development of the first antivirus software. It is believed that Ray Tomlinson, known for inventing email, created Reaper—a program designed to remove Creeper from infected machines. This defensive response highlighted an early recognition of cyber threats and the need for robust cybersecurity measures.

The evolution of cybersecurity is akin to the progression of warfare from sticks and stones to modern-day technology. The rudimentary Creeper virus was a precursor to more complex cyber threats, leading to the creation of antivirus solutions like Reaper. As cyberattacks grew more sophisticated, so did the defensive measures. The digital battlefield evolved with firewalls, load balancers, and Intrusion Detection and Prevention Systems (IDPS) replacing traditional defenses.

However, the journey does not end there. Enter Offensive AI—the latest and most formidable cyber weapon. In 2023, Foster Nethercott published a whitepaper at SANS Technology Institute on how threat actors could exploit ChatGPT to create novel malware capable of evading traditional security controls. Other research has explored the use of generative AI to develop advanced worms and polymorphic malware.

The paradoxical solution to these evolving threats lies in the advancement of Offensive AI. As Plato’s adage goes, "Necessity is the mother of invention." Today’s cybersecurity landscape demands the development of sophisticated offensive AI tools to combat emerging threats. Understanding and defending against these threats requires a deep knowledge of the offensive capabilities driving them.

The reality is that bad actors are already using offensive AI to innovate and deploy new threats. Refusing to acknowledge this would be naive. Therefore, the future of cybersecurity depends on the continued research and development of Offensive AI.

To delve deeper into Offensive AI and gain practical experience, consider attending my upcoming workshop at SANS Network Security 2024: Offensive AI for Social Engineering and Deep Fake Development on September 7th in Las Vegas. This workshop will introduce you to my new course, SEC535: Offensive AI - Attack Tools and Techniques, launching in early 2025. It’s also a great chance to connect with experts in AI and explore its role in shaping the future of cybersecurity. For event details and a complete list of activities, visit [event link].

Note: This article is expertly written by Foster Nethercott, a U.S. Marine Corps and Afghanistan veteran with nearly a decade of experience in cybersecurity. Foster owns the security consulting firm Fortisec and is an author for SANS Technology Institute, currently developing the new course SEC535: Offensive Artificial Intelligence.

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