An Unprecedented AI-Driven Attack

The Dutch Institute for Vulnerability Disclosure (DIVD), a well-known nonprofit organization consisting of volunteer security researchers, has disclosed that it recently suffered a network intrusion. DIVD is widely recognized for scanning the internet to locate systems affected by known vulnerabilities, subsequently notifying system owners and providing guidance on risk mitigation.

Late last week, the organization announced that it had been hacked for the first time after seven years of uneventful operations. According to the investigation, the attack was carried out autonomously by an AI agent, marking a novel threat vector for the team as detailed further in reports on DIVD explained.

Loud, Messy, and Autonomous Execution

The organization characterized the cyberattack as "loud and very, very messy," noting that it left behind an abundance of forensic evidence that allowed researchers to reconstruct the incident. Further operational insights were provided by the team through official statements on DIVD said.

Rather than following a traditional human-led hacking methodology, the agent operated at high speed, determining its next steps independently after every action based on sloppy logic and rigid patterns. Because the threat actor over-explained its decisions in comments and occasionally engaged in contradictory tasks—such as interfering with its own adversary-in-the-middle attack via password spraying—researchers believe the agent was poorly trained and improperly configured for such malicious operations.

Exploitation and Response Efforts

During the initial phase of the breach, the threat actor exploited an undisclosed technical vulnerability in a system. DIVD explicitly clarified that the impacted system was not Citrix NetScaler. Following this entry point, the automated AI agent conducted various post-exploitation activities entirely on its own within the network environment.

In response to the security incident, DIVD immediately launched an internal investigation and reported the breach to local authorities, including the police, the Autoriteit Persoonsgegevens data protection authority, and the National Cyber Security Center (NCSC). While the exact purpose of the attack and its ultimate impact remain unclear, the group has promised to release a comprehensive technical update.

Ongoing Investigations and Next Steps

While withholding full technical details to protect the ongoing investigation and prevent exposing other potential victims, DIVD continues to reverse-engineer the automated agent's behavior. The organization has committed to providing a much more detailed update regarding the exploit and the nature of the intrusion.

As security teams worldwide adapt to emerging machine-speed threats, organizations are increasingly examining how automated agentic workflows change enterprise risk management. Security leaders seeking to prepare for these evolving challenges can review frameworks designed to Build your security blueprint for AI-powered attacks.

Sources

• BleepingComputerAutomated AI agent used to breach cybersecurity nonprofit DIVD