A dimly lit Dutch medical laboratory at night, blue computer screens casting eerie glow on abandoned workstations. In the foreground, a glowing red 'NOVA' ransomware message pulses ominously on a monitor. Through a broken Citrix NetScaler interface window, shadowy digital figures in hoodies are seen stealing floating files labeled 'BSN', 'Medical Records', and 'GDPR'. A large countdown timer displays '72 Hours' in red, nearly expired. In the background, a frustrated IT admin in a lab coat facepalms while a GDPR fine notice materializes from a printer.

Nova's healthcare hack: How a Dutch lab failed half a million patients

In July 2025, the Dutch healthcare sector faced one of its most devastating cybersecurity crises to date. The ransomware group Nova infiltrated Clinical Diagnostics NMDL, a laboratory critical to the Netherlands’ national cervical cancer screening program, exfiltrating 300 GB of sensitive patient data—including names, addresses, citizen service numbers (BSNs), and intimate medical test results 69. The breach, which affected 485,000 women and extended to other medical examinations, exposed systemic vulnerabilities in healthcare IT infrastructure, third-party risk management, and regulatory compliance. ...

August 17, 2025 · 8 min
A set of ornate, antique keys floating in midair, each engraved with lines of computer code, with one key glowing red as it is lifted away by an unseen hand.

The Unpatchables: How Citrix turned into a welcome mat

In July 2025, the Netherlands faced a crisis that unfolded not in public squares but across invisible networks. The Public Prosecution Service, several courts, and parts of the Ministry of Justice were forced to halt operations. Hearings were postponed, case files became inaccessible, and whole sections of the justice system were brought to a standstill. The cause was not ransomware flashing on screens or stolen data dumped online. It was the silent exploitation of Citrix NetScaler — a remote-access system used by thousands of organisations to let staff work securely from anywhere. Think of Citrix as a heavily guarded front door to an office: only authorised people can enter, and it keeps prying eyes out. In theory. In July, that door had both a faulty lock and an absent guard. ...

August 12, 2025 · 5 min