At 6:32 a.m., a hospital in Belgium pulled the plug on its own servers. Something was already inside the network, and no one could say how far it had spread. By mid-morning, scheduled procedures were canceled. Critical patients were transferred out with help from the Red Cross. Staff went back to paper. Emergency services ran at reduced The post When Hospitals Go Dark and Browsers Turn Rogue appeared first on ColorTokens.

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Recent cyberattacks across healthcare, finance, and infrastructure reveal a consistent pattern: attackers gain initial access and move laterally through networks for weeks or months before detection. Healthcare breaches at AllerVie, Artemis, and Central Maine lasted 1-8 weeks, exposing patient records. A browser extension campaign infected 8.8 million users across Chrome, Edge, and Firefox. Financial services faced disruptions in France and vendor-related breaches in the US. The RondoDox botnet exploited IoT devices for persistent access. The primary risk is lateral movement in flat networks, which microsegmentation and network containment strategies can effectively limit.

When Hospitals Go Dark and Browsers Turn Rogue

Healthcare Attacks Are Lingering Longer Than You Think

Email and Browsers Are Quietly Helping Attackers In

Finance and Vendors Are Expanding the Blast Radius

IoT and OT Attacks Are Built for Persistence

What Actually Helps Contain These Attacks

The Pattern Is Clear Even If the Attacks Differ