The persistence of ransomware. Exposure notifications and contact tracing. Doxing and conspiracy theories. More notes on the underworld.

Ransomware not only encrypts and steals data, but establishes persistence as well. Apple and Google roll out their exposure notification API. GCHQ will help secure Britain’s centralized contact tracing system. A conspiracy-minded motive for doxing. Criminal markets and criminal enterprises continue to mimic legitimate ones. And a new wrinkle in mobile ransomware. Rob Lee from Dragos with insights on a recent ransomware incident shutting down a gas pipeline, guest is Drex DeFord from Drexio on Cybersecurity in Healthcare amid COVID-19.

For links to all of today's stories check out our CyberWire daily news brief:

https://thecyberwire.com/issues/issues2020/April/CyberWire_2020_04_30.html

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