Ill-received pranks. SFO breach. Silicon Valley cooperates on contact tracking. COVID-19 disinformation and scams. Notes on ransomware and booter services.

Vandals prank victims with security researchers’ names. San Francisco International discloses compromised networks. Google and Apple cooperate on contact tracking tech. Chinese disinformation campaigns rely on ad purchases and social media amplification. Phishing attempts and other scams. Notes on ransomware. And police in the Netherlands take down some DDoS-for-hire services. Andrea Little Limbago on government created internet blackouts, guest is Herb Stapleton from the FBI on COVID-19 scams. For links to all of today's stories check our our CyberWire daily news brief: https://thecyberwire.com/issues/issues2020/April/CyberWire_2020_04_13.html