309 million Facebook users’ phone numbers (and more) found online

First, 267m records were exposed & sold for 0.0002 cents each on the Dark Web. It was taken down but got reposted with yet more records.

Researchers speed the death of ‘bad’ data in the race against good

They have a way to inject ‘good’ data – i.e., accurate COVID-19 news or security patches – to outpace the spread of fake news or malware.

Hijacked Twitter accounts used to advertise face masks

The accounts were used to advertise a site selling products made scarce by COVID-19: face masks, forehead thermometers and toilet paper.

Facebook Messenger may ban mass-forwarding of messages

Facebook has done this before: it did it with WhatsApp, following an outbreak of lynchings sparked by viral social media hoaxes.