Latest cybersecurity reporting from selected sources.

A great many readers this month reported receiving alerts that their Social Security Number, name, address and other personal information were exposed in a breach at a little-known but aptly-named consumer data broker called NationalPublicData.com. This post examines what we know about a breach that has exposed hundreds of millions of consumer records. We'll also take a closer look at the data broker that got hacked -- a background check company founded by an actor and retired sheriff's deputy from Florida.

[This is Part III in a series on research conducted for a recent Hulu documentary on the 2015 hack of marital infidelity website AshleyMadison.com.] In 2019, a Canadian company called Defiant Tech Inc. pleaded guilty to running LeakedSource[.]com, a service that sold access to billions of passwords and other data exposed in countless data breaches. KrebsOnSecurity has learned that the owner of Defiant Tech, a 32-year-old Ontario man named Jordan Evan Bloom, was hired in late 2014 as a developer for the marital infidelity site AshleyMadison.com. Bloom resigned from AshleyMadison citing health reasons in June 2015 -- less than one month before unidentified hackers stole data on 37 million users -- and launched LeakedSource three months later.