As a recap, Chegg discovered on September 19th a data breach dating back to April that "an unauthorized party" accessed a data base with access to "a Chegg user’s name, email address, shipping address, Chegg username, and hashed Chegg password" but no financial information or social security numbers. The company has not disclosed, or is unsure of, how many of the 40 million users had their personal information stolen.

A file containing personal information of 14.8 million Texas residents was discovered on an unsecured server. It is not clear who owns the server, but the data was likely compiled by Data Trust, a firm created by the GOP.

This means that users aren't always informed about a breach of data. That's the prerogative of the Data Protection Authority, and not mandatory, in the interest of the user.

Personal data breach here includes "accidental disclosure" as well.

The Justice Department has announced charges against four people, including two Russian security officials, over cybercrimes linked to a massive hack of millions of Yahoo user accounts. [500M accounts, in 2014]

Two of the defendants — Dmitry Dokuchaev and his superior Igor Sushchin — are officers of the Russian Federal Security Service, or FSB. According to court documents, they "protected, directed, facilitated and paid" two criminal hackers, Alexsey Belan and Karim Baratov, to access information that has intelligence value. Belan also allegedly used the information obtained for his personal financial gain.

A company that sells internet-connected teddy bears that allow kids and their far-away parents to exchange heartfelt messages left more than 800,000 customer credentials, as well as two million message recordings, totally exposed online for anyone to see and listen.

Thousands of poorly secured MongoDB databases have been deleted by attackers recently. The attackers offer to restore the data in exchange for a ransom -- but they may not actually have a copy.

A large database of blood donors' personal information from the AU Red Cross was posted on a web server with directory browsing enabled, and discovered by someone scanning randomly. It is unknown whether anyone else downloaded the file before it was removed.