A data breach that hit British software firm Sage Group came from inside. The company discovered that a 32 year old company employee had hacked into its system, not external hackers. London Police arrested the female employee at the airport on suspicion of conspiracy to defraud.

User data stolen from the Web site Last.fm back in 2012 has been dumped on the data breach indexing Web site LeakedSource. The data includes 43,570,999 user records. Following the breach in 2012, London-based Last.fm instructed users to change their passwords.

Yahoo has settled a class action suit that accused the company of reading through emails sent to Yahoo users without consent to deliver targeted ads. The non-Yahoo Mail users claimed that Yahoo violated federal and California state laws by sharing the data with third-party advertisers and were seeking an injunction to force Yahoo to stop. The company agreed not to intercept and analyze emails in transit for advertising purposes for the next three years. The company is still allowed to mine the data once it reaches the users' inboxes.

Guccifer, the Romanian hacker that broke into the email accounts of celebrities and politicians and exposed Hillary Clinton's use of a private email server, has been sentenced to 52 months in prison. Marcel Lehel Lazar committed the crimes in Romania but was extradited to the US after being caught breaking into more than 100 email accounts of high profile Americans.

In 2012, Dropbox told users to change their passwords after a data breach. The company never revealed just how big of an exposure it suffered at the time. The details have finally come out revealing that up to 68 million accounts were affected. Email addresses and "hashed and salted passwords" were stolen.

Leoni AG, one of the world's largest manufacturers of wires and electrical cables, was hit with a CEO email scam that caused them to lose almost $44.6 million. The scammers sent emails made to look like official payment requests and the company's employees sent the funds to what they thought were legitimate partner accounts.

Entertainment industry PR firm PMK-BNC had an email server outage that kept employees from sending and receiving emails on Wednesday. "I need the industry to know there has been a global server problem," the company's CEO Cindi Berger told Variety. "It's been an epic headache for our publicists and not a pretty picture. The global operations manager, based in Omaha, has been trying to fix this. I have been assured that emails will be up within the next couple of hours."

Hillary Clinton used her private email server to send a message to staffers and members of diplomatic corps about a nuclear energy-related deal with the United Arab Emirates, a few months after she left the State Department. The email was one of more than 800 pages of emails that were made public last week in respond to the Republican National Committee's Freedom of Information Act request.