The burger chain, which reported $19.2 billion revenue last year, becomes the latest fast food vendor to have customer data stolen by hackers.

The suspect allegedly made some $10,500 from ransomware attacks.

Three groups targeted seven prominent companies in Canada, France, India, South Korea and the United States, Microsoft said.

ESET is hoping publicizing the malware will shake loose clues in their hunt for the enigmatic hackers.

APT37 is back, according to research from a South Korean security company.

The Financial Security Institute said Friday that many of the phishing emails included malicious Microsoft Excel documents.