A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

Oracle Corp. has told customers that a hacker broke into a computer system and stole old client log-in credentials, according to two people familiar with the matter. It’s the second cybersecurity ...

Here’s a look at how an MCC hack unfolds, what attackers change once inside, and how teams can recover access and clean up ...

Jones Day, a leading U.S. law firm, said on Monday that it suffered a data breach after hackers posted client materials online.

D.A. Davidson clients in Butte are affected by an incident in which a hacker entered a company database containing private information and Social Security numbers, a company spokeswoman said Thursday.