Australian health insurer Medibank has started informing customers that their personal information was potentially compromised during a recent cyberattack.
Microsoft has confirmed that it inadvertently exposed information related to prospective customers, but claims that the company which reported the incident has exaggerated the numbers.
Cybersecurity firm SafeBreach has issued a warning about a new PowerShell backdoor that disguises itself as part of the Windows update process to remain fully undetected.