MuddyWater targets critical infrastructure in Israel and Egypt, relying on custom malware, improved tactics, and a predictable playbook.

Microsoft is tightening security around its Entra ID sign-in process by blocking external script injection, a move that could force some orgs to rethink their browser extension strategies.

Three out of the five Five Eyes states – Australia, Canada and the US – have issued guidance to help end-user organisations secure their Microsoft Exchange Server instances, stemming in part from an ...

Microsoft has confirmed that Windows updates released since August 29, 2025, are breaking authentication on systems sharing Security Identifiers. Windows uses unique alphanumeric strings known as ...

The MarketWatch News Department was not involved in the creation of this content. Denver, CO, Sept. 15, 2025 (GLOBE NEWSWIRE) -- BrazilNex Crypto Group Limited (www.brnzg.com), a next-generation ...

Security experts have warned of a huge uptick in automated phishing activity abusing the Axios user agent and Microsoft’s Direct Send feature. ReliaQuest claimed in a new report today that it observed ...

The Department of Government Efficiency uploaded a copy of all federal Social Security numbers to a high-risk server in June, according to a complaint by Social Security Administration chief data ...

The SSA says the data is being stored in a "long-standing environment." A whistleblower complaint filed on Tuesday alleges that the Department of Government Efficiency uploaded a copy of all federal ...

DOGE team members uploaded a database with the personal information of hundreds of millions of Americans to a vulnerable cloud server, according to the agency’s chief data officer. By Nicholas Nehamas ...

WASHINGTON, July 20 (Reuters) - Microsoft (MSFT.O), opens new tab has issued an alert about "active attacks" on server software used by government agencies and businesses to share documents within ...