Latest cybersecurity reporting from selected sources.

Storm-2949 turned stolen credentials into a cloud-wide breach, moving from identity compromise to large-scale data theft without using malware. This incident shows how threat actors can exploit trusted systems to operate undetected. The post How Storm-2949 turned a compromised identity into a cloud-wide breach appeared first on Microsoft Security Blog.

Defense Department Suspends, Reviews Microsoft 'Digital Escorts' ProgramThe Pentagon is reviewing Microsoft's decade-long use of "digital escorts" - U.S.-based staff who review code from Chinese engineers - into military cloud systems, a workaround now deemed a "breach of trust" that may have exposed sensitive but unclassified government data.

Cybersecurity researchers have uncovered a new account takeover (ATO) campaign that leverages an open-source penetration testing framework called TeamFiltration to breach Microsoft Entra ID (formerly Azure Active Directory) user accounts

CISA Advisory Says Threat Actors Stole App Secrets in Azure-Hosted Backup PlatformA suspected Chinese state hacking group linked to last year’s telecom intrusions breached Commvault’s Microsoft Azure environment, exposing sensitive Microsoft 365 credentials and reigniting fears over U.S. cloud infrastructure vulnerabilities and default security settings.

Microsoft has shed light on a previously undocumented cluster of threat activity originating from a Russia-affiliated threat actor dubbed Void Blizzard (aka Laundry Bear) that it said is attributed to "worldwide cloud abuse." Active since at least April 2024, the hacking group is linked to espionage operations mainly targeting organizations that are important to Russian government objectives,

The tech giant is boosting Entra ID and MSA security as part of the wide-ranging Secure Future Initiative (SFI) that the company launched following a Chinese APT's breach of its Exchange Online environment in 2023.

Also, Oracle Denies Cloud Breach, Blames Hack on Obsolete ServersThis week, Port of Seattle notified victims, Oracle blamed hack on obsolete servers, Google and Microsoft released April patches, WK Kellogg breached, six arrested in Spain for AI-investment scam, Scattered Spider's "King Bob" pleaded guilty, SmokeLoader users busted.

Microsoft warns that Chinese cyber-espionage threat group 'Silk Typhoon' has shifted its tactics, now targeting remote management tools and cloud services in supply chain attacks that give them access to downstream customers. [...]

Also: Spanish Hacker Alcasec Arrested AgainThis week, Fluent Bit contains a flaw, Microsoft is nuking VBScript, Irish police and the SEC face fines, a man was sentenced for BEC, a flaw was found in Netflix's Genie, an Australia university said it was breached and Black Basta claimed an attack, and hacker Alcasec was arrested again.

A federal review board demanded that the tech giant prioritize its "inadequate" security posture, putting the blame solely on the company for last year's Microsoft 365 breach that allowed China's Storm-0558 to hack the email accounts of key government officials.

Also: Hackers Target Apple Password Reset FlawThis week, Russian organizations are losing Microsoft Cloud, hackers targeted an Apple flaw, Germany warned of critical flaws in Microsoft Exchange, an info stealer targeted Indian government agencies and the energy sector, and Finland confirmed APT31's role in a 2020 breach of Parliament.

Hackers have been observed trying to breach cloud environments through Microsoft SQL Servers vulnerable to SQL injection. [...]

Microsoft has detailed a new campaign in which attackers unsuccessfully attempted to move laterally to a cloud environment through a SQL Server instance

Chinese hackers stole tens of thousands of emails from U.S. State Department accounts after breaching Microsoft's cloud-based Exchange email platform in May. [...]

China-inked APT actors could have single-hop access to the gamut of Microsoft cloud services and apps, including SharePoint, Teams, and OneDrive, among many others.

Microsoft is expanding access to additional cloud logging data for customers worldwide at no additional cost, allowing easier detection of breached networks and accounts. [...]

Microsoft on Tuesday said it took steps to disable fake Microsoft Partner Network (MPN) accounts that were used for creating malicious OAuth applications as part of a malicious campaign designed to breach organizations' cloud environments and steal email

Microsoft has disabled multiple fraudulent, verified Microsoft Partner Network accounts for creating malicious OAuth applications that breached organizations' cloud environments to steal email. [...]

Alleged teen hacker claims he found an admin password in a network share inside Uber that allowed complete access to ride-sharing giant's AWS, Windows, Google Cloud, VMware, and other environments.

A cloud threat actor group tracked as 8220 has updated its malware toolset to breach Linux servers with the goal of installing crypto miners as part of a long-running campaign