Latest cybersecurity reporting from selected sources.

Researchers Trace Linux and Windows Toolsets to Suspected PRC Espionage ActivityNewly discovered malware tied to China-linked actors breached telecom providers across Asia and the Middle East, highlighting growing efforts to gain persistent access into interconnected communications infrastructure.

Threat Actor Shifts From Targeting Exchange to DatabasesA Chinese cyberespionage threat actor with a history of hacking Microsoft Exchange to spy on geopolitical events including summits in Africa, the Middle East and Asia, has shifted its attention to targeting databases, say researchers.

Over 400 Organizations Breached Via Ongoing ToolShell Attacks, Researchers WarnThe U.S. government agency that maintains and designs America's nuclear weapons was reportedly breached by attackers exploiting zero-day flaws in on-premises Microsoft SharePoint servers, with researchers now counting over 400 victims, including European and Middle Eastern governments.

Check Point: 'Stealth Falcon' Exploited WebDAV FlawMicrosoft on Tuesday patched a zero-day vulnerability in WebDAV that was exploited by UAE-linked threat actors as part of an espionage campaign in the Middle East and Africa. Check Point attributed the campaign to the Emirates APT group Stealth Falcon.

Also: Turla Targets European Missions and Google Patches Chrome Zero-DaysThis week, hackers used a Linus backdoor and a Microsoft client management tool; Santander Bank, the Helsinki Education Division, an Australian energy provider and auction house Christie's were breached; hackers targeted European missions in the Middle East; and Google patched a zero-day flaw.

Tehran-Aligned Group Mint Sandstorm Uses Israel-Hamas Conflict as a LureHackers aligned with the Iranian state are masquerading as journalists to target Middle East experts and deploy a new custom backdoor that supports the Iranian government's spying agenda. Tehran may be harvesting perspectives on the Israel-Hamas conflict, according to Microsoft.