Latest cybersecurity reporting from selected sources.

Also, Arch Linux Attack, Estonia Quarantines Russian Emails, Joomla FlawThis week, ShinyHunters leaked alleged Madison Square Garden data, a U.S. senator pressed CISA on regional staffing cuts, an Arch Linux supply-chain attack, Mackay Sugar began recovery from a ransomware attack, Novo Nordisk faced dueling breach claims - and more compelling cybersecurity news.

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.

Also, YellowKey Gets CVE, 7-Eleven Breach, Linux Maintainers Warn on AI Bug SpamThis week, more incidents than we can list here. Among them: cloned Shai-Hulud malware, a new maximum CVSS Cisco flaw. Edge to stop loading passwords in plaintext. Tycoon 2FA offers a way around Microsoft multifactor. Convenience, taquitos and data breach: The 7-Eleven story. A MENA crackdown.

28,000 Customers, Including Banks and US Government Agencies, Appear to Be AffectedCommercial Linux distribution producer Red Hat has issued a security alert warning that attackers stole customer data from its consulting arm's GitLab instance. The hacking group, Crimson Collective, claims to have stolen one terabyte of data pertaining to 28,000 customers.

Also: Hacker Sells Data Obtained Through Snowflake AttackThis week, Microsoft deprecated NTLM authentication, a hacker put apparently stolen Snowflake data up for sale, Ticketmaster confirmed its breach, Cisco patched Webex vulnerabilities, pro-Russian hacktivists claimed a DDoS attack in Spain and Kaspersky launched a free virus removal tool for Linux.

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.

Also: Implications of a Critical Linux Utility Backdoor; Focus on Cloud SecurityIn the latest weekly update, ISMG editors discussed key insights on OT security from the Cyber Security for Critical Assets Summit in Houston, the implications of a critical Linux utility found to have a backdoor, and a CISO's perspective on comprehensive cloud security strategy.

Also: A Widespread Linux Bootloader VulnerabilityThis week, the U.S. banned AI robocalls, researchers discovered a Linux bootloader flaw, France investigated health sector hackings, the feds offered money for Hive information, Verizon disclosed an insider breach, Germany opened a cybersecurity center, and cyberattack victims reported high costs.