Latest cybersecurity reporting from selected sources.

SANS Institute and Cloud Security Alliance Leaders on the Coming Vulnerability StormIn the latest Proof of Concept, SANS and Cloud Security Alliance leaders join ISMG editors to discuss how the storm clouds of Claude Mythos could upend cyber defenses by compressing time to exploit, and why vulnerability management, risk models and security operations must change.

Misconfigured Customer Network Edge Devices' Under Fire, Warn ResearchersMisconfigured edge devices hosted in the cloud are giving nation-state hackers carte blanche to access Western critical infrastructure, warn threat intelligence experts at Amazon, who tied exploits of AWS customers' device administrator portals to Russia's GRU military intelligence agency.

Attackers Exploit Cloud Credential Exposure and 'Over-Permissioning,' Experts WarnAttackers keep hammering cloud-based identities to help them bypass endpoint and network defenses, logging in using inadvertently exposed credentials - or ones harvested through infostealers - then escalating access thanks to over-permissioned accounts, experts warn.

Chipmaker Confirms Vulnerability, Which Poses Risk to Confidential Cloud ComputingChipmaker Advanced Micro Devices is issuing fixes for a vulnerability in multiple types of processors, dubbed "RMPocalypse," that attackers could exploit to access data being transmitted to, processed or stored in confidential virtual machines provided by cloud service providers.

Ransomware Group Among Attackers Focused on Exploiting Citrix Netscaler FlawSecurity experts warn that attackers have ramped up their collective attempts to find and exploit Citrix NetScaler devices that remain unpatched. Cloud Security Group patched CVE-2025-5777, a flaw also known as "Citrix Bleed 2," nearly four weeks ago with a software update.

Google Cloud's Hultquist on How State Hackers Exploit Code and Corporate HiringJohn Hultquist, chief analyst at Google Threat Intelligence Group, Google Cloud, discussed how China and North Korea are transforming cyberattacks into organized, factory-like operations. Alongside zero-day exploits, North Korean IT operatives are quietly infiltrating Fortune 500 companies under false identities.

Attackers Could Exploit Flaw to Run Malicious Code on Google' s, Customers' ServersGoogle patched a critical remote execution vulnerability in its cloud platform Cloud Composer service, "CloudImposer," which could have allowed attackers to compromise millions of servers, say researchers from Tenable. The CloudImposer vulnerability could lead to the Jenga Tower effect.

Darktrace Warns of Malware Hidden in PDF Stored in DropboxPhishing attacks continue to adapt to exploit popular apps. While many phishing campaigns have focused on mobile banking and payment sites, attackers are also targeting widely used but lower-profile, cloud-based utilities such as the ubiquitous Dropbox storage platform.

Kinsing Threat Actor Observed Targeting Vulnerable Cloud Environments With New FlawThe Cybersecurity and Infrastructure Security Agency is requiring federal agencies to patch Linux devices on their networks and urging private sector organizations to do the same after security researchers observed threat actors exploiting a new vulnerability on many major Linux distributions.