Latest cybersecurity reporting from selected sources.

Mitigation: SSO Access Restricted After Attackers Compromised Fully Patched DevicesNetwork security giant Fortinet locked out cloud customers from its single sign-on service until they update device firmware with a patch against active attacks exploiting an improper access control zero day. Only Fortinet devices running the latest, patched firmware versions can use Fortinet SSO.

Vendor Ships Emergency Fixes, Warning Flaw Facilitates Full System CompromiseAttackers are targeting a zero-day vulnerability in Cisco's Unified Communications and Webex products that facilitates remote code execution and root-level access to the underlying operating system, risking full system compromise. Cisco has released patches, warning that no workarounds exist.

Full Scope of Clop Ransomware Group's Oracle E-Business Suite Hits Still EmergingThe University of Phoenix is notifying 3.5 million individuals that their personal information was compromised in a data breach. The theft traces to the Clop ransomware group's supply-chain campaign against users of Oracle E-Business Suite, in which it wield two zero-day vulnerabilities.

Data-Grabbing Attacks Appear to Compromise Organizations Without July Patch UpdateOracle has confirmed reports that its customers are being targeted by data-stealing extortionists. Experts said attackers appear to be exploiting E-Business Suite customers who haven't yet installed patches released by Oracle in July to fix critical, remotely exploitable vulnerabilities.

145 Organizations Compromised by China-Linked Ransomware Hackers and OthersNearly 150 different organizations' on-premises SharePoint servers have been exploited by attackers targeting the zero-day vulnerabilities now tracked as ToolShell, researchers warn. Early attacks have been attributed to China-linked groups, in some cases leading to Warlock ransomware infections.

Cierant Corp. Says Cleo MFT Zero-Day Exploit Compromised Health Plan Client DataA Connecticut-based firm that provides print and electronic document management services to health plans has reported to regulators that an exploit of a vulnerability in file transfer software from third-party vendor Cleo has resulted in a health data compromise affecting nearly 233,000 people.

Hackers Reportedly Exploited Barracuda ESG Zero-DayThe Belgian government opened a federal probe into a suspected Chinese espionage campaign targeting the country's civilian intelligence service. The attack on the Belgian government aligns with the broader Chinese strategy of compromising edge devices for stealth espionage campaigns.

APT28 Used Microsoft Outlook Zero-Day, Governments SaidThe German and Czech governments on Friday disclosed that Russian military intelligence hackers targeted political parties and critical infrastructure as part of an espionage campaign that began last year. "The EU will not tolerate such malicious behavior," the European Union said in a statement.