Latest cybersecurity reporting from selected sources.

Nissan is warning that it suffered a data breach affecting current and former employees after threat actors exploited an Oracle PeopleSoft vulnerability in data theft attacks previously linked to the ShinyHunters extortion group. [...]

A pro-Ukrainian hacktivist group called PhantomCore has been attributed to attacks actively targeting servers running TrueConf video conferencing software in Russia since September 2025

The Trivy vulnerability scanner was compromised in a supply-chain attack by threat actors known as TeamPCP, which distributed credential-stealing malware through official releases and GitHub Actions. [...]

Cybersecurity researchers are calling attention to a new campaign where threat actors are abusing FortiGate Next-Generation Firewall (NGFW) appliances as entry points to breach victim networks.  The activity involves the exploitation of recently disclosed security vulnerabilities or weak credentials to extract configuration files containing service account credentials and network topology

Threat actors with ties to China exploited the ToolShell security vulnerability in Microsoft SharePoint to breach a telecommunications company in the Middle East after it was publicly disclosed and patched in July 2025

U.S. cybersecurity company F5 on Wednesday disclosed that unidentified threat actors broke into its systems and stole files containing some of BIG-IP's source code and information related to undisclosed vulnerabilities in the product

Threat actors have been observed exploiting a now-patched critical SAP NetWeaver flaw to deliver the Auto-Color backdoor in an attack targeting a U.S.-based chemicals company in April 2025

Unknown threat actors have breached the National Nuclear Security Administration's network in attacks exploiting a recently patched Microsoft SharePoint zero-day vulnerability chain. [...]

Unknown threat actors have reportedly breached the National Nuclear Security Administration's (NNSA) network in attacks exploiting a recently patched Microsoft SharePoint zero-day vulnerability chain. [...]

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.

Threat actors have been observed exploiting two newly disclosed critical security flaws in Craft CMS in zero-day attacks to breach servers and gain unauthorized access

Cybersecurity researchers have flagged a new malicious campaign related to the North Korean state-sponsored threat actor known as Kimsuky that exploits a now-patched vulnerability impacting Microsoft Remote Desktop Services to gain initial access

Fortinet has revealed that threat actors have found a way to maintain read-only access to vulnerable FortiGate devices even after the initial access vector used to breach the devices was patched

Cloud hosting provider Rackspace suffered a data breach exposing "limited" customer monitoring data after threat actors exploited a zero-day vulnerability in a third-party tool used by the ScienceLogic SL1 platform. [...]

Threat Actor Exploited Ivanti Zero-Day Vulnerabilities in CyberattackA nation-state threat actor gained access into an unclassified research and development network operated by MITRE, a non-profit that oversees key federal funded research and development centers for the U.S. government, the organization confirmed on Friday.

Data belonging to more than 1.3 million customers of the PandaBuy online shopping platform has been leaked, allegedly after two threat actors exploited multiple vulnerabilities to breach systems. [...]

A financially motivated threat actor called Magnet Goblin is swiftly adopting one-day security vulnerabilities into its arsenal in order to opportunistically breach edge devices and public-facing services and deploy malware on compromised hosts

Threat actors operating with interests aligned to Belarus and Russia have been linked to a new cyber espionage campaign that likely exploited cross-site scripting (XSS) vulnerabilities in Roundcube webmail servers to target over 80 organizations

Poorly secured Linux SSH servers are being targeted by bad actors to install port scanners and dictionary attack tools with the goal of targeting other vulnerable servers and co-opting them into a network to carry out cryptocurrency mining and distributed denial-of-service (DDoS) attacks

Also: Top Threat Actors Are Targeting Hospitals; Remembering Steve KatzIn the latest weekly update, editors at ISMG discuss the rampant rise in healthcare sector attacks and breaches in 2023, the most common vulnerabilities and targets, and remember the life of the Steve Katz, the world's first CISO who inspired generations of security leaders.