CISA: Splunk Enterprise flaw actively exploited, patch by Sunday

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) has urged federal agencies to secure their systems by Sunday against a critical Splunk Enterprise vulnerability that is being exploited in attacks. Tracked as CVE-2026-20253, this security flaw affects Splunk Enterprise (versions 10.2.0 to 10.2.3 and 10.0.0 to 10.0.6) and allows remote attackers without privileges to create or truncate arbitrary […]

CISA warns Fortinet users to secure devices after FortiBleed leak

The U.S. Cybersecurity and Infrastructure Security Agency (CISA) urged Fortinet customers to secure their devices after nearly 74,000 firewall and VPN credentials were exposed in a data leak dubbed “FortiBleed.” This warning comes after threat actors used compromised credentials to target internet-accessible Fortinet devices across government and private-sector organizations worldwide. “CISA is aware of global reports that malicious […]

Gentlemen ransomware uses multiple EDR killers to disable defenses

The Gentlemen ransomware-as-a-service (RaaS) is actively developing and maintaining a suite of endpoint detection and response (EDR) killers to help affiliates evade detection in attacks. The gang employs a collection of EDR-killing tools, most notably a utility that researchers dubbed GentleKiller. The tool has at least eight variants and impersonates various legitimate security products, including Kaspersky, […]

Nintendo confirms data stolen in WebMD subsidiary cyberattack

Nintendo of America has confirmed to BleepingComputer that threat actors stole survey data from the third-party TinyPulse service used internally, but its systems were not compromised. The company’s statement comes after claims from the Shadowbyt3$ “extortion-as-a-service” threat group that they exfiltrated sensitive data related to Nintendo of America employees. “We are aware of an issue […]

USB worm spreads crypto-stealing malware via Windows shortcut files

Threat actors targeting cryptocurrency wallets have been distributing clipboard-stealing malware with self-spreading capabilities and using the Tor network to conceal communication. The campaign has been active since at least February and relies on LNK (shortcut) files on USB drives to push clipper malware that monitors clipboard contents and replaces cryptocurrency wallet addresses with ones controlled by […]

Klue OAuth breach linked to ‘Icarus’ Salesforce data theft attacks

Market intelligence platform Klue suffered a OAuth breach that enabled the “Icarus” threat actors to steal Salesforce CRM data from multiple organizations in an ongoing extortion campaign. Sources told BleepingComputer of the attack yesterday, telling us that numerous organizations had their Salesforce data stolen and were now being extorted by the relatively new extortion group. […]